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salantis [7]
3 years ago
13

I need help solving it

Mathematics
2 answers:
blagie [28]3 years ago
8 0
X2-64=0
x2=64

x=8 because when multiplied by itself, and plugged back in, it works
Mice21 [21]3 years ago
7 0
Step by step on this problem. Hope this helps. Good luck! Mark brainest plz

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X + 17=29 What is the value of x?​
RUDIKE [14]

Answer:

x=12

Step-by-step explanation:

x+27=29

x=29-17

x=12

5 0
3 years ago
Read 2 more answers
Grains of sand are very small, there being about 3000 grains in one cubic centimeter (cm3) of sand. A cm3 is a small cube measur
Anastasy [175]

Answer:

The value is x =  3.000 * 10^9 \  grains

Step-by-step explanation:

From the question we are told that

      1m^3 = 10^6 cm^3

And that

     3000 \  grains \ of \  sand  \  is  \ in \  1cm^3

So the number of sand grain that is in 1m^3 is mathematically evaluated as

      x =  3000 * 10^6 \  grains

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4 0
3 years ago
Add 3 feet 6 inches +8 feet 2 inches +4 inches +2feet 5 inches
enyata [817]
You will just get 18 feet 3inches or 18.3 feet
8 0
2 years ago
Read 2 more answers
PLEASE HELPTH ME (MODERATORS STOP I REPEAT STOP REMOVING MY QUESTIONS BRO)
kompoz [17]

Answer:

X=75

Y=110

Step-by-step explanation:

A straight line is 180, so add the equations that make a line and set them equal to 180

x+20+x+10=180

Combine like terms

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Subtract 30 from both sides

2x=150

Divide by 2

X=75

Same for y

y+y-40=180

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Add 40 to both sides

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5 0
3 years ago
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notka56 [123]

Answer:

The area of the circle is 50.24 mm ²

Step-by-step explanation:

To solve this exercise we need to use the area formula of a circle:

a = area

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a = π * r²

a = 3.14 * (4mm )²

a = 3.14 * 16mm ²

a = 50.24 mm ²

The area of the circle is 50.24 mm ²

6 0
2 years ago
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