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Margaret [11]
3 years ago
9

the radius of a circle is 3 inches. what is the area of the sector bounded by a 90° arc? answer in simplest form

Mathematics
2 answers:
Kisachek [45]3 years ago
5 0
1/4 x Pi x 3 ^2

Quarter x Pi x 3 squared
amm18123 years ago
4 0
If the radius of the circle is 3 inches, then the area would be found by using the formula \pi r^2. You plug it in, and the formula would get us that the area is 9 \pi square inches. Since \frac{360}{90} would equal 4, you would do \frac{9}{4}, which would equal 2 \frac{2}{5}

SORRY IF MY TEX FAILS
 
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3 years ago
Solve 2(9-x) = 3 ( x +16 )
andreyandreev [35.5K]

Answer: x=-6

Step-by-step explanation:

Let's solve your equation step-by-step.

2(9−x)=3(x+16)

Step 1: Simplify both sides of the equation by distribution

2(9-x)=3(x+16)\\(2)(9)+(2)(-x)=(3)(x)+(3)(16)\\18+-2x=3x+48\\-2x+18=3x+48\\

Step 2: Subtract 3x from both sides.

-2x+18-3x=3x+48-3x\\-5x+18=48

Step 3: Subtract 18 from both sides.

-5x+18-18=48-18\\-5x=30

Step 4: Divide both sides by -5.

\frac{-5x}{-5} =\frac{30}{-5} \\x=-6

3 0
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Mice21 [21]
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5 0
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Please i need the step-by-step solution please thank you ​
Sergio [31]

Answer:

Question 6: -8

Question 7: C

Step-by-step explanation:

Question 6:

The reason question 6 is -8 is because of the distance in between each number, e.g -7 and -15. This is not to be confused with + 8 each time that would make the sequence 9, 18, 27.

Question 7:

The way we solve this question is using the nth term rule, whatever is before the n is the times tables we follow. So if it is 2n the sequence would be 2, 4, 6, 8 etc. However when we add something like the -2 we do the 2 times tables but this time we -2 for each one. Example: 2 - 2 = 0 so the first number of the sequence is 0, Example 2: 4-2 = 2 so the second number of the sequence is 2.

3 0
2 years ago
Read 2 more answers
The irrational number square root 67 is greater than [blank]
Tanya [424]

Answer:

The irrational number square root 67 is greater than whole number 8

Step-by-step explanation:

Given

\sqrt{67

Required

Complete the sentence

No options are given.

So, we will solve the expression then compare it with the nearest smallest integer

First, we solve the given expression

\sqrt{67

\sqrt{67} \approx 8.185

By comparison:

8.185 > 8

<em>This implies that, the blank will be completed with 8</em>

3 0
2 years ago
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