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pshichka [43]
3 years ago
7

Find the height of the given pyramid. 2.3m 4.5m 6m 7m

Mathematics
1 answer:
Alex Ar [27]3 years ago
4 0

Answer:

The height is 7 m.

Step-by-step explanation:

Volume = 1/3 * area of the base * height, so

28 = 1/3 * 3 * 4 * h

4h = 28

h = 7.

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The Volume () of gas vanes inversely to the pressure (P). The volume of gas is 200 cm ^ 3 under pressure of 32 kg/cm^ 2 What wil
WITCHER [35]

Answer:

0.025 Kg/ cm²

Step-by-step explanation:

if two variables vary inversely, there is a negative relationship between both variables. the increase in one variable leads to a decrease in the other variable

the equation that represents inverse proportion :

y = \frac{b}{x}

where b = constant of proportionality

to determine the answer in this question :

1. determine constant of proportionality

200 = k / 32

k = 6400

2. Determine the amount of pressure using the constant of proportionality

256, 000 = 6400 / pressure

pressure = 6400 / 256, 000 = 0.025

4 0
3 years ago
7
LiRa [457]

Answer:

option B is correct answer

because it is similar by AA similarity -.theorum

8 0
3 years ago
The functions f and g are defined as follows f(x)=-5x-3 g(x)=2x^3+2 <br> Find f(6) and g(-3)
levacccp [35]

Answer

f(6) = -33 and g(-3) = -52

Explanation;

Given the function

f(x)=-5x-3

f(6)=-5(6)-3

f(6) = -30 -3

f(6) = -33

Similarly if g(x)=2x^3+2

g(-3)=2(-3)^3+2

g(-3) =  2(-27)+ 2

g(-3) = -54 + 2

g(-3) = -52

Hence f(6) = -33 and g(-3) = -52

8 0
3 years ago
Need help with number 3 inequalities with variables on both sides
Volgvan

Answer:

x ≤ 2

Step-by-step explanation:

We are given the inequality:

\displaystyle{2x-3 \leq \dfrac{x}{2}}

First, get rid of the denominator by multiplying both sides by 2:

\displaystyle{2x\cdot 2-3\cdot 2 \leq \dfrac{x}{2}\cdot 2}\\\\\displaystyle{4x-6 \leq x}

Add both sides by 6 then subtract both sides by x:

\displaystyle{4x-6+6 \leq x+6}\\\\\displaystyle{4x \leq x+6}\\\\\displaystyle{4x-x \leq x+6-x}\\\\\displaystyle{4x-x \leq 6}\\\\\displaystyle{3x \leq 6}

Then divide both sides by 3:

\displaystyle{\dfrac{3x}{3} \leq \dfrac{6}{3}}\\\\\displaystyle{x \leq 2}

Therefore, the answer is x ≤ 2

5 0
2 years ago
Read 2 more answers
Which graph represents a proportional relationship?
irina [24]

Answer:

The top one, as x increases, y increases too.

5 0
3 years ago
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