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8090 [49]
3 years ago
15

Again I’m confused.. show all work step by step so I understand?

Mathematics
2 answers:
goblinko [34]3 years ago
7 0

Answer:

\frac{6}{x}  =  \frac{4}{8}

Multiple across equal sign (Denominator x Nominator and vise versa)

4x = 6 \times 8

4x = 48

x = 48 \div 4

x = 12

Alinara [238K]3 years ago
7 0

6/x = 4/8

Cross multiply:

6*8 = 4 *x

48 = 4x

Divide both sides by 4:

x = 48 /4

x = 12

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9x+11y=-14<br> 6x-5y=-34<br> Resolver por regla de cramer
Marizza181 [45]

Answer:

x=-4 y=2

Step-by-step explanation:

y=-14-9x÷9

6x-5 (14-9x÷9)=-34

6x-(70+45x÷9)=-34

Take LCM

and then do it

3 0
3 years ago
1. What is the y-intercept?<br> 4x+5y = -15<br> a. (3, 0)<br> b. (0,-3)<br> c. (x, 0)<br> d. (y, 0)
kipiarov [429]

Answer:

The y-intercept is answer b. (0, -3)

Step-by-step explanation:

To find the y-intercept, fill in x with 0.

4x + 5y = -15

4(0) + 5y = -15

0 + 5y = -15

5y = -15

y = -3

So, the y-intercept would be (0, -3).

6 0
3 years ago
Evaluate each using the values given-6+4-y-z; use y= -4, and z = -1
Ivenika [448]

Answer:

Your answer is 15

Step-by-step explanation:

1) 6 + 4 = 10

2) -4 + -1 = -5

3) now add

4) 10 + -5 + 15

5) it's 15 because the bigger is positive.

8 0
3 years ago
Enter the slope-intercept equation of the line that has slope 12 and y-intercept<br> (0,3).
Nadya [2.5K]

Answer:

y=12x+3

Step-by-step explanation:

The slope-intercept form is y=mx+b. In the equation for slope-intercept form m=slope and b=y-intercept. You have the slope and y-intercept so all you have to do is put them in the right places. Since the slope is 12 your put the 12 where the m is and get y=12x+b. Then since you know the y-intercept is (0,3)=3 then you just need to put the 3 where the b is to get y=12x+3.

Hope this helps!!!

4 0
3 years ago
Myriam bought one bottle of water for
Rufina [12.5K]

Answer:

$199 + $125 = ?

Step-by-step explanation:

Thats the expression for how musch she spent

6 0
3 years ago
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