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AleksandrR [38]
3 years ago
6

How do solve this problem -45=28-13+10b

Mathematics
2 answers:
Reika [66]3 years ago
4 0
This simplifies to b=-6

-45 -28 + 13 = 10b

b = -60/10 = -6
azamat3 years ago
3 0
(28-13) = 15
-45 = 15 + 10b
-15  -15
-60 = 10b
Divide each side by 10
-6 = b
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zloy xaker [14]

Answer:

x=5.333

y=3

Step-by-step explanation:

given, y=5-2............(1)

1-3x+y=-12...............(2)

y=5-2=3

put y=3 in equ (2)

1-3x+3=-12

1+3+12=3x

3x=16

x=\frac{16}{3}

x=5.333

hence, x=5.333

           y=3               answer

7 0
3 years ago
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allsm [11]

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7 0
3 years ago
HELP PLEASE. A pizza shop charges customers based on the area of the pizza they order. The cost of a pizza in dollars can be rep
san4es73 [151]

For this case we have that the cost of each pizza is given by the following function:

S (r) = 0.1 \pi * r ^ 2

Where:

r: It's the radius of the pizza

IF a pizza cost $26.32 we have:

26.32 = 0.1 \pi * r ^ 2

We cleared the radius, using \pi = 3.14:

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Option B

4 0
3 years ago
Read 2 more answers
What are the real numbers that are greater than -6 but less than 6
Lisa [10]
-5,-4,-3,-3,-2,-1,1,2,3,4,5
hopefully that helps
6 0
3 years ago
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A gumball machine has 330 red gumballs. If the red gumballs are 75% of the total number of gumballs, how many gumballs are in th
patriot [66]
75% = 330 gumballs

Find 1%:
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Find 100%:
100% = 4.4 x 100 = 440 gumballs.

Answer: 440 gumballs.
3 0
3 years ago
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