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2 years ago

Can I get help? I have a hard time getting these things

Mathematics

2 answers:

TEA [102]2 years ago

7 0

C=2 pi r
2•3.14•10=62.83

lesantik [10]2 years ago

3 0

1) 31.4ft
2) 81.64m
3) 69.08cm
4) 43.96ft
1) 50inches
2)6inches
3)28.26-9.42=18.84inches
4)≈7.7

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Any of these please I’m having difficulty

frosja888 [35]

Answer:

864 squared meters

Step-by-step explanation:

Set up a proportion. The scale between 270 and 360 should be the same as 648 to the fourth yard.

$\frac{270}{360} = \frac{648}{x}\\270x = (360)(648)\\270x = 233280\\x = 864 m^2$

7 0

3 years ago

There are 53 regular pencils in the box and some colored pencils in the box. There are a total of 84 pencils. How many colored p

vodka [1.7K]

Let be "x" the number of colored pencils in the box.

According to the information given in the exercise, there are 84 pencils in the box and 53 of them are regular pencils.

Knowing this information, you can set up the following equation:

$x+53=84$

Finally, you have to solve for the variable "x" in order to find its value. In order to do this, you can apply the Subtraction property of equality by subtracting 53 from both sides of the equation:

$\begin{gathered} x+53-(53)=84-(53) \\ x=31 \end{gathered}$

The answer is: There are 31 colored pencils in the box.

7 0

1 year ago

Simplify: −3 • −26 A. −78 B. −68 C. 68 D. 78

hammer [34]

-3 x -26 = 78

meaning the answer is D.

The reason the answer is D, is because two negatives when multiplied or divided become positive. Only when multiplied or divided does this occur.

3 0

1 year ago

Kim borrowed $400 from her parents to purchase a new cell phone. The table represents Kim's repayment schedule. Which inequality

Mekhanik [1.2K]

The domain tells you about the independent variable, number of payments made. So the inequality should be smallest number of payments made ≤ variable representing payments ≤ largest number of payments made. The smallest number of payments is 0 and the largest is 8, so you'll have 
0≤variable≤8

5 0

3 years ago

Read 2 more answers

Sasha needs to write a division expression for the fraction 9/14 . She is not sure which number goes where. Help Sasha understan

Rasek [7]

(Say I'm righting to sasha)

Hi Sasha! I understand this math is hard,but I'm here to help. 9 goes on top of 14!

If we put 14 on top of 9 it would be an inproper fraction,that's when a fraction is not very easy to work with. Now, we could do 9÷14. :)

Hope dis helps!

~Learning with Natalia~

6 0

2 years ago

Read 2 more answers