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katrin2010 [14]
3 years ago
8

I neeeed help

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
6 0

Step-by-step explanation:

[ Refer to the attachment ]

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Rashid [163]
The radius is 8 because its half the diameter.
6 0
3 years ago
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Is the equation 4 x^2 + 2 x - 4=5 x^2<br> linear or​ quadratic?
andrew11 [14]

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Y=x<br> y=-6x–14<br><br> (substitution method)
olga_2 [115]

Answer:

The solution is the point (-2,-2)

Step-by-step explanation:

we have

y=x ----> equation A

y=-6x-14 ----> equation B

Solve the system by substitution

substitute equation A in equation B

x=-6x-14

Solve for x

6x+x=-14\\7x=-14\\x=-2

Find the value of y

substitute the value of x in the equation A

y=x

so

y=-2

therefore

The solution is the point (-2,-2)

3 0
3 years ago
When I woke up it was 37° during the day the temperature increase 14° and then begin to decrease when I went to bed it was 29° h
GREYUIT [131]
Answer: The temperature decreased by 22 degrees

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3 0
3 years ago
If the H.C.F of 210 and 55 is expressible in the form of 210*5 + 55y , find 'y' ?
Ilya [14]

Answer:

y = - 19

Step-by-step explanation:

Express 210 and 55 as products of their prime factors, that is

210 = 2 × 3 × 5 × 7

55 = 5 × 11

Identify the prime factors that both numbers have in common and multiply them.

Here only 5 is common, thus

HCF = 5

Thus

5 = 210 × 5 + 55y, that is

5 = 1050 + 55y ( subtract 1050 from both sides )

- 1045 = 55y ( divide both sides by 55 )

y = - 19

7 0
3 years ago
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