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ser-zykov [4K]
3 years ago
8

25 POINTS ANSWER FAST PLZ!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Neporo4naja [7]3 years ago
8 0

Volume of a square pyramid when the area of the base is known is area x height/3

Volume = 48 x 8/3 = 128 cubic cm.

Lady_Fox [76]3 years ago
3 0

The formula to solve for the volume of a square pyramid is [ V = 1/3bh ].

V = 1/3(48)(8)

V = 1/3(384)

V = 128cm³ (Option C)

Best of Luck!

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Will give brainliest!
ira [324]

Answer:

- 1/4

Step-by-step explanation:

Where you see X, substitute with 1/3

Solve the power/exponent first:

6(1/3) = 2

That is ; - 4(1/4)^2

Solve the parenthesis:

(1/4)^2 = 1/16

-4(1/16)

= - 1/4

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2 years ago
Y = (x+3)(x+3) <br><br> What does it look like on a graph?
puteri [66]
Mark Brainliest please

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Qu2.05 ML<br> Solve for x: 5|2x - 2] + 8 = 18.
Luda [366]

Answer:

512x−2+8=18

Step 1: Simplify both sides of the equation.

512x−2+8=18

512x+−2+8=18

(512x)+(−2+8)=18(Combine Like Terms)

512x+6=18

512x+6=18

Step 2: Subtract 6 from both sides.

512x+6−6=18−6

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Step 3: Divide both sides by 512.

512x512=12/512

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Answer:

x=3/128

8 0
3 years ago
At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
riadik2000 [5.3K]

Answer:

$$2.25

Step-by-step explanation:

Let b = the cost of one brownie, c = cost of one cookie

3b + 5c = 11

b+2c = 3.95

Times 3 on both sides on the second equation above to get the following:

3b + 6c = 11.85

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3b+6c-3b-5c = 0.85

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To find the value of b, use substitution:

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b = 3.95-2c

= 3.95 - 2\times0.85

= 2.25

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Hope this helps :)

4 0
3 years ago
Plllsss answer! I don't understand this question.
Softa [21]

Answer:

  C and D

Step-by-step explanation:

Population density is the ratio of population to area. Its units are persons per square mile. Here, you're being asked to compare the population densities of several countries to the average population density in several US states.

__

<h3>average</h3>

The idea of "average population density of the 10 states listed" is somewhat ambiguous. It could mean either of (a) the ratio of the total of the states' population to the total of their land area, or (b) the average of the population densities of the states. (In the attached, we computed both, but the answer remains the same using either number.)

When there are numerous identical calculations to be performed, it is convenient to let a spreadsheet do them. The attached spreadsheet shows the population densities for the 10 states and 5 countries listed.

Depending on how you define it, the average population density of the 10 states is about 10.5 or about 15.7 people per square mile. (15.7 is the average of the density numbers, found using the spreadsheet AVERAGE function.)

__

<h3>countries</h3>

The 5 countries have population densities ranging from about 7.7 to 236 people per square mile. Two of the countries have density below 10.5, so are the answers to the question asked.

  Canada (C) and Iceland (D) have population density below the US state average.

4 0
2 years ago
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