3 years ago

I NEED HELP ASAPPP!!! PLEASE HELP MEEE

Mathematics

2 answers:

Fofino [41]3 years ago

6 0

C (1,3)

.............

MrRa [10]3 years ago

6 0

C:1/3 hope this helps gl:)

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What’s the circumference and the area for 4 in

Paladinen [302]

Answer:

C = 25.12 , A = 50.24

Step-by-step explanation:

$C = \pi d\\A = \pi r^{2}$

C = 8 * 3.14 = 25.12

A = (4*4) * 3.14 = 50.24

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3 years ago

I Need Help Quickly Please And Thank You

forsale [732]

Step 2: it should be P-2x, not +.

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2 years ago

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L 5.2.3 Quiz: Two-Variable Systems: Substitution

Misha Larkins [42]

Answer:

We get x=3 and y=21

The ordered pair will be: (3,21)

Step-by-step explanation:

We need to use the substitution method to solve the system of equations.

$y = 10x-9\\y = x + 18$

For substitution method we substitute the value of x or y from one equation to other.

Let:

$y = 10x-9--eq(1)\\y = x + 18--eq(2)$

Putting value of y from equation 2 into equation 1

$y=10x-9\\Put\:y=x+18\\x+18=10x-9\\x-10x=-9-18\\-9x=-27\\x=\frac{-27}{-9}\\x=3$

So, we get value of x=3

Now, for finding value of y, We substitute the value of x

Find value of x from equation 2

$y=x+18\\x=y-18$

Now, putting value of x in equation 1

$y=10x-9\\Put\:x=y-18\\y=10(y-18)-9\\y=10y-180-9\\y-10y=-189\\-9y=-189\\y=\frac{-189}{-9}\\y=21$

So, we get value of y=21

So, We get x=3 and y=21

The ordered pair will be: (3,21)

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3 years ago

Cuanto es1.3b+7.8−3.2b

DerKrebs [107]

the answer issss − 1.9 b + 7.8

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4 years ago

What is the answer to this question?

ziro4ka [17]

The answer would be a.6

5 0

3 years ago