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kompoz [17]
3 years ago
8

The Cotton family purchases a glass sculpture in the shape of a rectangular pyramid. The base measures 7 1/2 inches by 5 inches.

If the volume of the sculpture is 75 cubic inches, what is the height of the pyramid, in inches?
Mathematics
1 answer:
maria [59]3 years ago
6 0

Answer:

H = v / (L x W) / 3

H = 75 / (37.5) / 3

H = 75 / 12.5

H = 6 inches

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A cup contains 3 blue paper clips,2 red paper clips,and 5 silver paper clips.what is the probability of not drawing a red paper
Elis [28]
Short Answer 0.8

Remark
The total number of possible draws is
3 Blue + 2 Red + 5 silver = 10
There are two ways of solving this, both of which will be used later on.

Method 1
If you don't draw a read paper clip, that means you will draw a silver or blue paper clip.
\frac{Silver + blue}{10} =  \frac{3 + 5}{10} =  \frac{8}{10} = \text{0.8}

Method Two
The other way is to draw a red one and take that probability away from 1. 
P(red) = \frac{2}{10} = \text{0.2}
1 - 0.2 = 0.8 Same answer.

4 0
3 years ago
Given the function f defined by the formula f(x)=2x+1 find the following
alexgriva [62]
f(4)=2\cdot4+1=9\\
f(-5)=2\cdot(-5)+1=-9\\
f(0)=2\cdot0+1=1\\
f\left(\dfrac{1}{2}\right)=2\cdot\dfrac{1}{2}+1=2
6 0
3 years ago
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What is the soultion to the linear system y=2x and y=x+4
uranmaximum [27]

Answer:

x = 4; y = 8

Step-by-step explanation:

y=2x

y=x+4

2x = x + 4

x = 4

y = 2x = 2(4)

y = 8

Solution: x = 4; y = 8

5 0
2 years ago
I need helpppppppppppp
kakasveta [241]

Answer:

1/4 I'm pretty sure

Step-by-step explanation:

because half of the class already went to the afternoon session and 3/4 went to see the movie

4 0
3 years ago
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Find the slope and the y-intercept of the line.
Allushta [10]

Answer:

Slope <em>m</em> = -5/4

y-intercept <em>b</em> = 3

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

<u>Algebra I</u>

Equality Properties

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

[Standard Form]   -5x - 4y = -12

<u>Step 2: Rewrite</u>

  1. Add 5x to both sides:                    -4y = 5x - 12
  2. Divide -4 on both sides:                y = -5/4x + 3

<u>Step 3: Identify</u>

<em>Break apart the function.</em>

Slope <em>m</em> = -5/4

y-intercept <em>b</em> = 3

5 0
3 years ago
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