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Nimfa-mama [501]
3 years ago
8

Can you guys help me. I will mark you as a brainliest. And give you a really good rating.

Mathematics
2 answers:
Nikitich [7]3 years ago
6 0

Add 5ft 7in and 4ft 8in together

5ft 7in + 4ft 8in = 10ft 3in

larisa86 [58]3 years ago
6 0

Answer:

10 ft 3 in

Step-by-step explanation:

You have to add both Rob's and Mary's to get the answer

So the total length of the banner is 4ft 8 in + 5ft 7 in

if you convert them to inches

one feet is 12 inches

so

rob: 56in

mary: 67in

add them you get 123inches

12in is 1 feet

120in is 10 feet

and 3in is remainder

so the answer is 10ft and 3in

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Find the amount of tax and the tax rate. Round to two decimal places
Makovka662 [10]

Answer:

The tax amount is 15.17$

The tax rate is 12.4%.

Step-by-step explanation:

First we subtract the cost from the selling price.

137.17 - 122 = 15.17

We have found the tax amount, now for the tax rate.

If tax rate is x, then

122 * x = 137.17

Divide both sides by 122 to get

x = 137.17/122 = 1.124, or .124.

Then convert into percentage by moving the decimal to the right 2 times.

.124 = 12.4%

Hope this helps you

3 0
3 years ago
Read 2 more answers
Find the area of the region bounded by the line y=3x-6 and line y=-2x+8.
Vikentia [17]

Answer:

A = 12/5 units

Step-by-step explanation:

USING ALGEBRA:

We can find the intersection point between these two lines;

y = 3x - 6

y = -2x + 8

Set these two equations equal to each other.

3x - 6 = -2x + 8

Add 2x to both sides of the equation.

5x - 6 = 8

Add 6 to both sides of the equation.

5x = 14

Divide both sides of the equation by 5.

x = 14/5  

Find the y-value where these points intersect by plugging this x-value back into either equation.

y = 3(14/5) - 6

Multiply and simplify.

y = 42/5 - 6

Multiply 6 by (5/5) to get common denominators.

y = 42/5 - 30/5  

Subtract and simplify.

y = 12/5

These two lines intersect at the point 12/5. This is the height of the triangle formed by these two lines and the x-axis.

Now let's find the roots of these equations (where they touch the x-axis) so we can determine the base of the triangle.

Set both equations equal to 0.

(I) 0 = 3x - 6  

Add 6 both sides of the equation.

6 = 3x

Divide both sides of the equation by 3.

x = 2  

Set the second equation equal to 0.

(II) 0 = -2x + 8

Add 2x to both sides of the equation.

2x = 8

Divide both sides of the equation by 2.

x = 4

The base of the triangle is from (2,0) to (4,0), making it a length of 2 units.

The height of the triangle is 12/5 units.

Formula for the Area of a Triangle:

A = 1/2bh

Substitute 2 for b and 14/5 for h.

A = (1/2) · (2) · (12/5)

Multiply and simplify.

A = 12/5

The area of the region bounded by the lines y = 3x - 6 and y = -2x + 8 between the x-axis is 12/5 units.

3 0
2 years ago
Luke earns $50 for doing his chores each month. He washes cars in his neighborhood for $15 each. Last month he earned a total of
Furkat [3]

Answer:

He washed 4 cars.

Step-by-step explanation:

1. The variable that was unknown x amount of cars washed.

2.The equation I used was 110-50=15x

3. To solve this you subtract the 50$ from 110$ you get sixty dollars you do that to take out what he earned for his allowance. Then your equation is 60=15x so you divide each side by 15 and when you do that x=4

8 0
3 years ago
A container holds 28 cups of water. How much is this in gallons ?
dsp73

1.75 gallons of water because one gallon holds 16 cups of water.

4 0
3 years ago
Pepper jackie has 5.8
vesna_86 [32]

Answer:

Pepper Jackie still has 5.8

Step-by-step explanation:

If this is a english problem instead of a math problem to correct the sentence it would be       Pepper Jackie has 5.8

4 0
2 years ago
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