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3 years ago

The table gives the temperature (in) in five cities at 6 am on the same day. Use the table to answer the questions

Mathematics

1 answer:

BARSIC [14]3 years ago

8 0

Answer:

a) 32

b) 6

Step-by-step explanation:

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Which expressions are equivalent to 4d+6+2d4d+6+2d ? Choose all answers that apply: Choose all answers that apply: (Choice A) A

Sliva [168]

Answer:

Options A and C are correct choices.

Step-by-step explanation:

We have been given an expression $4d+6+2d$ and we are asked to choose all the equivalent expressions from given choices.

Let us simplify our given expression.

$4d+6+2d=(4d+2d)+6$

$4d+6+2d=6d+6$

Let us see which of our given choices matches with our answer.

A. $2(3d+3)$

Upon using distributive property $a(b+c)=a*b+a*c$ we will get,

$2*3d+2*3$

$6d+6$

Therefore, option A is a correct choice.

B. $6(d+6)$

Upon using distributive property $a(b+c)=a*b+a*c$ we will get,

$6*d+6*6$

$6d+36$

Since this expression is not equivalent to our answer, therefore, option B is not a correct choice.

C. $(3d+3)+(3d+3)$

Upon removing parenthesis we will get,

$3d+3+3d+3$

Upon combining like terms we will get,

$(3d+3d)+(3+3)$

$6d+6$

Therefore, option C is the correct choice.

7 0

3 years ago

Which rule describes the x-coordinates in the translation below?.

Ivenika [448]

Answer:

A) x + 0

Step-by-step explanation:

In triangle ABC, the coordinates are: A(1, -1), B(1, -5) and C(4, -5)

In triangle A'B'C', the coordinates are: A(1, -5), B(1, 1) and C(4, 1)

Look at the x-coordinates in both the triangles remains the same because the triangles are reflected over x-axis, therefore, only the y-coordinate changes.

Therefore, the rule for x-coordinates = x + 0

Answer: A) x + 0

Hope this will helpful.

Thank you.

5 0

3 years ago

Read 2 more answers

A population of bacteria is growing according to the function below, where t is in hours. How many hours will it take for the po

nalin [4]

B(t)=50×e^2.5t

e^2.5t = 20
t= ln(20) / 2.5
set B(t)=1000 and solve for t via 1000=50e2.5t
20=e2.5t
ln(20)=2.5t
t=ln(20) / 2.5

4 0

4 years ago

An unknown number y is 12 more than an unknown number x. The number y is also x less than 17. The equations to find x and y are

Aloiza [94]

Answer:

4) add the equations to eliminate x

Step-by-step explanation:

After adding the equations then you can use the value you found for y to substitute back into one of the equations in order to find x

5 0

3 years ago

What is sinB? a. 15/17 b. 8/17 c. 8/15 d. 15/8

Mkey [24]

Answer:

$\sf sin(B)= \dfrac{8}{17}$

Explanation:

$\hookrightarrow \sf sin(x)= \dfrac{opposite}{hypotensue}$

using the formula:

$\sf sin(B)= \dfrac{8}{17}$

8 0

2 years ago

Read 2 more answers