3 years ago

Help Me Number 6 or if you can help me with number 7 if you want too ☺️

1 answer:

7 0

Simply use the formula they give you. For question 6, 4 is the radius. So the area of the circle is 4pi. Now for seven you do the same thing, but they gave you the diameter instead and it’s a half circle. So try that one on your own. Let me know if you get stuck

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15. 3x – 4y = -1 5x + 2y = 7

never [62]

Answer:

x = 1, y = 1

Step-by-step explanation:

3x - 4y = -1

5x + 2y = 7

If we multiply the whole second equation by 2, we get:

10x + 4y = 14

Adding this to the first equation:

10x + 4y + 3x - 4y = 14 - 1

13x = 13

x = 1

Applying this to the second equation:

5 (1) + 2y = 7

2y = 2

y = 1

8 0

3 years ago

What is thirty times twenty

wariber [46]

Answer:

600

Step-by-step explanation:

How to do it in your head (secret):

3*2 = 6

add 2 zeros after the 6 since there are 2 zeros in total in this equation 20 and 30 so:

30*20 = 600

6 0

3 years ago

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the three lines shown in the diagram below intersect at the same point .the measures of some of the angles in degrees are given

Ivenika [448]

Answer:

I think you forgot to add the diagram. Add a picture and I will be able to help

Step-by-step explanation:

6 0

3 years ago

Is 0.018 a reasonable answer for 1.8×100

faltersainse [42]

No, the correct answer would be 180. Just pretend there's no decimal.

6 0

3 years ago

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The measure of angle 1 is (10x+8)° and the measure of angle 3 is (12x-10)

Katena32 [7]

Answer:

82*

Step-by-step explanation:

10x+8 = 12x-10

18 = 2x

X=9

Angle 1 = 98*

Angle 3 = 98*

180 - 98* = 82*

4 0

3 years ago