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3 years ago

A=-2 and c=3 find 2c+a

Mathematics

2 answers:

irga5000 [103]3 years ago

5 0

Answer:

Answer is 4 you have to substitute the a and c

balandron [24]3 years ago

3 0

Answer:

Step-by-step explanation:

If a= -2 and c= 3 then, 2(3) + -2.

6 + -2.

Hope it helps!!!!!!!!! :))

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Find the area of sector AOB. Express your answer in terms of pi and rounded to the nearest tenth.

STatiana [176]

63 $\pi$

The sector is $\frac{70}{360}$ ; there are 360 degrees in a circle.
You use the formula $\pi r^{2}$ .
18cm is the radius, and then you square it to get 324.
Multiply 324 by $\frac{70}{360}$
You get 63 $\pi$

7 0

3 years ago

the perimeter of a rectangle is84cm and its length is 6cm longer than its breadth.find the lenth and breadth of the rectangle

mash [69]

So,the length of rectangle is 24 cm

 The breadth of rectangle is 18 cm

please see the attached picture for full solution

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4 years ago

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r-ruslan [8.4K]

Answer:

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Step-by-step explanation:

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3 years ago

What is 10^4 in standard notation

NARA [144]

Answer:

10,000

Step-by-step explanation:

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7 0

4 years ago

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Given the function f(x)=3+1/8x find a formula for the inverse function

Goshia [24]

F-1(x) = 8x - 24

You can get this by switching the x and f(x) and then solving for f(x)

f(x) = 3 + 1/8x ---> now switch them
x = 3 + 1/8f(x) ---> now subtract 3 from both sides
x - 3 = 1/8f(x) ---> now multiply both sides by 8
8x - 24 = f(x) ----> ANSWER

5 0

3 years ago