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3 years ago

Pi x 5 what do you do with this I do not understand

Mathematics

1 answer:

qaws [65]3 years ago

5 0

You would be multiplying pi (3.14) by the number 5

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The sum of 4 consecutive number is 330 what is the sum of the largest and the smallest number

Drupady [299]

X + x + 1 + x + 2 + x + 3 = 330
4x + 6 = 330
4x = 324, x = 81
Smallest number: 81
Biggest number: 81 + 3 = 84
Sum: 81 + 84 = 165
The answer is 165

3 0

2 years ago

How do I solve for the missing lengths?

Advocard [28]

Answer:

Part 4) $ER=3\ units$

Part 5) $DF=9\sqrt{10}\ units$

Part 6) $DE=30\ units$

Step-by-step explanation:

Part 4) Find ER

we know that

In the right triangle ERF

Applying the Pythagorean Theorem

$EF^2=ER^2+RF^2$

substitute the given values

$(3\sqrt{10})^2=ER^2+9^2$

solve for ER

$ER^2=(3\sqrt{10})^2-9^2$

$ER^2=90-81\\ER^2=9\\ER=3\ units$

Part 5) Find DF

we know that

In the right triangle DRF

Applying the Pythagorean Theorem

$DF^2=DR^2+RF^2$

substitute the given values

$DF^2=27^2+9^2$

$DF^2=810\\DF=\sqrt{810}\ units$

simplify

$DF=9\sqrt{10}\ units$

Part 6) Find DE

we know that

$DE=DR+RE$ ----> by segment addition postulate

we have

$DR=27\ units\\RE=ER=3\ units$

substitute

$DE=27+3=30\ units$

3 0

2 years ago

Gilbert bought 3 shirts for $15.90 each, including tax. How much did he spend

Nezavi [6.7K]

15.90 times 3 equals your answer 47.70 hope I helped

6 0

3 years ago

Read 2 more answers

What is the lowest common factor of 12 and 15

dimaraw [331]

<span>The factors of 12 are : 1, 2, 3, 4, 6, 12.
The factors of 15 are : 1, 3, 5, 15.
1 and 3 are the only common factors (numbers which are factors of both 12 and 15).</span>
<span>Therefore, the highest common factor of 12 and 15 is 3.</span>

7 0

3 years ago

Read 2 more answers

5x - 10 = 0 in division property of equality form

arsen [322]

Answer:

x = 2

Step-by-step explanation:

5x = 10

x = 2

3 0

3 years ago