3 years ago

Desperate need for help! Maths! Will award brainliest!

Mathematics

1 answer:

stealth61 [152]3 years ago

4 0

Step-by-step explanation:

fg(x) =

${(x - 4)}^{2} + 3(x - 4)$

${x}^{2} + 16 - 8x + 3x - 12$

${x}^{2} - 5x + 4$

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Okay I know I suck at math and I really don't understand math that well so can you help me on this??? Thank you!

Alja [10]

W - width
l - length
p - perimeter

The perimeter is 72 cm (p=72).
The length is twice the width (l=2w).
The formula for perimeter is 2w+2l=P.

$p=72 \\
l=2w \\ \\
2w+2l=p \\
2w+2 \cdot 2w=72 \\
2w+4w=72 \\
6w=72 \\
w=12 \\ \\
l=2w=2 \cdot 12 =24$

Check the answer:
$2 \cdot 12 + 2 \cdot 24 \stackrel{?}{=} 72 \\
24+48 \stackrel{?}{=} 72 \\
72 \stackrel{?}{=} 72 \\ \hbox{true}$

The length of the photo is 24 cm, the width of the photo is 12 cm.

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3 years ago

Carrie did sit-ups every for 5 days. The number of sit-ups she did on each day is shown on the table.

Nataly [62]

Answer:

Step-by-step explanation:

I mutiplied 2 to the 5th power and it equals 32

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3 years ago

Please help asap 32 pts

Over [174]

-8-5(-4)
-8+20
f(-4)=12

6 0

3 years ago

Read 2 more answers

3x−8 ≤ 23 OR −4x+26≥6 find x

ElenaW [278]

Answer:

3x-8<=23

3x<=23+8

3x< =31

X< = 10.3

-4x+26>=6

-4x>=-20

X>=5

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3 years ago

What is the answer to his question

horsena [70]

Answer:

A. 720 per hour

Step-by-step explanation:

1200+ 720 + 720 + 360 =3000

hr 1↑+ hr 2↑ + ↑30 min

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3 years ago