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Effectus [21]
2 years ago
11

Solve for x. 8 + x = -4

Mathematics
2 answers:
Verizon [17]2 years ago
7 0

Answer:

x=-12

Step-by-step explanation:

because 8-12 geta you -4

Lady_Fox [76]2 years ago
3 0

Answer: X=  -4.8

Step-by-step explanation:Simplifying

0.8 + x = -4

Solving

0.8 + x = -4

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.8' to each side of the equation.

0.8 + -0.8 + x = -4 + -0.8

Combine like terms: 0.8 + -0.8 = 0

0 + x = -4 + -0.8

x = -4 + -0.8

Combine like terms: -4 + -0.8 = -4.8

x = -4.8

Simplifying

x = -4.8

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Alexis wants to make a paperweight at pottery class. He designs a pyramid-like mode l with a base area of 100 square centimeters
olga55 [171]

Answer:

\frac{3}{2} g/cm²

Step-by-step explanation:

First, we need to find the volume of the prism. The volume of a square pyramid is V = Bh/3

B = 100 cm²

h = 6 cm

V = 100 cm² * 6 cm /3

V = 600 cm³ /3

V = 200 cm³

Next, we need to solve for the density based on the desired volume and mass.

m = mass = 300 g

V = volume

density = m/V

density = 300 g / 200 cm³

density = 3/2 g/cm³

The lowest possible density of the material to make the paperweight would be \frac{3}{2} g/cm²

4 0
2 years ago
A dinner plate has a circumference of 106.76 cm. What is the area of the dinner plate? Use = 3.14.
Sphinxa [80]
C=2pr,  r=c/(2p)

a=pr^2, using r found above we get:

a=p(c^2/(4p^2))

a=(c^2)/(4p), since c=106.76 and we approximate pi as 3.14

a=(106.76^2)/(4*3.14)

a=11612.2176/12.56 cm^2

a≈924.54 cm^2  (to nearest one-hundredth of a square cm)
3 0
2 years ago
What is<br> 5 1/6 - 5 1/2
Ymorist [56]

Answer:

1/3

Step-by-step explanation:

51/6 = 51/6

51/2= 5 3/6

= 2/6

6 0
3 years ago
Read 2 more answers
Please help I will reward point and hearts
Mashcka [7]
Fourths, then b. Sorry if late.
5 0
3 years ago
Solve for x 8/x +1/5 = 3/x
HACTEHA [7]

Answer:

I think x=-25

Step-by-step explanation:

8 0
3 years ago
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