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Bas_tet [7]
4 years ago
13

What is 2 2/3 x 15 plz help for my hw

Mathematics
2 answers:
SIZIF [17.4K]4 years ago
3 0
The answer is 40.You should change the 2 2/3 to improper fraction and the times it with 15.
Savatey [412]4 years ago
3 0
We can distribute
remember, a(b+c)=ab+ac

2 and 2/3=2+2/3

so 2 and 2/3 times 15=15(2+2/3)=15(2)+15(2/3)=30+(30/3)=30+10=40
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Can someone please answer these for me I’m very confused. I need the answers by 20 minutes
Kipish [7]

Answer:

12) y = 2x + 8

13) ( -4, 3)

14) y + 3 = 1(x + 2) ; y = x - 1

Step-by-step explanation:

12) ( -2, 4) and (1, 10)

m=(y2-y1)/(x2-x1)

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13)

y - y1 = m(x - x1)

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7 0
3 years ago
The zeros of a parabola are 6 and −5. If (-1, 3) is a point on the graph, which equation can be solved to find the value of a in
Elena L [17]

ANSWER

3= a( - 1 +6)( - 1  - 5)

EXPLANATION

The equation of a parabola in factored form is

y = a(x + m)(x + n)

where 'a' is the leading coefficient and 'm' and 'n' are the zeros.

From the question, the zeros of the parabola are 6 and −5.

This implies that,

m = 6 \:  \: and \:  \: n =  - 5

We plug in these zeros to get:

y= a(x +6)(x  - 5)

If (-1, 3) is a point on the graph of this parabola,then it must satisfy its equation.

We substitute x=-1 and y=3 to obtain:

3= a( - 1 +6)( - 1  - 5)

The first choice is correct.

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3 years ago
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