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Aleks04 [339]
3 years ago
15

PLZ help me i cant figure out these 2 questions!!!!!!!!

Mathematics
2 answers:
Hatshy [7]3 years ago
4 0
Number 1 is a because you would minus 1 from both sides to get the x alone.

motikmotik3 years ago
3 0
4)
first and last are your answers

x + 1 = 7
6+ 1 = 7
7 = 7 (true)

6(x+2)=2x-5(x-8)+26
6(6+2) = 2(6) - 5(6-8) +26
6(8) = 12 - 5(-2) + 26
48 = 12 + 10 + 26
48 = 48 (true)

5)
first and last are your answers

3(2/5)+4=5 1/5
6/5 +4=26/5
6/5 20/5 = 26/5
26/5 = 26/5 (true)

1/3 (2/5) + 5/3 = 2(2/5)+1
2/15 + 5/3 = 4 /5 + 1
2/15 + 25/15 = 12/15 + 15/15
27/15 = 27/15 (true)


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4 0
3 years ago
A town has a population of 14,000 and grows 5% every year. What will be the population after 14 years, to the nearest whole numb
hammer [34]

Answer:

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0 0
3 years ago
suppose a parabola has an axis of symmetry at x = -8, a maximum height of 2, and passes through the point (-7, -1). Write the eq
lesya [120]

Answer:

<h3>            f(x) = - 3(x + 8)² + 2</h3>

Step-by-step explanation:

f(x) = a(x - h)² + k   - the vertex form of the quadratic function with vertex    (h, k)

the<u> axis of symmetry</u> at<u> x = -8</u> means h = -8

the <u>maximum height of 2</u> means  k = 2

So:

f(x) = a(x - (-8))² + 2

f(x) = a(x + 8)² + 2   - the vertex form of the quadratic function with vertex   (-8, 2)

The parabola passing through the point (-7, -1) means that if x = -7 then        f(x) = -1

so:

    -1 = a(-7 + 8)² + 2

 -1 -2 = a(1)² + 2 -2

      -3 = a

Threfore:

The vertex form of the parabola which has an axis of symmetry at x = -8, a maximum height of 2, and passes through the point (-7, -1) is:

                                 <u>f(x) = -3(x + 8)² + 2</u>

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3 years ago
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If a couple has 3 children what is the probability that at least one is a girl
postnew [5]

Answer:1:1

Step-by-step explanation:

3 0
3 years ago
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