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kipiarov [429]
3 years ago
5

What quantity should be added to both sides of this equation to complete the square x^2+12x=-15

Mathematics
1 answer:
anzhelika [568]3 years ago
5 0

Answer:

36

Step-by-step explanation:

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3/5 times 7/10 divided by 2 7/10
Elza [17]

Answer: _

7/45 or 0.15

Step-by-step explanation:

I just did it

4 0
4 years ago
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3kg of apples and 8kg of grapes costs €7.60 in total 5kg of apples and 3kg of grapes costs €7.50in total work out the costs of a
ki77a [65]

Answer:

1kg of apple : €0.50

1kgof grapes : €1.20

Step-by-step explanation:

15kg of apples and 40kg of grapes costs €38

15kg of apples and 9kg of grapes costs €22.50

38 - 22.50 = 15.5

40 - 9 = 31

15.5 ÷ 31 = 0.5 ( 1kg of grapes )

0.5 × 3 = 1.5

7.5 - 1.5 = 6

6 ÷ 5 = 1.2 ( 1kg of apples )

4 0
3 years ago
Ellie is making a batch of pancakes
lys-0071 [83]

Answer:

Ellie needs 1.2 or 1 1/5 cups of flour (as 2/10 simplifies to 1/5).

Please mark me brainliest if this helped!

7 0
3 years ago
Read 2 more answers
A taxi service charges a flat fee of $1.25 and $0.75 per mile. If Henri has $14.00, which of the following shows the number of m
Nadya [2.5K]
The total cost of the taxi service is the flat free and the total amount that is based on the distance. Let x be this distance. The equation that would best represent the situation is,
                                              1.25 + 0.75x = 14
Solving for x gives the answer of 17. Thus, Henri can afford to travel 17 miles.
8 0
3 years ago
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Find the slope of the line passing through the points (-5, 3) and (7, 9) ​
rodikova [14]

\sf{\red{Answer}}

\sf{m =  \frac{1}{2} }

\sf{\purple{Explanation}}

\sf{m =  \frac{y_{2}- y_{1}}{m_{2} - m_{1}} }

\sf{m =  \frac{9- 3}{7- ( - 5)} }

\sf{m =  \frac{6}{7 +  5} }

\sf{m =  \frac{6}{12} }

\sf{m =  \frac{1}{2} }

3 0
2 years ago
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