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nekit [7.7K]
3 years ago
8

Find the x- and y-intercept of the line. -7/5x -4y = 7

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0
First, isolate the variables to either side.

4y = -7/5x -7

Second, simplify in terms of y.

y = -7/20x - 7/4

Third, plug 0 in for y to find the y intercept and factor the x side to make it simple. Then, find the value that makes the x-factor zero.

0 = (-7/4)(1/5x +1)

1/5x + 1 = 0

1/5x = -1

x = -5

The x-intercept is (-5,0)

Fourth, plug zero in for x to find the y-intercept.

y = -7/20*(0) -7/4

y = -7/4

Therefore, the y-intercept is (0,-7/4) and the x-intercept is (-5,0).

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The width of a rectangular rug is 6 feet if the perimeter is 24 feet what is the area of the rug?
babymother [125]

Answer:

36 feet squared

Step-by-step explanation:

Finding the perimeter of an object is adding all of the sides together. If the width of the rug is 6 feet then we know that there are two sides that length. Add those together.

6 feet + 6 feet = 12 feet

You would subtract the number you get from the perimeter.

24 feet - 12 feet = 12 feet

And then divide the number by the number of sides left, 2, to get each of their lengths.

12 feet / 2 feet = 6 feet

To find the area of a rectangle you multiply length times width, which in this case both are 6 feets.

6 feet x 6 feet = 36 feet squared

6 0
3 years ago
Jen earns $35,650 a year working for an electronics supplier. She is single with no
Kobotan [32]

Answer: 5% approximately

Step-by-step explanation:

Jen earns $35,650 a year working for an electronics supplier and pays $1,749.80 in state income tax each year. To calculate the income tax rate, we divide the amount paid as tax by her annual income and then multiply by 100. This will be:

= 1749.80/35650 × 100

= 4.91%

= 5% approximately

The state's tax rate is 5%.

7 0
3 years ago
What are the steps to find (2+2i)(5+3i)?
WITCHER [35]

(2+2i)(5+3i)
10+6i+10i+6i^2
10+16i+6(-1)
4+16i
When you have an “i^2”, you also have a negative one. The simplified answer is 4+16i
6 0
3 years ago
Read 2 more answers
PLS HELP ME!! this test will bring my grade up ahhh (question in picture(
weqwewe [10]

Answer:

A or D

Step-by-step explanation:

You know that triangles are Similar if they have like same angles. If too triangles are the same the 3rd one has to be too!

Hope this helped and I hope you do well on your test!! Good Luck!

*Sends good vibes* :)) <33

"You were born to be real, Not perfect.."

-SUGA-

4 0
3 years ago
The diameter of a circle is 7 cm. Find the circumference to the nearest tenth
Anton [14]

Answer:38.5 cm

Step-by-step explanation:To find the radius divide 7 by 2 which is 3.52. Then multiply 3.5 by itself which is 12.253.

3 0
2 years ago
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