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ad-work [718]
3 years ago
6

-4(2x + 12) in distributive property​

Mathematics
1 answer:
nikitadnepr [17]3 years ago
5 0

Answer:

−8x − 48

Step-by-step explanation:

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A spherical paintball measures 1.5 centimeters in diameter. Approximately how much paint is in it?
algol [13]

In this problem, you are asked to compute for the volume of the spherical paintball. The formula in computing the volume of the sphere is:

V = 4/3 (pi) r^2

Where r = the radius of the sphere

Since the given measurement is in diameter, you need to compute the radius of the sphere. The radius of the sphere is half its diameter. Therefore, the radius of the sphere is 0.75 cm (1.5 cm / 2).

Substituting the radius to the formula and using 3.14 as the value of pi:

V = 4/3(3.14)(0.75)^2

V = 2.355 cm^3 or 2.36 cubic centimeters (note that cubic centimeter is equal to mL)

Therefore, there are approximately 2.36 mL of paint in the paintball.

 

3 0
3 years ago
(-2x-5)=23 solve for it step by step please
expeople1 [14]

Answer: x=-14

Step-by-step explanation:

Get rid of parentheses: -2x-5-23=0

Add all the numbers together, and all the variables: -2x-28=0

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

-2x=28

x=28/-2

x=-14

7 0
3 years ago
Read 2 more answers
Solve -5(-5m + 5) = -2m – 4
skad [1K]

Answer:

m=7/9

Step-by-step explanation:

-5(-5m+5)=-2m-4

25m-25=-2m-4      

25m+2m=-4+25

27m=21

÷ 27  ÷ 27     (divide both sides)

m=7/9 or .777 (infinite)

7 0
3 years ago
A boat is marked up 20% on the original price the original price was $50 what is the sale price of the boat before sales taxes
bezimeni [28]

Answer:

42.9

Step-by-step explanation:

20% of 50 is 10

so its 40

40 + taxes

40 + (40*.0725)

6 0
3 years ago
Help please <br> I need this today
Katen [24]
Triangles a are similar because they have the same degrees

And Triangles d are similar because they are the same shape
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3 years ago
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