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Luda [366]
2 years ago
15

8. Stephanie bought a pair of earrings for $3.25 and a necklace for

Mathematics
1 answer:
Marysya12 [62]2 years ago
6 0

Answer:

the answer is 9.56

Step-by-step explanation:

3.25 + 5.25 = 8.50 ÷ 8 = 1.06 + 8.50 = 9.56

hope it helps :)

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Use properties of addition and subtraction to evaluate the expression <br> -42 - 29 - 28
Setler [38]
(-42) (-29) (-28)
-42 - 29 = -71
-71 - 28 = -99

-99 is your answer

hope this helps
7 0
3 years ago
How can the equation of a parabola be derived when given the focus and the directrix?
pickupchik [31]
The distance between any point (x0,y0) on the parabola and the focus (m,n) is the same as the distance between (x0,y0) and the directrix line ax+by+c. The distance between (x0,y0) and focus (a,b) is \sqrt((x-m)^2+(y-n)^2). The distance between (x0,y0) and ax+by+c is |ax0+by0+c|/\sqrt(m^2+n^2).  Equalize these two expressions.
4 0
3 years ago
Equations in the Form y = ax^2
ra1l [238]

Answer:

2

Step-by-step explanation:

It's 2 because 4^2 is 8 and 1^2 is 2 so that's how I got my answer

8 0
2 years ago
50000000000000000000253554126x255412699852
Alja [10]

Answer:

1.277063499260000000006476094388e+40

Step-by-step explanation:

I used a calculator :)

6 0
3 years ago
Read 2 more answers
Factor the expression using the GCF.<br><br> 18h+30k<br><br> The factored form is <br> .
Murljashka [212]

Answer:

6(3h+5k)

Step-by-step explanation:

18h+30k

Factors of 18:

1, 2, 3, 6, 9, 18

Factors of 30:

1, 2, 3, 5, 6, 10, 15, 30

GCF of 18 and 30: 6

18h+30k = 6(3h+5k)

Check your answer:

6(3h+5k)

6(3h) + 6(5k)

18h + 30k

Hope this helps!

7 0
2 years ago
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