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stiks02 [169]
3 years ago
7

Macy has completed 78% of the 50 questions on the test.how many questions has Macy completed

Mathematics
1 answer:
m_a_m_a [10]3 years ago
3 0
p\%=\frac{p}{100}\\\\78\%=\frac{78}{100}=0.78\\\\78\%\ of\ the\ 50\ i\ equal\ 0.78\times50=\boxed{39}
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3 octagons 4 Pentagons 2 trapezoids how many sides are on the shapes altogether
klio [65]

Answer:

52 Sides

Step-by-step explanation:

Octagons have 8 sides so 3 x 8 = 24

Pentagons have 5 sides so 4 x 5 = 20

Trapezoids have 4 sides so 2 x 4 = 8

Add it all up and it equals 52 sides in total

8 0
3 years ago
PLEASE HELP ME!! no spame
mina [271]
1/8
I’m adding random stuff to send the answer!:)
3 0
2 years ago
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What is X in this equation?<br> 3x+55=9x-5<br><br>Please Explain.​
klasskru [66]

Answer:

x = 10

Step-by-step explanation:

3x + 55 = 9x - 5  (add 5 to both sides)

3x + 55 + 5 = 9x - 5 + 5

3x + 60 = 9x  (subtract 3x from both sides)

60 = 9x - 3x

60 = 6x (rearrange)

6x = 60   (divide both sides by 6)

x = 60/6

x = 10

3 0
3 years ago
Read 2 more answers
Slope of points (2,3) and (-4,12)​
Ira Lisetskai [31]

Answer:

\huge\boxed{slope=-\dfrac{3}{2}}

Step-by-step explanation:

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (2, 3) and (-4, 12).

Substitute:

m=\dfrac{12-3}{-4-2}=\dfrac{9}{-6}=-\dfrac{9:3}{6:3}=-\dfrac{3}{2}

8 0
3 years ago
Hii! help asap. i’ll give brainliest thanks!
Amiraneli [1.4K]
The answer is C third law of motion
sorry if I’m wrong :)
3 0
2 years ago
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