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3 years ago

The answer and how to do it.

Mathematics

1 answer:

V125BC [204]3 years ago

7 0

The answer is 9.45.

How to do it:

First you have to find 20 percent of 7.50. You do .20*7.50 which equals 1.5. Then you subtract 1.5 from 7.5 which equals 6. Now you need to add the tax. Do 6*0.0575 which equals 3.45. Finally you add 3.45 to 6 which gets the answer: 9.45

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There are 15 boys and 18 girls in a class. 40% of the boys and 1 /6 of the girls play basketball. How many students play basketb

finlep [7]

Answer:

Step-by-step explanation:

40% of 15 = 6.

1/6 of 18 = 3.

6 + 3 = 9.

5 0

3 years ago

Read 2 more answers

3n-5=19

alina1380 [7]

Answer:

n=8

Step-by-step explanation:

3n-5=19

3n=19+5

3n=24

n=24/3

n=8

6 0

3 years ago

The solids are similar. Find the volume V of the red solid.<br>HELP FAST!!!!!!!!!

aliina [53]

Answer:

V = 196 mm³

Step-by-step explanation:

( 7/21 )³ = V / 5292

343 / 9261 = V / 5292

9261 V = 343 * 5292

V = 196 mm³

3 0

3 years ago

What is the answer to this?

Jet001 [13]

The gradient of the given graph is 1.5

<h3>Calculating Gradient </h3>

From the question, we are to determine the gradient of the graph

Gradient is given by the formula

$m = \frac{y_{2}-y_{1} }{x_{2}-x_{1} }$

Where m is the gradient

Picking the points (-2, -2) and (2, 4) on the line

Then,

x₁ = -2

y₁ = -2

x₂ = 2

y₂ = 4

Putting the parameters into the equation, we get

$m = \frac{4--2}{2--2}$

$m = \frac{4+2}{2+2}$

$m = \frac{6}{4}$

m = 1.5

Hence, the gradient of the given graph is 1.5

Learn more on Calculating gradient here: brainly.com/question/21806111

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7 0

2 years ago

The equation 2x2 – 5x = –12 is rewritten in the form of 2(x – p)2 + q = 0. what is the value of q?

Novosadov [1.4K]

2x^2 - 5x + 12 = 0
Factoring out the leading coefficient:
2(x^2 - 5/2 x) + 12 = 0
Completing the square:
2[(x - 5/4)^2 - 25/16] + 12 = 0
2(x - 5/4)^2 - 25/8 + 12 = 0
2(x - 5/4)^2 + 71/8 = 0
q = 71/8

3 0

4 years ago

Read 2 more answers