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3 years ago

Someone please help me

Mathematics

2 answers:

Sergeeva-Olga [200]3 years ago

7 0

7a. False
7b. True
7c. False
7d. False?

Gre4nikov [31]3 years ago

6 0

Answer:

true

False

false

true

that is the answers in order, hope that helps!!

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The rule for h(f(x))

Marat540 [252]

Answer:

h(f(x))=3x-4

Step-by-step explanation:

You combine both F(X) and H(x).

f(x)=x-7 , therefore it is f(x)=1x-7

You add 2x with 1x to get 3x

and 7-3 is -4.

h(f(x))=3x-4

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3 years ago

I NEED HELP ASAP PLZZZ

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Answer:

Step-by-step

length x width=area

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2 years ago

denis-greek [22]

Answer:

Part a) $AB=15\ cm$

Part b) $AB=11.1\ cm$

Part c) $AB=3/5\ cm$

Part d) $AB=3s\ cm$

Step-by-step explanation:

see the attached figure to better understand the question

we know that

To find the length of the image after a dilation, multiply the length of the pre-image by the scale factor

Part a) we have

The scale factor is 5

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(5)=15\ cm$

Part b) we have

The scale factor is 3.7

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(3.7)=11.1\ cm$

Part c) we have

The scale factor is 1/5

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(1/5)=3/5\ cm$

Part d) we have

The scale factor is s

The length of the pre-image is 3 cm

therefore

The length of the image AB after dilation is

$3(s)=3s\ cm$

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3 years ago

When four times a number is decreased by 9, the result is 19. What is the number?

Novay_Z [31]

Answer:

Step-by-step explanation:

Working backwards:

19 + 9 = 28

28/ 4 = 7

Checking work:

7 x 4 = 28

28 - 9 = 19

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Katena32 [7]

Answer:

The temperature in Duluth is closer to zero

Step-by-step explanation:

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