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alexandr402 [8]
4 years ago
9

Helpppppp math plsssssss

Mathematics
1 answer:
Mekhanik [1.2K]4 years ago
8 0

42+x=90

x=48

48+12=60

x=60



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A square Banner has an area of 20 square feet. To the nearest tenth of a foot what is the length of one side of the banner ?
marysya [2.9K]
Just take the square root of 20! 
 
\sqrt{20}

= 4.5

8 0
3 years ago
3x to the power of two minus x<br> Factor by gcf
algol13

Answer:

After factorizing the given expression we get the value as x(3x-1).

Step-by-step explanation:

Given:

3x^2-x

We need to factorize the given expression using GCF.

Solution:

3x^2-x

Now GCF means Greatest common factor.

From the given 2 numbers we need to find the greatest common factor.

3\times x\times x- 1 \times x

In the given expression GCF is 'x'.

Hence we can say that;

x(3x-1)

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4 0
3 years ago
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8 0
3 years ago
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What is the inverse of the function
san4es73 [151]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
after 1 second the ball is 76 feet in the air: after 2 seconds it is 144 feet in the air. Find the height of the function. h(x)=
MArishka [77]
General equation for height, h
h = ut + 0.5gt^2

at t=1s, h = 76 feet
76 = u*1 + 0.5*a*1^2
76 = u + 0.5a

at t=2s, h = 144 feet
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Subtract 2 equations
0.5a = -4
a = -8
u = 80

So the equation,
h(x) = 80t + 0.5*(-8) t^2
h(x) = 80t - 4t^2
4 0
4 years ago
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