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kicyunya [14]
3 years ago
14

What's y in: 21y=(-205) +75+47y

Mathematics
2 answers:
Alenkinab [10]3 years ago
6 0
The Answer Is A Fraction y= 151/47
Bumek [7]3 years ago
5 0
<span><span>21y=−<span><span>205+</span>75+</span></span>47y</span><span>Simplify: (Show steps)</span><span><span>21y</span>=<span><span>(<span>47y</span>)</span>+<span>(<span><span>−205</span>+75</span>)</span></span></span>(Combine Like Terms)<span><span>21y</span>=<span><span>47y</span>+<span>−130</span></span></span><span><span>21y=<span>47y−</span></span>130</span>Step 2: Subtract 47y from both sides.<span><span>21y−<span>47y</span></span>=<span><span>47y−</span>130−<span>47y</span></span></span><span><span>−26y=−</span>130</span>Step 3: Divide both sides by -26.<span><span><span>‌<span><span>−<span>26y</span></span><span>−26</span></span></span>‌</span>=<span><span>‌<span><span>−130</span><span>−26</span></span></span>‌</span></span><span>y=<span>5</span></span>
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A candy bar box is in the shape of a triangular prism. The volume of the box is 1,200 cubic centimeters.
marin [14]

Helloooo, Your answer for part A is 13 cm

You answer for part b is 2600

13 x 10 x 20 = 2600

3 0
2 years ago
Find the distance and midpoint for the following coordinates.<br> P(7.6 , 10.1) and Q(4.6 , 3.1)
KATRIN_1 [288]
Solving for the midpoint:

x - coordinate: (7.6 + 4.6)/2 = 6.1
y - coordinate: (10.1 + 3.1)/2 = 6.6

Midpoint: (6.1 , 6.6)

Solving for the distance:

Distance formula: sqrt( (x2 - x1)^2 + (y2 - y1)^2 )

D = sqrt( (7.6 - 4.6)^2 + (10.1 - 3.1)^2 <span>)
D = sqrt( 3^2 + 7^2)
D = sqrt(58)
D = 7.62 units

Distance = 7.62 units</span>
8 0
3 years ago
Find the equations of the lines for the following. Your answer should be in the form y=mx+b.
spin [16.1K]

Answer:

1 ) y = 2x - 1

slope = 2

y intercept is (0,-1)

2) y = -1/2x + 5

slope = -0.5

y intercept  = (0,5)

Step-by-step explanation:

4 0
3 years ago
Hi i need help below thank you 32 POINTS
lara [203]
A = (pi) * r*2
(pi) = 3.14
r = d/2.....r = 17/2 or 8.5

A = 3.14 * 8.5^2
A = 3.14 * 72.25
A = 226.86 rounds to 226.9 m^2 <==
6 0
3 years ago
What is 128.439 rounded to the nearest tenth??
irga5000 [103]

Answer:

the answer is 128.4

Step-by-step explanation:

To round up a number to the nearest tenth if the hundredth is more than or 5 you add 1 to the tenth but if it less than 5 you remove the other numbers and leave the number like that which will give you 128.4.

6 0
3 years ago
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