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satela [25.4K]
3 years ago
5

5x + 45 = 1605 im too lazy to do this thx

Mathematics
2 answers:
bixtya [17]3 years ago
5 0
5x+45=1605
-45 from both sides
5x=1560
divide each side by 5
x=312
JulijaS [17]3 years ago
3 0
<span><span><span>5x</span>+45</span>=1605</span>Subtract 45 from both sides.<span><span><span><span>5x</span>+45</span>−45</span>=<span>1605−45</span></span><span><span>5x</span>=1560</span>Divide both sides by 5.<span><span><span>5x</span>5</span>=<span>15605</span></span><span>x=<span>312


</span></span>
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Dimas [21]

Let the length of unknown side be x

So, hypotenuse = 2x + 1

By pythagorean theorem ie , a² = b² + c²

(2x + 1)² = x² + 15²

4x² + 1 + 4x = x² + 225

3x² + 4x -224

(3x +28)(x-8)

x = -9.33 , 8

Since, length can't be negative

x = 8

∴Unknown side length = 8 m

Length of hypotenuse = 2 x 8 + 1 = 17 m

Hope it helps now.

4 0
3 years ago
Read 2 more answers
7 tenths times 10 is another problem that i need help on
Elza [17]
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0.7 × 10 = 7

Because if you think about it...
Tenths is like being dropped down by ten... then you multiply by ten which brings it back up to whole number seven. It may not make sense but that's what it is.

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8 0
3 years ago
Find each measurement. Assume that each figure is not drawn to scale.
ivanzaharov [21]

Answer:

1) 2 1/4 inches (2.25)

2) 5.3 millimeters

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Step-by-step explanation:

Number 1, you just add the measurements because n and q is the start and end of the line segment.

Number 2, you are given the whole measurement, and you know FG which is 9.7, so you subtract the 15 (whole measurement) by 9.7, which is 5.3.

Number 3, you know that XY and YZ equal XZ, so 8x+1 would equal 81. Do the math, you would get 8x=80 and then x=8. Now you know x, plug it in for 6x, so 6(10)=60.

4 0
3 years ago
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ss7ja [257]
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7 0
2 years ago
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Leona [35]

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(fog)(-6)= -6(-6)-7

=36-7

=29

6 0
3 years ago
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