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Softa [21]
2 years ago
12

Use technology, what is the solution to this system? 4x+8y=30

Mathematics
1 answer:
yarga [219]2 years ago
7 0

Answer:

y=-1/2x+15/4

Step-by-step explanation:

transfer the equation into slope intercept form. subtract 4x from each side getting 8y=-4x+30 then divide by 8.

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What is the solution to 4x + 2 = 6(-2x - 5) ?
exis [7]

Answer:

x= -2

Step-by-step explanation:

4x + 2 = 6(-2x - 5)

Distribute

4x+2 = -12x-30

Add 12x to each side

4x+2+12x = -12x-30+12x

16x+2 = -30

Subtract 2 from each side

16x+2-2=-30-2

16x = -32

Divide by 16

16x/16x = -32/16

x = -2

5 0
2 years ago
Read 2 more answers
Tell whether (-1,2) is a solution of 8x+y>-6
harina [27]

Answer:

Not a solution.

Step-by-step explanation:

(x, y)

(-1, 2)

Substitute the x and y values in the expression with the point given.

8x + y > -6

8(-1) + 2 > -6

-8 + 2 > -6

-6 > -6

Since our final value has to be greater than -6 but is instead equal to -6, the solution is not true.

3 0
2 years ago
Eight women and six men apply for a job at Google. Four of the applicants are selected for interviews. Let X denote the number o
Free_Kalibri [48]

Answer:

See below

Step-by-step explanation:

images attached showing all working

a) The possible values of X are as follows

X = {0,1,2,3,4}

P(x) = P(X=x)

b) The cdf in this case, as in the F(x), comes out to be a step function graph on the basis of values obtained from the probability mass function.

c) To find out the probability when more women are interviewed than me, add together the matrices from when value of X is equal to 2, 3 and 4 (from part a).

7 0
3 years ago
A(n-3)+8=bn solve for n
Lelu [443]
I am pretty sure this is right

6 0
3 years ago
Read 2 more answers
Transform the standard form equation into slope intercept form:15=10x-5y
arsen [322]

Answer:

10x - 5y = 15

-5y = -10x + 15

y = 2x - 3

Step-by-step explanation:

7 0
3 years ago
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