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2 years ago

What is the radius and diameter of the following circle?

Mathematics

2 answers:

Alexeev081 [22]2 years ago

7 0

The radius is 11cm and the diameter is 22cm

Darya [45]2 years ago

6 0

Answer:

The radius is 11 the diameter is 22

Step-by-step explanation:

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Draw a rectangle that has an area of 8 units square and a perimeter of 12 units. What are the side lengths

choli [55]

Answer:

4 by 2

Step-by-step explanation:

you can basically guess and check with this question but I knew if it was a rectangle then 2 sides would be larger than the other. So I started off figuring out what times what equals 8 and I got 2 and 4. So I put those in for the side lengths and I got 12.

8 0

2 years ago

I don’t understand this one

Masja [62]

Answer:

see below

Step-by-step explanation:

Put -1 where x is in each expression and evaluate it.

You will find that the expression is zero when the numerator is zero. And you will find the numerator is zero when it has a factor that is equivalent to ...

(x +1)

Substituting x=-1 into this factor makes it be ...

(-1 +1) = 0

Evaluating the first expression, we have ...

$\dfrac{4(x+1)}{(4x+5)}=\dfrac{4(-1+1)}{4(-1)+5}=\dfrac{4\cdot 0}{1}=0$

This first expression is one you want to "check."

You can see that the reason the expression is zero is that x+1 has a sum of zero. You can look for that same sum in the other expressions. (The tricky one is the one with the factor (x -(-1)). You know, of course, that -(-1) = +1.)

5 0

3 years ago

1 3<br> y = -x - 4<br> 2<br> What is the h value

jasenka [17]

Answer:

Step-by-step explanation:

231

8 0

2 years ago

If 0 is a positive acute angle and 2 cos 0+3 = 4,<br> find the number of degrees in 0.

Lemur [1.5K]

Answer: 1 0 is like x you solve for x. X= 1 0=1

4 0

2 years ago

Please answer ASAP DUE AT 8 BRAINLIEST

sergiy2304 [10]

Answer:

the perimeter is 11cm and the area is 7cm^2

Step-by-step explanation:

NP =PS, meaning they have the same length. so the perimeter is 3.5 + 4 + another 3.5.

For the area imagine you cut the triangle in half. from P to the middle of NS. Put the 2 triangle halves together to form a rectangle. (PS is now touching NP). This would be a 2x 3.5 rectangle. 2x 3.5 is 7, meaning both this imagined rectangle and the triangle have an area of 7cm^2.

7 0

3 years ago