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Sati [7]
3 years ago
5

In the xy-plane, the line with equation

Mathematics
1 answer:
Nonamiya [84]3 years ago
6 0
<h3>Answer:  E.  7</h3>

=======================================================

Explanation:

Any point on the x axis always has its y coordinate equal to 0.

Plug in y = 0 and solve for x

y = 4x-28

0 = 4x-28

4x-28 = 0

4x = 28

x = 28/4

x = 7

Therefore, the point (7, 0) is on the line y = 4x-28 and also on the x axis. This is known as an x intercept.

Comparing (7, 0) this to (a, b) shows that a = 7 and b = 0.

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What two numbers multiply 45 and add to 14
Alekssandra [29.7K]


Ok to start this problem you must list two numbers that add to 14

7 and 7

9 and 5

10 and 4

6 and 8

those are the numbers that we will use for now..

Now multiply each pair of numbers and see which one equals 45

7 * 7 = 49, no

9 * 5 = 45, YES

10 * 4 = 40, No

6 * 8 = 48, No


The numbers discovered are 9 and 5

5 0
3 years ago
The cost of a table is 5 times the chair what is the price of chair if the total is 1050​
vampirchik [111]

Answer:

the cost of the chair is 175.

Step-by-step explanation:

<em>if the chair is x, the table will be 5x</em>

now,

the equation formed will be,

5x+x = 1050

on solving,

6x= 1050

x= 1050÷6

x= 175

therefore, the cost of the chair will be x= 175.

and the cost of the table will be 5x= 5×175 = 875.

<h3>hope it helps!!</h3><h3>PLEASE MARK BRAINLIEST ♡</h3>
8 0
2 years ago
Frank and Linda just finished a meal and received their bill for $47.60. They would like to leave their server a 20 percent tip.
katrin [286]
47.60 + 0.20(47.60) = 47.60 + 9.52 = 57.12

OR

47.60(1.20) = 57.12
6 0
2 years ago
Read 2 more answers
B. (x + 3)(x^2 – 3x + 27 )=
natali 33 [55]

(x+3)(x^2-3x+27)

x^3-3x^2+27x+3x^2-9x+81

x^3+19x+8

3 0
3 years ago
Which sequence has a common ratio of 2? a{20, 40, 80, 160, 320, 640, …} b{20, 10, 5, 2.5, 1.25, 0.625, …} c{20, 15, 10, 5, 0, -5
Elis [28]

Answer:

A

Step-by-step explanation:

40/20=2

80/40=2

Therefore the common ration is 2

4 0
3 years ago
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