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2 years ago

Someone help me with number 2 please

Mathematics

2 answers:

WARRIOR [948]2 years ago

4 0

Dang that’s hard , hope somebody helps you.

Semenov [28]2 years ago

4 0

I think it is A, hopefully you get it right

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Bh+hr=25 solve for r please work it out step by step

denis23 [38]

So firstly, factor out h on the left side: $h(b+r)=25$

Next, divide both sides by h: $b+r=\frac{25}{h}$

Lastly, subtract both sides by b and your answer will be $r=\frac{25}{h}-b$

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2 years ago

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Describe the transformations that maps triangle A to triangle A

Scilla [17]

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3 years ago

Which of the following is not a geometric sequence?

Leviafan [203]

A.

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2 years ago

Chen buys 4 tickets to a soccer game. The total cost before taxes is $80. Which equation would you use to determine the price, p

Assoli18 [71]

Answer:

A. 4p=80

Step-by-step explanation:

Total Cost of 4 tickets=$80

Price=p

Quantity=4

Total cost=price×quantity

80=p×4

80=4p

80=4p is the equation that can be used to determine price

From the equation

80=4p

Divide both sides by 4

80/4=4p/4

20=p

Price is $20 per ticket

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2 years ago

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Find the volume of a pyramid with a square base, where the perimeter of the base is 8.2\text{ cm}8.2 cm and the height of the py

7nadin3 [17]

Answer:

$V=18.2cm^3$

Step-by-step explanation:

The volume of the pyramid is given by:

$V=\frac{A_{b}h}{3}$

where $A_{b}$ is the area of the base and $h$ is the height.

We know that the height is:

$h=13cm$

Thus we need to find the area of the square at the base.

The perimeter of the square is:

$p=8.2cm$

this means that the length of the sides of the square is :

$l=\frac{p}{4}\\ \\l=\frac{8.2cm}{4}\\ \\l=2.05cm$

Now we can find the area of the base which the area of the square:

$A_{b}=l^2\\A_b=(2.05cm)^2\\A_b=4.2025cm^2$

and finally we find the volume:

$V=\frac{A_{b}h}{3}$

$V=\frac{(4.2025cm^2)(13cm)}{3}\\ \\V=\frac{54.6325cm^3}{3}\\ \\V=18.2108cm^3$

Which rounded to the nearest tenth of a cubic centimeter is: $V=18.2cm^3$

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2 years ago