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dexar [7]
3 years ago
9

Is this all correct? first one to answer is brainliest

Mathematics
1 answer:
artcher [175]3 years ago
5 0
From what i can see, yes!
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Find the area of a circle with a diameter of four
Elis [28]

Answer:

12.57

Step-by-step explanation:

the formula for the area of a circle is \pi r^{2}

the diameter is 2 times the radius, so dividing it by 2 gives you a radius of 2

substitute the 2 for the r in the formula and solve

\pi 2^{2}

4\pi

≈12.57

7 0
3 years ago
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Rewrite the following polynomial in standard form
blagie [28]

Answer:

-7x³ - ⅑x - 1

Step-by-step explanation:

A polynomial written in standard form would be written in such a way that the term with the highest degree comes first, followed by the second highest and so on, then what comes last is the constant.

Given the polynomial -7x³ - 1 - ⅑x, -7x³ with the highest degree comes first, followed by -⅑x, and then the constant, -1, comes last.

Thus, we would have:

✅-7x³ - ⅑x - 1

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2 years ago
Pls help!!!!Shawn used 15 centimeters of tape to wrap 5 presents . How much tape will Shawn need I all if he has to wrap 13 pres
Ilia_Sergeevich [38]

Answer:39

Step-by-step explanation:

15÷5=3

3×13=39

3 0
3 years ago
(4x+7)=(6x-63) whats value of x
Ivenika [448]

Answer:

35

Step-by-step explanation:

6x-4x= 2x

+63+7=70

70/2=35

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3 years ago
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A slow growing tree grows 3/4 foot each year . About how much will the slow tree grow in 8 1/2
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