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Dima020 [189]
3 years ago
15

Please help me! I’ll mark you Brainliest!

Mathematics
2 answers:
shutvik [7]3 years ago
6 0

Answer:

1)m = 5 \\ 2)y = 26

Naily [24]3 years ago
6 0

Answer:

m = 5

y = 26

Step-by-step explanation:

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Solve the quadratic equation by completing the square.x^2-14x+46=0First choose the appropriate form and fill in the blanks with
Kaylis [27]

x² - 14x + 46 = 0

subtract 46 from both-side

x² - 14x = -46

Add the square of the half of the co-efficient of x

x² - 14x + (-7)² = -46 + 7²

(x-7)² = -46 + 49

(x-7)² =3

Take the square root of both-side

x-7 = ±√3

x-7= ±1.732

Add 7 to both-side of the equation.

x= 7 ± 1.732

Eithe x= 7 + 1.732 or x= 7 - 1.732

x=8.732 or x=5.268

Therefore x = 8.732 , 5.268

7 0
1 year ago
If Sophia purchases n songs for .99 cents each, write an expression for the total cost.
kodGreya [7K]

Answer:

I think the answer would be n×0.99

Step-by-step explanation:

the answer will be n×0.99 because she bought for example n=7 each for 99 cents. to find the total you would have to do 7x0.99. Hope this help you

3 0
3 years ago
Read 2 more answers
What would 18^72+27(36)+36 be
Semmy [17]

Answer:

u can use a calculator

Step-by-step explanation:

use BODMAS rule

7 0
2 years ago
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Kate has a coin collection. She keeps 7 in a box, which is only 5% of her entire collection. What is the total number of coins i
qaws [65]

Answer:

140

Step-by-step explanation:

5%/100 = 7/?

7 times 100 = 700

700 divided by 5 = 140 coins

5 0
2 years ago
A population of 200 animals is decreasing by 4% per year. At this rate, in how many years will the population be less than 170?
djyliett [7]
The population will be less that 170 in 4 years
8 0
3 years ago
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