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scZoUnD [109]
2 years ago
13

PLEASE HELP!!! I WILL GIVE BRAINY!!!

Mathematics
2 answers:
den301095 [7]2 years ago
7 0

Answer:

The first answer is 4/3 I took the test

Step-by-step explanation:

11111nata11111 [884]2 years ago
4 0
The first one is 4/3

We can solve by,

{x}^{2} \times 180 = 320

x = \frac{4}{3}

{ \frac{4}{3} }^{2} \times 180 = 320 = true

~~

The second one is 35.

Idk how to explain...

~~

The third one is a 6 - gon therefore cannot be C or D.

I'd say the third one is A., it looks like it's caving in.
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Calculate the area of the shaded sector.<br><br> 11.73<br><br> 11.2<br><br> 11.4<br><br> 11.83
laiz [17]
The formula for the area of a circle is

A=πr²
plug in the data we know
A=π4²
A=16π

Since we only we need to find the area of the shaded section, we need to twerk this equation a bit. (remember that the shaded section is 84/360 of the original circle.)

A=84/360*16π
A=11.728
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answer: <span>A=11.73 units²</span>
4 0
3 years ago
Which difference is about 10?
Helga [31]

Option B is the answer.

70.9 - 58.7

4 0
3 years ago
Does anyone know any 7th grade math? cus i really need help with this.
sladkih [1.3K]

Answer:

B

Step-by-step explanation:

All we have to do is plug in the values! 1/2(4)(10+5) will give us the area. Now we simplify!

2(15) = A

30=A

Our answer is B!

8 0
3 years ago
How do you find the percent to change of 86 to 150
bulgar [2K]

Answer:

57.3333333333

Step-by-step explanation:

you set up a equation that looks like this

                        86

___     =      ______

100                   150


you mutiply 100 by 86 and get 8600 then you divide that by 150 and get 57.333333333 as your finally answer.

4 0
3 years ago
Which equation represents a line through (-4, 3) that is perpendicular to y=x+7?
Oksana_A [137]

Answer:

B. y = -x - 1

Step-by-step explanation:

Perpendicular lines have opposite reciprocal slopes, so the slope of the new line will be -1.

Plug the slope and the given point into y = mx + b to find b:

y = mx + b

3 = -1(-4) + b

3 = 4 + b

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Then, plug this and the slope into y = mx + b

y = -x - 1

So, the correct answer is B, y = -x - 1

7 0
3 years ago
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