Which expression is equivalent to 4(x + 3) - 2 - x - 5)?

A 4x + 3 - 2x + 5
B 4x + 12 + 2x + 10
C 4x + 12 – 2x – 10
D 4x + 3 + 2x - 5

Answer: 3%

Step-by-step explanation: 20% of 15 is 3 so yeah:)

Step-by-step explanation:

.......

.................

Answer: x=8

Step-by-step explanation:

Answer:

  D, E

Step-by-step explanation:

Each vector represents the horizontal and vertical translation amounts:

  [tex]\left[\begin{array}{c}\text{translation right}\\\text{translation up}\end{array}\right][/tex]

Translation left or down will result in negative values for the corresponding translation amounts.

__

We can consider only the lower-left corner to determine the amount of translation.

horizontal: 1 to -4, so -4-1 = -5 units

vertical: 2 to 0, so 0 -2 = -2 units

The translation vector is ...

  [tex]\left[\begin{array}{c}\text{-5}\\\text{-2}\end{array}\right]\qquad\text{matches choice D}[/tex]

__

horizontal: -4 to -1, so -1 -(-4) = -1 +4 = 3 units

vertical: 0 to -4, so -4 -0 = -4 units

The translation vector is ...

  [tex]\left[\begin{array}{c}\text{3}\\\text{-4}\end{array}\right]\qquad\text{matches choice E}[/tex]

Answer:

x=31.67[by rounding]

Step-by-step explanation:

As

sin=p/h

Here,

p=2.1

h=4

[tex]solution \\ sin(x )= \frac{2.1}{4} \\ sin(x) = 0.525 \\ \sin(x) = sin(31.66824325 )\\ x = 31.66824325[/tex]

Answer:

31.7°

Step-by-step explanation:

[tex]sin(x)=\frac{opposite}{hypotenus} \\x = sin^{-1} (\frac{2.1}{4} )\\x = 31.668 = 31.7(nearest\ tenth\ of\ a\ degree)[/tex]

Answer: 1.6

Step-by-step explanation:

Calculator

The second system of linear inequalities has the point (3, -2) in its solution set.:

y > -2 and y ≤ (2/3)x - 4

Inequality is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are not equal.

The system of linear inequalities is given as follows:

1. y<-3

y≥(2/3)x-4

2. y>-2

y≤(2/3)x-4

Now, checking the given point (3, -2) satisfies the linear inequalities:

Substituting the values x = 3 and y = -2 in the inequalities 1, we get:

-2 > -2 (which is false)

For the inequalities 2, we get:

-2 ≤ (2/3)(3) - 4 => -2 ≤ -2 (which is true)

Therefore, only the second system of linear inequalities has the point (3, -2) in its solution set.

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Answer:

irregular 8-sided polygon or an irregular octagon

Step-by-step explanation:

The shape is an 8-sided polygon, also known as an octagon.

As the side lengths are not equal, it is called "irregular" (if the side lengths were equal then it would be called "regular").

So the shape is an irregular 8-sided polygon, or an irregular octagon.

Answer: 50 degrees

Step-by-step explanation:

Answer: Carla: 5, Jim: 6, Peter: 9

Step-by-step explanation:

Let c be Carla's age, j be Jim's age, and p be Peter's age.

We can set up equations.

We already know that c = 5

j + 13 = p

p-1 = 2(c - 1 + j - 1)

Combine like terms:

p - 1 = 2(c + j - 2)

Distribute:

p - 1 = 2c + 2j - 4

p + 3 = 2c + 2j

We can plug in the value of 5 for c.

p + 3 = 10 + 2j

2j + 7 = p

We can plug in j + 13 for p.

2j + 7 = j + 13

Combine like terms:

j = 6

Therefore, p = 6 + 13 = 9

Answer: C

Step-by-step explanation:

Answer:

x = 4

Step-by-step explanation:

[tex]2x - 3y = - 1 \: \: \: \: \: ...(*)\\ y = 3[/tex]

Substitute y = 3 into (*).

[tex]2x - 3(3) = - 1 \\ 2x = - 1 + 3(3) \\ 2x = - 1 + 9 \\ 2x = 8 \\ x = 4[/tex]

Answer:

x = 4

Step-by-step explanation:

2x - 3y = -1

y = 3

Substitute the given value for y.

2x - 3 (3) = -1

2x - 9 = -1

2x - 9 + 9 = -1 + 9

2x = 8

2x/2 = 8/2

x = 4

hope this helps!! p.s. i really need brainliest :)

Answer:

64 po Ang sagot sana makatulong

Answer:

12 the probability that both mark and jennifer win

Answer:

explanation:

y - 1 = -4(x + 3)

y = -4x - 12 + 1

y = -4x - 11

For find y-intercept, x will be 0

y = -4(0) - 11

y = -11       [ 0, -11 ]

For find x-intercept, y will be 0

0 = -4x - 11

11 = -4x

x = -2.75  [ 2.75 , 0 ]

Plot these two point and draw a straight line. You are done with your task.

Answer: That’s all youre going to search

Step-by-step explanation:

The answers related to perimeter is shown below.

The complete length of a shape's boundary is referred to as its perimeter. A shape's perimeter is calculated by adding the lengths of all of its sides and edges. Its dimensions are expressed in linear units like centimeters, meters, inches, and feet.

Given:

O) Perimeter of Triangle = 16.6

G) Perimeter of Square = 24

E) Perimeter of  Parallelogram= 230

A)  Perimeter of Decagon = 6.3

B) Perimeter of Rectangle  = 16.6

I) Perimeter of Equilateral Triangle = 3 x 5.25 = 15.75

H) Perimeter of Hexagon = 16.5

U) Perimeter of Rhombus = 100

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Answer:

The answer is A

Step-by-step explanation:

Because if you see all of the choices on top of the row and you put them on a graph and you fold it on the y-axis you will see on the bottom row those are the reflection of the top row so I would go with A! I hope this helps you! Have a great day.

Answer:

4

Step-by-step explanation:

Convert any mixed numbers to fractions.

Then your initial equation becomes:

463/3÷23/6(fraction)

Applying the fractions formula for division,

=46×63×23(fraction)

=27669(fraction)

Simplifying 276/69(fraction), the answer is

=4

Answer:

[tex]\displaystyle 4[/tex]

Step-by-step explanation:

Transform the mixed numbers into improper fractions:

[tex]\displaystyle 15\frac{1}{3} \div 3\frac{5}{6} \hookrightarrow \frac{46}{3} \div \frac{23}{6} \rightarrow \frac{2}{\frac{1}{2}} \\ \\ \boxed{4}[/tex]

I am joyous to assist you at any time.

Answer:

0.11

Step-by-step explanation:

The line of best fit of the student model shows the relationship between variables on a scatter plot

The question is incomplete; So, I will make use of a dataset with the following calculation summary from a graphing calculator

So, the equation of the line of fit is:

[tex]y = -0.1x + 50[/tex]

In (a), we have:

So:

The slope means that the number of students reduces each year by a factor of 0.1, while the y-intercept means that the initial number of students is 50

This means that x = 11.

So, we have:

[tex]y = -0.1*11 + 50[/tex]

[tex]y = 49[/tex]

Hence, the number of students in year 11 is 49

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Answer:

f i think andrew upright here's here's etext ueber yourself greatly they'd

Answer:

A = 90.25pi sq m

OR = 361pi/4 sq m

Step-by-step explanation:

If the circumference is 19pi, then the diameter is 19.

C = pi•d

19pi = pi•d

19 = d

If the diameter is 19, then the radius is 9.5.

The radius is always half of the diameter.

Then we can find the area.

A = pi•r^2

=pi•9.5^2

=90.25pi

We don't often see a decimal number coefficient for pi. So as an improper fraction, 90.25 which is 90 1/4 is

(90×4)+1 over 4

= 361/4

Area = (361/4)pi

=361pi/4 sq meters

Answer:

1. D -20

2. C (n-7)(n+6) / (n+4)(n-1)

Explanation:

The second one is actually:

(n−7)(n−1)(n+6)2(n+4)

But there isn't that one on the options so the closest one would be C.

Step-by-step explanation:

[tex]\frac{119}{19}[/tex] is an improper fraction meaning the top number is larder than the bottom

you want it in the form of a mixed fraction

to do that we need to first know

how many times can 19 go into 119

or 119 ÷ 19

tell me in comments

that will be our hole number or j

then k will be the remainder wich i can explain after u get what j is in the comments

Answer:

x = 5°

Step-by-step explanation:

Linear pair: a pair of adjacent angles formed when two lines intersect. The two angles are always supplementary and so their measures sum to 180°.

If the side of a polygon is extended, the angle formed outside the polygon is the exterior angle.  The sum of the exterior angles of a polygon is 360°.

Sum of exterior angles:

⇒ 45° + 90° + 25° + 90° + x° + (180° - 140°) + (180° - 115°) = 360°

⇒ 355° + x° = 360°

⇒ x = 5°

Answer: 8 x 4

Step-by-step explanation:

if the hat is 4 TIMES the baseball cap then u should multiply. anytime “times” is in a sentence like that it’s an automatic flag/reminder that multiplication is needed

Answer:

D.

Step-by-step explanation:

The matching shirt costs 4 times as much as the cap; The cap is $8. In that case, the question just told us the answer. 4 times $8 = 4*8 or 8*4 = $32. So if you had to determine the cost, the shirt is $32.

Answer:

Question 1

Given expression:

[tex]-2x^3 (4x^3+5x^6)[/tex]

Apply the distributive law [tex]a(b+c)=ab+ac[/tex]:

[tex]\implies -2x^3 \cdot4x^3+-2x^3 \cdot 5x^6[/tex]

Multiply the numbers:

[tex]\implies -8x^3 x^3-10x^3 x^6[/tex]

Apply exponent rule  [tex]a^b \cdot a^c=a^{b+c}[/tex]

[tex]\implies -8x^6-10x^9[/tex]

In standard form we write it in order from the greatest degree:

[tex]\implies -10x^9-8x^6[/tex]

Therefore, as the polynomial is degree 9, it is a nonic polynomial.

End behaviors

As the leading coefficient is negative and the leading degree is odd:

[tex]f(x) \rightarrow + \infty \textsf{, as } x \rightarrow - \infty[/tex]

[tex]f(x) \rightarrow - \infty \textsf{, as } x \rightarrow + \infty[/tex]

----------------------------------------------------------------------------------------------

Question 2

Factor the given function to find the zeros

Given function:

[tex]f(x) =x^3+15x^2 +63x+49[/tex]

[tex]f(-1) =(-1)^3+15(-1)^2 +63(-1)+49=0[/tex]

Therefore [tex](x+1)[/tex] is a factor of the function

[tex]\implies x^3+15x^2 +63x+49=(x+1)(x^2+bx+49)[/tex]

                                         [tex]=x^3+(b+1)x^2+(b+49)x+49[/tex]

Comparing coefficients ⇒ b = 14

[tex]\implies x^3+15x^2 +63x+49=(x+1)(x^2+14x+49)[/tex]

Factoring [tex](x^2+14x+49)[/tex]:

[tex]\implies (x^2+14x+49)=(x+7)(x+7)=(x+7)^2[/tex]

Therefore,

[tex]f(x)=(x+1)(x+7)^2[/tex]

To find the zeros, equate to the function zero:

[tex](x+1)(x+7)^2=0[/tex]

Therefore,

[tex]x+1=0 \implies x=-1 \textsf{ with multiplicity 1}[/tex]

[tex]x+7=0 \implies x=-7\textsf{ with multiplicity 2}[/tex]