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Lapatulllka [165]
3 years ago
9

Solve for x x2 + 14x + 49 = 0

Mathematics
1 answer:
Allisa [31]3 years ago
4 0
-3.0625 is the answer to x
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A survey of 2400 was given to people who owned a certain type of car, 960 said they would buy that type of car again. What perce
nalin [4]

Divide the number satisfied by total people surveyed then multiply by 100 for the percent.

960/2400 = 0.4

0.4 x 100 = 40%

The answer is 40%

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3 years ago
What is the answer to the problem 1/2x=14
Iteru [2.4K]
The answer to your problem is 28. 
5 0
3 years ago
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Roy is twice as old as Joan, and in 3 years the sum of their ages will be 21 years. Find their present ages.
Lisa [10]

Answer:

Roy is 10 years old at present and Joan is 5 years old at present

Step-by-step explanation:

Let

x----> Roy's age

y----> Joan's age

we know that

x=2y ----> equation A

(x+3)+(y+3)=21 ----> equation B

substitute equation A in equation B

(2y+3)+(y+3)=21

solve for y

3y+6=21

3y=21-6

3y=15

y=5 years

Find the value of x

x=2y  ----> x=2(5)=10 years

therefore

Roy is 10 years old at present

Joan is 5 years old at present

8 0
3 years ago
What is 33 1/3 % in percent
NemiM [27]
The answer is 4.29 is the percent
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3 years ago
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