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lisov135 [29]
3 years ago
8

Which equation is true for the value x = 15?

Mathematics
1 answer:
boyakko [2]3 years ago
4 0
The third one because 2(15+5)=2(20)=40
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Anyone able to answer this?
Ksivusya [100]

Answer:

B) (4,5)

Step-by-step explanation:

Hope this helps.. (again)

3 0
2 years ago
Read 2 more answers
Whoops i forgot to read the lesson :P 30 points
andriy [413]

Step-by-step explanation:

I'll do 2.

Alright,Alex let say we have factored a quadratic into two binomial, for example

(5x + 3)(6x - 4)

If we set both of those equal to zero

(5x + 3)(6x + 4) = 0

We can used the zero product property in this case to find the roots of the quadratic equation.

This means that

if  \: ab = 0 \: then \: a = 0 \: and \: b = 0

This means we set each binomal equal to zero to find it root.

5x + 3 = 0

5x =  - 3

x =  -  \frac{3}{5}

6x + 4 = 0

6x =  - 4

x =  -  \frac{2}{3}

So our roots are negative 3/5 and negative 2/3 using zero product property

6 0
2 years ago
?????????????????????
Natalija [7]

I have no clue at all

5 0
3 years ago
What is the standard form of x + 4 -5x -2
nata0808 [166]
-4x-2+4
or -4x+4-2
Without variable they can go in any order.
3 0
3 years ago
What is the X-INTERCEPT (x, 0) of the equation x - 3y = 7
BabaBlast [244]

Answer:

7

Step-by-step explanation:

When finding the x intercept you replace the y with 0 leaving only x=7

8 0
3 years ago
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