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IrinaK [193]
3 years ago
7

What is -3(2m-5)-(2m+6)

Mathematics
1 answer:
mina [271]3 years ago
8 0

Answer:

-8m+9

Step-by-step explanation:

-3(2m-5)-(2m+6)

Multiply 3 by the number within the first pair of parentheses

-6m+15-(2m+6)

Multiply -1 by the numbers within the 2nd pair of parentheses

-6m+15-2m-6

Add like terms

-8m+9

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Teenage Mutant Ninja Turtles desmos
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Answer:

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Step-by-step explanation:

5 0
3 years ago
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Evaluate the function f(x) = x2 +1 for f(2).<br> 1<br> 5<br> 7
zaharov [31]

Answer:

b) 5

Step-by-step explanation:

f(x) = x² + 1

f(2) = (2)² + 1

= 4 + 1

= 5

8 0
2 years ago
Figure ABCD is transformed to obtain figure A′B′C′D′:
Kisachek [45]

Step-by-step explanation:

part A:

ABCD is transformed to obtain figure A′B′C′D′:

1) by reflection over x-axis, obtain the image :

A(-4,-4) B(-2,-2) C(-2, 1) D(-4, -1)

2) by translation T (7 0), obtain the image :

A'(3,-4) B'(5,-2) C'(5, 1) D'(3, -1)

part B:

the two figures are congruent.

the figures that transformed by reflection either or translation will obtain the images with the same shape and size (congruent)

6 0
2 years ago
Choose the equation of the line that contains the points (1,-1) and (2,2)
natka813 [3]
(1,-1)(2,2)
slope = (2 - (-1) / (2 - 1) = 3/1 = 3

y = mx + b
slope(m) = 3
use either of ur points...(2,2)...x = 2 and y = 2
now we sub and find b, the y int
2 = 3(2) + b
2 = 6 + b
2 - 6 = b
-4 = b

so ur equation is : y = 3x - 4
7 0
3 years ago
A bridge is 3911.1 meters long. Which of the following best describes the length of the bridge in kilometers?
Angelina_Jolie [31]

Answer:

3.9111 km

Explanation:

The length in kilometers is equal to the meters divided by 1,000. So, if you divide 3911.1 by 1,000 that equals 3.911. You move the decimal point to the left 3 times based on the number of zeros.

3 0
2 years ago
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