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3 years ago

Can someone please help me

Mathematics

1 answer:

Nana76 [90]3 years ago

5 0

Answer:

choice one

Step-by-step explanation:

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A circular swimming pool is 21 feet in

Aleksandr [31]

Answer:

G. 66 feet

Step-by-step explanation:

Radius = 21/2 = 10.5

Circumference

2 × 3.14 × 10.5

65.94 feet

6 0

3 years ago

Find the product of 2x^4(4x^2 + 3x + 1).

lianna [129]

We want to find the product:

$\displaystyle{ 2x^4\cdot(4x^2 + 3x + 1)$ .

By the $\text{Distributive property}$ , we distribute $2x^4$ over each of the three terms inside the parenthesis:

$\displaystyle{ 2x^4\cdot(4x^2 + 3x + 1)=2x^4\cdot4x^2+2x^4\cdot3x+2x^4\cdot1$ .

Multiplying the coefficients, and adding the exponents we get:

$8x^6+6x^5+2x^4$ .

Answer: $8x^6+6x^5+2x^4$ .

5 0

3 years ago

Simplify 72 meters over1.5 cenimeters

trasher [3.6K]

We have 1 m = 100cm
⇒ 72 m = 7200 cm
⇒ 7200 / 1.5= 4800 cm = 48 m

7 0

3 years ago

Read 2 more answers

Part C If you use 10^-4 as the power of 10, what is the mass of an average grain of rock salt?

sleet_krkn [62]

Answer:

120 x 10^-4

Step-by-step explanation:Multiplying 1.2 by 10^2 and multiplying 10^-2 by 10^-2.Gives 120 x 10^-4 So, the mass of an average grain of rock salt is 120 x 10^-4 .

6 0

3 years ago

Find the measure of the missing angles! Pls help thank you

Bond [772]

Answer:

Step-by-step explanation:

d = 52°

e = 77°

f = 180° - ( 52° + 77° ) = 51°

3 0

2 years ago