2 years ago

(Ans: 500)

Mathematics

1 answer:

katen-ka-za [31]2 years ago

6 0

Answer:

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What did I do wrong in this?? I have no idea its due soon. Sorry about my handwriting

olya-2409 [2.1K]

Answer:

$x = 16$

Step-by-step explanation:

$\frac{1}{2} (x + 8) - 16 = - 4$

$\frac{1}{2} x + 4 - 16 = - 4$

$\frac{1}{2} x + 4 = 12$

$\frac{1}{2} x = 8$

$x = 16$

5 0

3 years ago

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CAN YOU HELP ME FAST PLZ

Debora [2.8K]

All of them are correct except the third option. The image is smaller than the pre-image after the dilations.

3 0

3 years ago

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Rewrite the function by completing the square.

bixtya [17]

Answer:

$g(x) = 4(x - 2)^2 -9$

Step-by-step explanation:

Given

$g(x) = 4x^2 - 16x + 7$

Required

Complete the square

Rewrite so that $x^2$ has 1 coefficient

$g(x) = 4(x^2 - 4x) + 7$

Take half of the coefficient of x

$\frac{4}{2} = 2$

Square the result

$(\frac{4}{2})^2 = 2^2$

$(\frac{4}{2})^2 = 4$

Add and subtract the result in the bracket

$g(x) = 4(x^2 - 4x + 4 - 4) + 7$

Expand the bracket to remove -4

$g(x) = 4(x^2 - 4x + 4) - 16 + 7$

$g(x) = 4(x^2 - 4x + 4) -9$

Expand the bracket

$g(x) = 4(x^2 - 2x -2x+ 4) -9$

Factorize

$g(x) = 4(x(x - 2) -2(x-2)) -9$

Factor out x - 2

$g(x) = 4((x - 2)(x-2)) -9$

Express as square

$g(x) = 4(x - 2)^2 -9$

3 0

3 years ago

the vertices of a sand box are p(12, 14) ,Q(12,, 17), R(16, 17), AND S(16,14). THE COORDINATES ARE MEASURED IN FEET WHAT IS THE

qaws [65]

Answer:

p= 14

Step-by-step explanation:

sorry if the pic is blurry but side PQ=3, side QR=4, side RS=3, side SP=4

perimeter= length+length+width+width

perimeter=3+3+4+4

perimeter=6+8

perimeter=14

8 0

3 years ago

0.5 (c+7)= -1.5 Please help

storchak [24]

C should be -10
Hope this helps

7 0

3 years ago