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3 years ago

Jeannie McGraw sells replacement windows. She earns 5 percent commission on the

Mathematics

1 answer:

Arlecino [84]3 years ago

4 0

Answer:

$34,800

Step-by-step explanation:

5% of 8000 is 400

(1% is 80, 80 x 5 = 400)

8000+400=8400.

32000 - 8000 = 24000

10% of 24000 is 2400

2400 + 24000 = 26400

26400 + 8400 = 34800

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Linda is building steps for her porch. What is the volume of the steps?

Greeley [361]

Answer:

The volume of the steps is:

324,000 cm3

Step-by-step explanation:

Remember that the volume regularly is:

Volume = height * width * depth.

There are many forms to solve this exercise, but I'll show you two:

1. Imagine that aren't steps but a big solid, then its volume would be:

Volume of big solid = 60 cm * 60 cm * 120 cm
Volume of big solid = 432000 cm3

Now you can subtract the volume of a small solid with measures 30 cm * 30 cm * 120 cm (where is the blank for the step):

Volume of a small solid = 30 cm * 30 cm * 120 cm
Volume of a small solid = 108000 cm3

Now you subtract:

Volume of the building steps = 432000 cm3 - 108000 cm3
Volume of the building steps = 324000 cm3

2. The building steps are formed by three solid with volume 30 cm * 30 cm * 120 cm, so:

Volume of the building steps = 3 (30 cm * 30 cm * 120 cm)
Volume of the building steps = 324000 cm3

7 0

4 years ago

Question 1.) find Hcf and Lcm of 426 and 576

Mrrafil [7]

Answer:

426=2*3*71

576=2*2*2*2*2*2*3*3

Now

L.C.F= 2×3×71*2*2*2*2*2*3=40896

H.C.F=2*3=6.

we have.3+2√5

An irrational number is a number that cannot be expressed as a fraction for any integers.

over here √5 is not expressed as a fraction

So3+2√5 is not rational number.

3 0

3 years ago

Really important, this is a quiz grade. Please provide steps. :D. Will mark Brainliest

viva [34]

Karen has $30, Rafael has $75 and Shen has $25.

Step-by-step explanation:

Given,

Total amount they have = $130

Let,

Amount of Karen = x

Amount of Rafael = y

Amount of Shen = z

According to given statement;

x+y+z=130 Eqn 1

Shen has $5 less than what Karen have.

z = x-5 Eqn 2

Rafael has 3 times what Shen has;

y = 3z Eqn 3

Putting value of z from Eqn 2 in Eqn 3

$y=3(x-5)\\y=3x-15\ \ \ \ Eqn\ 4$

Putting value of y and z from Eqn 4 and 2 in Eqn 1

$x+(3x-15)+(x-5)=130\\x+3x-15+x-5=130\\5x-20=130\\5x=130+20\\5x=150$

Dividing both sides by 5

$\frac{5x}{5}=\frac{150}{5}\\x=30$

Putting x = 30 in Eqn 2

$z=30-5\\z=25$

Putting z=25 in Eqn 3

$y=3(25)\\y=75$

Karen has $30, Rafael has $75 and Shen has $25.

Keywords: linear equations, substitution method

Learn more about linear equations at:

#LearnwithBrainly

8 0

3 years ago

Is 11 a rational number

Rainbow [258]

Answer:

It is a fraction that represents one integer (1) being divided by a second integer (11). The fraction 1/11 is a rational number. It is a fraction that represents one integer (1) being divided by a second integer (11).

5 0

4 years ago

Read 2 more answers

1) IF (a, b ond B = (x, y) find BxH, And show in arrow diagram

elixir [45]

Answer:

Your question seems inaccurate. Sorry,please give the correct question.

3 0

3 years ago