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belka [17]
3 years ago
6

HELP!!!! PLEASE!!! 8 + (7 + 1) 2 ÷ 4*(1/2)^4? WHOEVER ANSWERS GETS BRAINLIEST

Mathematics
2 answers:
alexandr1967 [171]3 years ago
7 0

Answer:

8 1/4

Step-by-step explanation:

8+(7+1)2 ÷ 4 · (1/2)^4

8+16 / 4 · 1/16

8+4 · 1/16

8+ 1/4 = 8 1/4

QveST [7]3 years ago
3 0
The correct answer would be 8.25 I’m decimal form and in mix number form would be 8 1/4
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Find the measure <br>someone please help ​
Ierofanga [76]

Answer:

m∠B = 31°

Step-by-step explanation:

First, find the measure of angle ACB by subtracting its supplement from 180 degrees:

180 - 113 = 77

m∠ACB = 77°

Then subtract both m∠A and m∠ACB from 180 degrees, since the interior angles of a triangle always add to 180°:

m∠B = 180° - 72° - 77°

m∠B = 31°

5 0
3 years ago
a street light is mounted at the top of a 15 ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 5 ft/s along
Virty [35]
See attached. The trick is to use similar triangles.

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3 years ago
I have this for my math review &amp; i just don't seem to get it...<br>what is (.9x+.8y)^2
elena55 [62]
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Can you take the quantity  [ x + 2y ] and square it ?

Then you should have no trouble with the square of (.9x + .8y) .

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8 0
4 years ago
What’s 18x3+12-1x34+13-2x56?
Alina [70]

18 x 3 + 12 - 1 x 34 + 13 - 2 x 56 = 67

<=Work=>

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(54) + 12 - (34) + 13 - (112)

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32 + 13 - 112

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8 0
3 years ago
Read 2 more answers
Assume that y varies inversely with x. If y = 7 when x = 2/3, find y when x = 7/3. <br>y = [?] ​
Alekssandra [29.7K]

Answer:

y = 2

Step-by-step explanation:

varies inversely

xy = k

y = 7 when x = 2/3

(2/3)7 = k

14/3 = k

k = 14/3

--------------------

find y when x = 7/3

(7/3)y = 14/3

multiply both sides by 3/7

y = 14/3 * 3/7

y = 2

4 0
3 years ago
Read 2 more answers
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