Answer
A.) As the number of years increased, the population increased.
Help pls get 35pts plsss
Answer:
above is the solution to the question
Today only, a suit is being sold at a 67% discount. The sale price is $270.60.
What was the price yesterday?
Answer:
$820.00
Step-by-step explanation:
x = price yesterday (initital price)
If it is 67% off, then the price is 33% of the initial.
x(.33) = 270.60
divide .37 on both sides
x = 820.00
The price of the suit yesterday is $820.00.
Simplify the expression below.
–3 X5 X(-9) X (-2)
Answer:
[tex] - 3 \times 5 \times - 9 \times - 2 \\ - 15 \times + 18 = 3[/tex]
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HELP HELP I NEED HELP ASAP
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Answer:For the answer to this It has me stuck between A and B
The equation for a circle is shown x ^ 2 + y ^ 2 = 9 Which statement best explains why the equation does not describe a function?
x2+y2=9 is not a function
In order for an equation to represent a function any single value of x must have at most one corresponding value of y which satisfies the equation.
For
x
2
+
y
2
=
9
XXXX
if (for example)
x=0XXXX there are two values for y (namely +3 and −3) which satisfy the equation
3. Use Structure Shari is drawing a tree diagram
to represent the sample space of rolling a
12-sided game piece and spinning the pointer of
a 4-section spinner. Does it matter if Shari starts
the tree diagram with the game piece outcomes
or the spinner outcomes? Explain.
The sample space of Shari's tree diagram is the total possible outcomes of rolling the game piece and spinning the pointer.
It doesn't matter if Shari starts with the spinner or the game piece
How to determine the tree diagramThe experiment involves:
Rolling a 12-sided game pieceSpinning the pointer of a 4-section spinnerIf Shari starts with the game piece, the sample size (n) would be:
n = 12 * 4
n = 48
If Shari starts with the spinner, the sample size (n) would be:
n = 4 * 12
n = 48
Notice that the sample size remains unchanged irrespective of what he starts with
Hence, it doesn't matter if Shari starts with the spinner or the game piece
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A random sample of 30 professional tennis players is selected. For each tennis player, their first serve percentage and their second serve percentage are recorded. A 95% confidence interval for the mean difference (first – second) in serve percentages is found to be 0.10 to 0.18. A tennis coach claims that there is no difference in first and second serve percentages among professional tennis players. Is this claim supported by the confidence interval?
No, the confidence interval does not contain the value of 0.
Yes, the confidence interval does not contain the value of 0.
No, the confidence interval does not contain negative numbers.
Yes, the confidence interval consists entirely of positive numbers.
Please help I will give brainliest.
Explanation and Answer:
The graph of y=[tex]x^2[/tex] is a parabola (it looks like a u) that intersects the graph at the origin. These are all shifted variations of that graph, so from that you can figure out their formula by visualizing it.
You can also try substituting numbers into the equations and drawing a graph from that.
Graph A is the y=x^2, shifted to the left, so it becomes [tex]y=x^2+x[/tex]. It's +x because now negative numbers can be gotten from the equation, as compared to before when x^2 gives only positive numbers.
Graph B is [tex]y=x^2+3x[/tex] . Similar to graph A, but now it moves down by more units, because of the 3x.
Graph C is [tex]y=-x^2+2[/tex]. Imaging y=x^2 flipped, it changes from looking like a u to n. That's y=[tex]-x^2[/tex]
Graph D is [tex]y= x^2-x[/tex]. The opposite of Graph A.
WILL GIVE BRAINLIEST IF CORRECT PLEASE ANSWER!!!!!!
Find the value of sin G rounded to the nearest hundredth, if necessary.
Answer:
Step-by-step explanation:
helppp pls ASAP first correct answer gets brainleist
[tex]\tt \dfrac{3}{8}\times 28.7=10.7625=10.76~kg[/tex]
Nahid is payed 200$ a week + 5% of her sales during the week. The equation p=0.05s represents nahids pay for the week. P represents the total pay for week and s represents her total sales. If nahid was payed 290 at the end of the week, use the equation to determine how much did she sold.
Answer:
She sold $1800 worth.
Step-by-step explanation:
290-200=90
90 x 20 because 100÷5=20
90 x 20 = 1800
$1800
to solve m + 9 = 45, should you add or subtract 9 from both sides of the equation
Answer:
subtract 9 from both sides
Step-by-step explanation:
m + 9 = 45 ( subtract 9 from both sides )
m = 36
Answer:
Subtract
Step-by-step explanation:
You should subtract since the equation says to add.
You basically do the opposite of what it says.
For example, if it was m - 9 = 45 you would add 9 on both sides, but in this case, you would subtract since its m + 9 = 45
m + 9 = 45
subtract nine by 9 and 45:
m = 36
36 + 9 = 45
Math Question, help please
Answer: 254.34 yd
Step-by-step explanation:
If the diameter is 18 yd then the radius:
radius = diameter/2
r = 18/2
r = 9 yd
So the area is:
[tex]A = \pi r^2\\= \pi (9)^2\\= (3.14)(81)\\ =254.34 \hspace2yd[/tex]
Therefore, the area of the circle is 254.34 yd
A colony of 100 bacteria doubles in size every 60 hours. What will the population be 180 hours from now?
Answer:
600
Step-by-step explanation: [tex]100\times2\times\frac{180}{60}[/tex]
Cross out the common factor
[tex]100\times2\times3[/tex]
Calculate the product or quotient
[tex]200\times3[/tex]
[tex]600\ YOUR\ ANSWER\ which\ can\ also\ be\ written\ as\ 6\times{10}^2\[/tex]
I hope this helps you
:)
If the initial population of the bacteria is 100, then the population of the bacteria after 180 hours will be 800.
What is an exponent?Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.
A colony of 100 bacteria doubles in size every 60 hours.
The exponential relation will be given below.
[tex]\rm P = 100 \times 2^{t/60}[/tex]
Where t is the number of hours
Then the population of the bacteria after 180 hours will be
[tex]\rm P = 100 \times 2^{t/60} \\\\P = 100 \times 2 ^{180/60}\\\\\rm P = 100 \times 2^{3}\\\\\rm P = 100 \times 8\\\\\rm P = 800[/tex]
More about the exponent link is given below.
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Mand N are two points on the circumference of a circle
centre O.
The straight line AMB is the tangent to the circle at M.
Angle MON = y
Prove that angle BMN = 1/2 y
Explanation:
We can make use of the symmetry of the problem and properties of similar triangles.
Here's a "paragraph proof."
Draw line OP perpendicular to chord MN, such that P lies on line MB. Let the point of intersection of OP with chord MN be designated point Q. Line OP bisects angle MON, so has measure y/2.
Triangles OPM and MPQ are similar (by AA similarity; both right triangles contain angle OPM), so angle QMP ≅ angle MOP. As we observed above, angle MOP has measure y/2, so angle QMP has measure y/2.
Angle BMN is another name for angle QMP, so it has measure y/2.
__
Additional comments
By the HL congruence postulate, the perpendicular bisector of chord MN divides triangle MON into two congruent right triangles. (OM≅ON, MQ≅NQ). That means ∠MOQ≅∠NOQ, so OQ bisects angle MON, as we say above.
__
Another way to come to the desired conclusion is to recognize that for any point X on long arc MN, angle MXN will have measure y/2. (inscribed angle theorem) This remains true in the limit as X approaches M. As X approaches M, secant XM approaches tangent line MB. So, in the limit, angle BMN is y/2.
ANSWER QUICKLY PLEASE!!!!!!
Answer:
See belowStep-by-step explanation:
1Use similarity ΔPQS ~ ΔRQS
Use the ratio of corresponding sides:
PS/QS=QS/SRPS*SR = QS²PS*20 = 8²20PS = 64PS = 64/20PS = 3.22Find PS
PS = PR - RS = 72 - 54 = 18Use similarity ΔPQS ~ ΔPRQ
Ratio of corresponding sides:
PQ/PR=PS/PQPQ² = PR*PSPQ² = 72*18 = 4*18*18 = (2*18)² = 36²PQ = 363Use similarity ΔPQS ~ ΔPRQ
Ratio of corresponding sides:
PQ/PR=PS/PQPS=PQ²/PRPS = 14²/28 = 7Find RS:
RS = PR - PS = 28 - 7 = 214Answer options
a) ΔRPQ ~ ΔRQS - correctb) ΔRQS ~ ΔQPS - correctc) ΔRPQ ~ ΔQPS - correctd) ΔRPQ ~ ΔRQS ~ ΔQPS - most correct as combines all above choicesA cylinder has a height of 17 centimeters and a diameter of 18 centimeters. What is its
volume? Use a * 3.14 and round your answer to the nearest hundredth.
Answer:4323.78cm^3
Step-by-step explanation:
Anotha oneee, irrelevant answers will be deleted. Thank you so much!!
Answer:
k = 5/7; y = 5vw/(7z)w = 18/5; y = 10vw/zy = 3/2; k = 96v = 5/6; k = 8y = 168/5; y = 6vw/zStep-by-step explanation:
As with other forms of direct and inverse variation, the "constant of variation" (k) is the constant multiplier in the equation. "Varies directly" means the independent variable is in the numerator. "Varies inversely" means the independent variable is in the denominator. The variation equation can be solved for missing values of constants or variables.
The equation for "varies directly with v and w, and inversely with z" means the equation is of the form ...
y = k·v·w/z
Then the values of v or w are ...
v = y·z/(k·w)
w = y·z/(k·v)
__
a)k = y·z/(v·w) = 5·24/(12·14) = 5/7; the equation is y = 5·v·w/(7·z)
b)w = y·z/(k·v) = 18·8/(10·4) = 18/5; the equation is y = 10·v·w/z
c)k = 3/2 (read from the equation); y = (3/2)v·w/z = 3·16·24/(2·6) = 96
d)k = 8 (read from the equation); v = y·z/(k·w) = 20·2/(8·6) = 5/6
e)y = k·v·w/z = 6·12·7/15 = 168/5; the equation is y = 6·v·w/z
please help me answer these 2
Answer:
y-2/3x-4
the answer is (0,3)
3x+4y-12
the answer is (0,3)
What is the relationship between Z4 and 25?
1
2
m
3
4
5
6
7
8
A corresponding angles
B. same-side interior angles
C. alternate interior angles
D. alternate exterior angles
Answer:
A) corresponding angles are equal
If ΔRST congruent to ΔNPQ, which of the following is true? A. ∠R congruent to ∠P B. ∠R congruent to ∠Q C. ∠T congruent to ∠P D. ∠T congruent to ∠Q
Answer:
Step-by-step explanation:
The order of the expression for congruent shapes indicate the
corresponding vertices between the two shapes that are congruent.
The option which is true is D. T = Q.
Reasons:
The given statement is; ΔRST ≅ ΔNPQ
By Corresponding Parts of Congruent Triangle are Congruent, CPCTC, we
have; The sides on ΔRST are congruent to the corresponding sides of ΔNPQ
Therefore;
RS ≅ NP
RT ≅ NQ
ST ≅ PQ
By CPCTC, we have that the angles on ΔRST are congruent to the corresponding angles of ΔNPQ
Therefore;
∠R ≅ ∠N
∠S ≅ ∠P
∠T ≅ ∠Q
Which gives, by definition of congruency;
∠R = ∠N
∠S = ∠P
∠T = ∠Q
Therefore, the true statement is D. T = Q.
give brainliest
are these similar
(the second one)
Problem 2
Answer: Not similarWhy not? Well it's because the angles do not match up perfectly.
The triangle on the left is a 30-60-90 triangle; while the triangle on the right is a 40-50-90 triangle. The numbers mentioned are the angle values.
Only the "90"s match up, but everything else does not. We need to have three pairs of congruent angles to be able to use the angle angle (AA) similarity theorem.
Jacee has had her eye on a dress. It originally cost $65. It is on sale for 33% off. How much will the dress cost before taxes?t?
$21.45
$33
$43.55
$86.45
Answer: 21.45$
Step-by-step explanation: I can’t explain how i got it but i hope this helped!
Answer:
$43.55
Step-by-step explanation:
I took 65 and found 33% by making 33% .33 and did 65*33, then subtracted what I got from the total of 65, 65-21.45 which is $43.55.
find the value of x
a:21
b:27
c:31
d:34
Answer:
what's the problem?
Step-by-step explanation:
do u have a picture to show us?
What is the measure of ∠A in the image below?
Answer:
A
Step-by-step explanation:
3x and x + 30 are vertically opposite angles and are congruent , then
3x = x + 30 ( subtract x from both sides )
2x = 30 ( divide both sides by 2 )
x = 15
Then
∠ A = 3x = 3(15) = 45°
See <A and x+30 are opposite angles .
We know that opposite angles are equal
so
3x=x+302x=30x=15Now
<A=3x=45°Option A is correct
What percent is 10 out of 40?
Answer:
25%
Step-by-step explanation:
Given the following question:
What percent is 10 out of 40?
We use the formula to calculate percentages to find the answer.
[tex]\frac{p \times n}{100}[/tex]
[tex]\frac{25\times40}{100} =25\times40=1000\div100=10[/tex]
[tex]=10[/tex]
"25%" of 40 is equal to 10.
Hope this helps.
Use substitution to solve the system of equations
y=x+1.75 4x-2y = 4
Answer:
y=x+1.75
4x-2y = 4
The answer is (3. 75, 5.5)
Step-by-step explanation:
If you plot the two equations on Desmos' Graphing Calculator, you will see that the solution is intersected at (3.75, 5.5).
NEED HELP ASAP PLEASE EASY 10 to 20 POINTS RN
Answer:
explicit definition: [tex]a_n=5n-4[/tex]
recursive definition: [tex]a_n=a_{n-1}+5[/tex]
Step-by-step explanation:
Given arithmetic sequence: 1, 6, 11, 16, 21 ...
Therefore,
first term a = 1common difference d = 5Using the general form of arithmetic sequence: [tex]a_n=a+(n-1)d[/tex]
[tex]\implies a_n=1+(n-1)5[/tex]
[tex]\implies a_n=1+5n-5[/tex]
[tex]\implies a_n=5n-4[/tex]
or [tex]a_n=a_{n-1}+5[/tex]
4. Magnus flips a fair coin once and rolls an ordinary dice once.
a) Write down all the possible outcomes.
b) Find the probability that Magnus gets a head and a 3.
The possible outcomes of the fair coin and the dice is the sample space
The list of possible outcomes is: {H1,H2,H3,H4,H5,H6,T1,T2,T3,T4,T5,T6}The probability of getting a head and a 3 is 1/12How to list the possible outcomesThe items are given as:
Coin = 1
Dice = 1
The sample space of both items are:
Coin = {H,T}
Dice = {1,2,3,4,5,6}
So, the list of possible outcomes is: {H1,H2,H3,H4,H5,H6,T1,T2,T3,T4,T5,T6}
The probability of getting a head and a 3From the above list, there is only one outcome that has a head and a 3 out of 12 possible outcomes
So, the probability of getting a head and a 3 is:
p = 1/12
Hence, the probability of getting a head and a 3 is 1/12
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In a survey conducted at a pet store, 150 customers were asked if they owned
birds or fish. The survey data are shown in the relative frequency table.
Own a bird
Do not own a
bird
Total
0.04
0.08
Own fish
Do not own fish
Total
0.02
0.86
What percentage of the people surveyed own fish?
Answer:
12%
Step-by-step explanation:
have faith in me bro :>
12% of the people surveyed own fish.
What is relative frequency?Relative frequency refers to the percentage or proportion of times that a given value occurs within a set of numbers, such as in the data recorded for a variable in a survey data set.
We get
Total (own fish) = 0.04 + 0.08 = 0.12
So, own fish = 0.12
= 12%
12% of the people surveyed own fish.
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