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Pavlova-9 [17]
3 years ago
14

How long is the coastline of canada

Mathematics
1 answer:
netineya [11]3 years ago
8 0
All you need to do is add 12383 and 113211 to get 125594
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–12x + 9 = –15x solve for x
KonstantinChe [14]

Answer:

hi there!

the correct answer to question is: x=-3

Step-by-step explanation:

you move -12x to the other side by adding it on both sides to get: -3x=9 then you divide -3 on both sides to get x=-3

4 0
3 years ago
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Help with the pic down below
yulyashka [42]
You multiply it to find the answer
5 0
2 years ago
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Round 1289.48 to the nearest dollar please
Ilya [14]
$1290 or you could use 1289.50
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3 years ago
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What is the solution to 11=c/-5 8?
ss7ja [257]
Is it c/-58, or is it c/-5 blank 8?

7 0
3 years ago
Eight hot dogs and seven hot dog rolls cost $\$13.60$. Seven hot dogs and eight hot dog rolls cost $\$13.40$. How much, in dolla
Maru [420]

Answer:

$1.80

Step-by-step explanation:

Let the cost of a hot dog = x

The cost of a hot dog roll = y

Eight hot dogs and seven hot dog rolls cost $\$13.60$.

8x + 7x = $13.60..... Equation 1

Seven hot dogs and eight hot dog rolls cost $\$13.40$.

7x + 8x = $13.40...... Equation 2

Combining both Equation

8x + 7x = $13.60..... Equation 1

7x + 8x = $13.40...... Equation 2

Eliminating x

Multiply 1 by 7

Multiply 2 by 8

56x + 49y = 95.2..... Equation 3

56x + 64y = 107.2 ..... Equation 4

Subtracting 4 from 3

-15y = -12

y = -12/-15

y = 0.8

Cost of one hot dog roll = $0.8

Solving for x

8x + 7x = $13.60

8x + 7(0.8) = 13.60

8x + 5.6 = 13.60

8x = 13.60 - 5.60

8x = 8.0

x = 8.0/8

x = 1.

Cost of one hot dog = $1.0

The cost in dollars of a hot dog and a hot dog roll cost combined is

x + y

= $1 + $0.8

= $1.80

3 0
2 years ago
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