kinda easy math problems

Kinda Easy Math Problems

Answers

Answer 1

1. {1, 2, 3, 4, 5, 6}
2. {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}

3. {B1, B2, B3, R1, R2, R3, R4, R5, R6, R7, R8, G1, G2, G3, G4, Y1, Y2, Y3, Y4, Y5, Y6, Y7}
B for blue, R for red, G for green, Y for yellow.
4. {TT, TH, HT, HH}
T for tails and H for heads


Explanation:
sample space is all possible outcomes

Answer 2

1. ((--1, 2, 3, 4, 5, 6--))

2. ((--1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15--))

3. ((--B1, B2, B3, R1, R2, R3, R4, R5, R6, R7, R8, G1, G2, G3, G4, Y1, Y2, Y3, Y4, Y5, Y6, Y7--))

B for blue, R for red, G for green, Y for yellow.

4. ((--Tail tail, Tail Heads, heads tails, heads heads--))


Related Questions

Help with number 17 please

Answers

Answer:

B

Step-by-step explanation:

/ is positive

| neutral or something

\ is negative

- is also neutral

Answer:

B

Step-by-step explanation:

Look at the arrow, if the arrow is pointed downwards (like a roller coaster) its negative

Positive: diagonally up (roller coaster building up)

Negative: diagonally down (roller coaster drop)

Zero: straight

Unidentified: Horitzonal

Please look at the picture and answer it. Thank you.

Answers

Answer: 140

Step-by-step explanation:

As you can see the angles are identical which means both sides are 140!

The perimeter of the rectangle is 98 inches The ratio of the length to the width is 4:3. What is the length and the width of the rectangle

Answers

Given :

The Perimeter of the rectangle is 98 inchesThe ratio of the length to the width is 4:3.

To Find :

The Length and width of the rectangle .

Solution :

We know that,

[tex]\qquad{ \bold{ \pmb{2(Length + Breadth ) = Perimeter_{(rectangle)}}}}[/tex]

Let's assume the length of the rectangle as 4x inches. and the width is 3x inches.

Now, Substituting the given values in the formula :

[tex]\qquad \dashrightarrow{ \sf{2(4x + 3x )= 98}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{2(7x)= 98}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{14x= 98}}[/tex]

[tex]\qquad \dashrightarrow{ \sf{x= \dfrac{98}{14 } }}[/tex]

[tex]\qquad \dashrightarrow{ \bf{x= 7}}[/tex]

Therefore,

[tex]\qquad { \pmb{ \bf{ Length _{(rectangle)} = 4x \: = 4(7) = 28 \: inches}}}\:[/tex]

[tex]\qquad { \pmb{ \bf{ Width _{(rectangle)} = 3x = 3(7) = 21 \: inches}}}\:[/tex]

A baker is making cakes for a Big party. She uses 1/4 cup of all the cake how many kids can she make if she has a bottle of all their head in it?

Answers

Answer:

it depends on how big she wants them but typically a bakers dozen

Step-by-step explanation:

What is the polynomial of 6a+3 ?

Answers

Answer:

45

Step-by-step explanation:

Which is the quotient of 1/4 ÷ 4 ? Use a number line to help.

Answers

Answer:

[tex]\frac{1}{16}[/tex]

Step-by-step explanation:

Given;

[tex]\frac{1}{4}\div \:4[/tex]

Solve;

[tex]\mathrm{Convert\:element\:to\:fraction}:\quad \:4=\frac{4}{1}[/tex]

[tex]=\frac{1}{4}\div \frac{4}{1}[/tex]

[tex]\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}[/tex]

[tex]\frac{1}{4}\times \frac{1}{4}[/tex]

[tex]\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}[/tex]

[tex]=\frac{1\times \:1}{4\times \:4}[/tex]

[tex]\mathrm{Multiply\:the\:numbers:}\:1\times \:1=1[/tex]

[tex]=\frac{1}{4\times \:4}[/tex]

[tex]\mathrm{Multiply\:the\:numbers:}\:4\times \:4=16[/tex]

[tex]=\frac{1}{16}[/tex]

Number line given below:

~Learn with Lenvy~

Judy uses 9.7 pints of blue paint and white paint to paint her bedroom walls.3/5
of this amount is blue paint, and the rest is white paint. How many pints of white paint did she use to paint her bedroom walls?

Answers

Answer:

3.88 Pints

Step-by-step explanation:

First we need to find the amount of blue paint that was used. We can do that by multiplying 9.7 by 0.60 since that is 3/5 in decimal form

[tex]9.7*0.60=5.82[/tex]

Now we know how much blue paint was used, now we just need to find how much white paint was used. We can do that by subtracting our amount of blue paint from the total amount of paint used

[tex]9.7-5.82=3.88[/tex]

thus, 3.88 is the amount of white paint used

The scores on a certain test are normally distributed with a mean score of 53 and a standard deviation of 5. What is the probability that a sample of 90 students will have a mean score of at least 53.527?

Answers

Answer:

HERE

Step-by-step explanation:

The answer you're looking for is 0.1587

What is the answer for this question?

Answers

Answer:

A

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

I just took an assignment on this

In which quadrant is the point (2, -3) located?
O Quadrant II
O Quadrant IV
0 Quadrant I
Quadrant III

Answers

o Quadrant IV is located in the point (2,_3)

Answer:

Quadrant IV

Step-by-step explanation:

Q I = (+,+)

Q II = (-,+)

Q III = (-,-)

Q IV = (+,-)

Greetings to everyone! Can anyone be willing to help me in the word problems on Normal Distributions? I will forever be thankful and grateful to you!

Answers

Answer:

if some does this than this would happen

Step-by-step explanation:

1- The radius of a circle is equal to 12 cm. Find the length of the longest chord of the circle ?

2- Name the polygon whose perimeter is 35 cm and length of its side is 7 cm.


Please help me in this asp i need all the steps

Answers

Answer:

1. Longest chord is the diameter. Then answer is diameter is 12 and the radius is 6 CM.

Drag each tile to the correct box
An island is approximately in the shape of a triangle is shown a hospitality company wants to build a hotel on the island so it is equidistant from three coast of the island to determine the location H of the hotel a surveyor writes the steps for constructing a circle with center age and scribed in triangle JKL

Answers

Answer:

D, B, E, A, C

Step-by-step explanation:

The incenter is the intersection of the bisector of the triangle angle.

1) Construct the angle bisectors of angle JKL and angle LJK.

2) Label the point of intersection of the bisectors point H

3) Construct a segment HM that intersects side JK perpendicularly at point M.

4) Set the compass length to HM.

5) Draw a circle with the fixed end of the compass on point H.

The correct arrangement of the steps will be  D ⇒ B ⇒  E ⇒ A ⇒ C.

What is a triangle?

A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.

The triangle is a highly common shape that we deal with on a daily basis. For instance, the right-angle triangle is frequently used to estimate the height of towers.

In a triangle, the sum of all three angles is 180°

The correct sequence of the given problem should be ;

(D) ⇒  Construct the angle bisectors of angle JKL and angle LJK.

(B) ⇒ Label the point of intersection of the bisectors point H

(C) ⇒ Construct a segment HM that intersects side JK perpendicularly at point M.

(D) ⇒ Set the compass length to HM.

(E) ⇒ Draw a circle with the fixed end of the compass on point H.

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What is the perimeter of the triangle shown to the nearest tenths

Answers

Answer:

22 (I think)

Step-by-step explanation:

The picture is a lil blurry so I'm not sure if I counted the squares right. But basically, you count the squares from one dot to the next. For example, the one on the top that goes in a horizontal line is 6 squares. As for the other two lines, you count from the dot you're starting at and count VERTICALLY until you reach the same line as the point of the triangle. Like with the left side, it starts at point -5, 4 and you'll count how many squares it takes until you reach the same y-axis line as the tip of the triangle. So you should get to -5, -4 for the left side which counts to 8 squares. Same for the other side, also being 8 squares. Then just add it up. 8+8+6=22.

In the diagram, △TPR ∼ △XPZ. Find the length of the altitude PY.

Answers

Given that △TPR and △XPZ are similar triangles, the length of the altitude PY is: 24.

What are Similar Triangles?

Similar triangles have corresponding sides that have the same ratio, i.e. their sides are proportional.

To find PY, we need to know PZ.

Since △TPR ∼ △XPZ, therefore:

TR/XZ = TP/PZ

Substitute

10/20 = 13/PZ

PZ = (13 × 20)/10

PZ = 26

Find PY using Pythagorean theorem:

PY = √(PZ² - YZ²)

PY = √(26² - 10²)

PY = 24

Therefore, given that △TPR and △XPZ are similar triangles, the length of the altitude PY is: 24.

Learn more about similar triangles on:

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what is (-3/5) + 1/3 in fraction

Answers

Answer:

-4/15

Step-by-step explanation:

-3/5 = -9/15
1/3 = 5/15
(-9/15) + 5/15 = -4/15

Hope this helps :)

Answer:

- 4/15

Step-by-step explanation:

1) Remove parentheses.

-3/5 + 1/3

2) Simplify.

- 4/15

PLS HELP ME What effect will an animal have if it is introduced to a new environment?


It will be helpful if it spreads disease.

It will be harmful if it helps seeds disperse.

It will be harmful if it takes over the environment.

It will be helpful if it overpopulates. ITSscience

Answers

Answer:

It will be harmful if it takes over the environment.

Step-by-step explanation:

The reason for this is because, if the animal has no natural predators or controls, it can reproduce and quickly spread and multiply, taking over an area.

Also there are many invasive species that are the reasons for many other animals and plants becoming extinct. For example, they can reduce the habitat, fight with other animals for natural resources, and change the habitat.

Answer:

it is harmful

Step-by-step explanation:

hope this helps

How to be an expert on brainly?

Answers

Answer :

Most English queries can be answered with a  search, and arithmetic problems can be solved with a calculator. The majority of individuals use Brainly to ask questions that have previously been answered.

25 is 55% of what number

Answers

Answer:

45.45

Step-by-step explanation:

25 is 55% of What Number? - 25 is 55% of 45.45. 100% of 45.45 is 45.45, therefore 55 percent of 45.45 equals 25.

Answer:

x = 500/11

Step-by-step explanation:

look at the attached photo :)

Shay's net earnings per month are $4000. Shay's total monthly expenses are $3000. The biggest expense is rent at $1500. If Shay takes on a roommate who pays $500 per month, by what amount has Shay reduced total monthly expenses?
Group of answer choices
1/8 or 13%
1/6 or 17%
1/3 or 33%
1/2 or 50%

Answers

Answer:1/6 or 17%

Step-by-step explanation:

Answer: Choice B)  1/6 or 17%

Explanation:

Ignore the net earnings of $4000 as it's extra unneeded info. The same goes for the $1500 rent.

Shay has monthly expenses of $3000. If the roommate chips in $500, then Shay saves 500/3000 = 5/30 = 1/6 of her money toward expenses.

Using a calculator, 1/6 = 0.17 = 17% approximately

Which equation represents a line that passes through (–9, –3) and has a slope of –6?

y – 9 = –6(x – 3)
y + 9 = –6(x + 3)
y – 3 = –6(x – 9)
y + 3 = –6(x + 9)

Answers

Answer:

y+3= -6(x+9)

Step-by-step explanation:

Slope is represented as M

Name the numbers in bracket as y1 and x1

You have to use the formula which is:y-y1=m(x-x1)

Then you substitute the numbers into the formula

y--3=-6(x--9)

when two negatives meet the turn to positive

thats how we can conclude that the answer is y+3=-6(x+9)

Identify entry B13

Please help

Answers

Answer:

-1

Step-by-step explanation:

The first number indicates the row number and the second number indicates the column number. Therefore B13،That is, the first row and the third column. -1

A matrix is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns. -1 is the value of B13.

What is Matrix?

A matrix is a rectangular array or table of numbers, symbols, or expressions, arranged in rows and columns.

The given matrix is [tex]B=\left[\begin{array}{ccc}2&5&-1\\0&-3&8\end{array}\right][/tex]

We need to find the value of B13.

In B13 the number one represents the row 1 and 3 represents the columns 3.

So the element in B13 position is third element of first row or first element of the third column.

-1 is the third element of first row and first element of the third column

Hence -1 is the B13 of the matrix.

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The table shows the amount of money that Memphis saved in his savings account after different amounts of time

What is the Constant of Proportionality? (please make sure to show your work)
How much money did Memphis save after 1 month?


PLEASE HURRY

(Giveing Brainly if I can :-/)

Answers

#1

Constant of proportionality means slope

[tex]\\ \rm\rightarrowtail m=\dfrac{225-100}{18-8}=\dfrac{25}{2}[/tex]

#2

We need equation

[tex]\\ \rm\rightarrowtail y-100=25/2(x-8)[/tex]

[tex]\\ \rm\rightarrowtail 2y=25x[/tex]

Put x=1

[tex]\\ \rm\rightarrowtail 2y=25[/tex]

[tex]\\ \rm\rightarrowtail y=25/2=12.5[/tex]

Translate each sentence into an equation.
15. Fifty-three plus four times
c is as much as 21

Answers

Answer:

53+4c=21 = 53 + 4 x c =21

Step-by-step explanation:

(urgent!! please help) ​

Answers

Answer:

1 IS THE GIVEN

2 IS THE ADDITION PROPERTY OF EQUALITY

3 IS THE DIVISION PROPERTY OF INEQUALITY

Step-by-step explanation:

GIVEN IS ALWAYS THE PROBLEM GIVEN

YOU HAVE TO ADD 1 TO BOTH SIDES TO GET 20=5X

YOU HAVE TO DIVIDE EACH SIDE BY 5 TO GET 4=X

A manufacturing company has two assembly lines, one with old equipment and
one with new. The old assembly line generates products at a rate of 48 per hour,
the new one at 60 per hour. If both assembly lines are operating at the same
time, how long will it take them to create a total of 180 products?

Answers

Answer:

the first one would take 3 hours and 45 mins to make 180 by itself

the second one would take 3 hours to make 180 by its self

if this ant the answer let me  know

Using unitary method, the manufacturing company will take 1 hour 40 minutes to create a total of 180 products.

What is unitary method?

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value.

Number of products generated by old assembly line in 60 minutes = 48

Number of products generated by old assembly line in 1 minute = 48/60 = 0.8

Number of products generated by new assembly line in 60 minutes = 60

Number of products generated by new assembly line in 1 minutes = 60/60 = 1

Total production in 1 minute = 1 + 0.8 = 1.8

Time taken to produce 180 products = 180/1.8 = 100 minutes = 1 hour 40 minutes

Learn more about Unitary method here

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fond the 7th term of the geometric sequence whose common ratio is 1/3 and whose first term is 4

Answers

Answer:

[tex]a_7=\dfrac{4}{729}[/tex]

Step-by-step explanation:

General form of geometric progression:  [tex]a_n=ar^{n-1}[/tex]

(where [tex]a[/tex] is the initial term and [tex]r[/tex] is the common ratio)

Given:

[tex]a=4[/tex][tex]r=\dfrac13[/tex]

[tex]\implies a_n=4\left(\dfrac13\right)^{n-1}[/tex]

Therefore, when n = 7:

[tex]\implies a_7=4\left(\dfrac13\right)^{7-1}[/tex]

[tex]\implies a_7=4\left(\dfrac13\right)^{6}[/tex]

[tex]\implies a_7=4\left(\dfrac{1^6}{3^6}\right)[/tex]

[tex]\implies a_7=4\left(\dfrac{1}{729}\right)[/tex]

[tex]\implies a_7=\dfrac{4}{729}[/tex]

Which is the better buy?
2-pint bottle of bleach for $1.86
2-gallon bottle of bleach for $10.56

Answers

Answer:

  gallon bottle

Step-by-step explanation:

There are 8 pints in a gallon, so 8 of the 2-pint bottles would be equivalent to 2 gallons. The cost of those would be ...

  8 × $1.86 = $14.88

This is greater than the $10.56 cost of a 2-gallon bottle, so the 2-gallon bottle offers a better buy for an equivalent quantity.

__

Additional comment

You could compare unit rates in terms of any of cost per ounce, cost per pint, cost per quart, cost per gallon. All that is needed is the cost for an equivalent quantity, or the quantity for an equivalent cost.

Or, one can look at cost and quantity ratios. The cost ratio is 10.56/1.86 ≈ 5.68; the quantity ratio is (16 pints)/(2 pints) = 8. The gallon size gives 8 > 5.7 times the product for 5.7 times the cost, so it is the better buy.

PLEASE HELP ITS DUE THIS SUNDAY
its okay if you don't know the answer

Answers

Answer:

109.25 the answer is 109.25 you can right this or 109 1/4

Graph A represents the exponential equation y=4(6) and graph B represents y=6(4). which statements are true about graph a and graph b

Answers

Answer:

Step-by-step explanation:The following statements are true about exponential functions:

-The domain is all real numbers.

- The input to an exponential function is the exponent.

- The base represents the multiplicative rate of change.

The reason why the other two options are wrong are explained below:

The range of exponential functions is not always includes negative numbers; on the contrary, the range is the set of all positive real numbers.

The graph of an exponential function does not have a horizontal asymptote at x = 0; contrarily, the equation of the horizontal asymptote of the graph of is y = 0, which is the x-axis.

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