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Delicious77 [7]
3 years ago
9

Please help i will give brainliest :) question is in picture

Mathematics
2 answers:
arlik [135]3 years ago
8 0

Answer: The answer is B

Step-by-step explanation:

<h3>   The formula is 2πr.</h3><h3>   2 * 3.14 * 7</h3><h3>   6.28 *7 </h3><h3>= 43.96</h3>
Goryan [66]3 years ago
6 0

Answer:

C. 43.96

Step-by-step explanation:

2 × 3.14 × 7

Equation is 2×pi×radius

You might be interested in
The first three terms of a geometric sequence are
Lisa [10]

Answer:

a4 = 128

a5 = -512

Step-by-step explanation:

a1= -2

q= (-1)^(n+1) × 4

a4 = a1q³ = (-2) (-4)³ = -2 × -64 = +128

a5 = a1q⁴ = (-2) (-4)⁴ = -2 × 256 = -512

3 0
2 years ago
For each value of y, determine whether it is a solution to -2y+75-5.<br> Is it a solution?
ser-zykov [4K]

Answer:

• No

• Yes

• Yes

• No

Step-by-step explanation:

To determine if the 4 given values of y are solutions to the inequality, start by solving the inequality. Solving an inequality is just like that of an equation, except that the direction of the sign changes when the inequality is divided by a negative number.

-2y +7≤ -5

Subtract 7 on both sides:

-2y≤ -5 -7

-2y≤ -12

Divide by -2 on both sides:

y≥ 6

This means that the solution can be 6 or greater than 6.

-10 and 3 are smaller than 6 and are not a solutions, while 7 and 6 satisfies the inequality and are therefore solutions.

_______

Alternatively, we can also substitute each value of y into the inequality and check if the value is less than or equal to -5.

Here's an example to check if -10 is a solution.

-2y +7≤ -5

When y= -10,

-2y +7

= -2(-10) +7

= 20 +7

= 27

Since 27 is greater than 5, it is <u>not</u> a solution to the inequality.

3 0
2 years ago
PLZ HELP ME I NEED HELP I WILL GIVE A BRAIN
mezya [45]
Hey!!
Here is the answer to your question
1- B
2-A
5 0
3 years ago
What are the solutions of x2 +6x-6 = 10?
nalin [4]

Answer:

x=2,-8

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP MEEEEE!!!!
defon

Answer:

5

Step-by-step explanation:

The leading coefficient is the coefficient with a variable with the greatest exponent.The exponent is the number you would say "the power to". What I mean is let's say you have this number: 3^{2} . The exponent would be 2 in this equation because it's saying what power 3 is too. Therefore, 5 is the leading coefficient.

8 0
3 years ago
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