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3 years ago

Write this number in expanded form 20,484,163

Mathematics

2 answers:

viva [34]3 years ago

8 0

Twenty million, four hundred and eighty four thousand, one hundred and sixty three.

svetoff [14.1K]3 years ago

7 0

(2·10,000,000) +(4·100,000)+(8·10,000)+(4·1000)+(1·100)+(6.10)+(3·1)
the dots nean multiply

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The lengths of the sides of a triangle are in the ratio

Anton [14]

HOW TO SOLVE:

1) use x as a variable
2) the starting equation is:
  4x + 3x + 5x = 18

3) add all the like terms on the left side of the equation:
  12x = 18

4) Divide by 12 on both sides:
  x=1.5

5) Find the lengths of the sides:

- 4x = 4(1.5) = 6

- 3x = 3(1.5) = 4.5

- 5x = 5(1.5) = 7.5

SO, the lengths of the sides of this triangle are: 6, 4.5, and 7.5

5 0

3 years ago

Each student wears a name tag while at the aquarium the name tags are rectangles that are three inches long and five inches wide

Marrrta [24]

Answer:

15 in2

Step-by-step explanation:

3*5= 15

length*width= area

Hope it helped!!!

PLZ GIVE BRAINLIEST!!!!!

7 0

3 years ago

Read 2 more answers

Trevor tutors French for $12 an hour and scoops ice cream for $8 an hour. He is going to work 20 hours this week. At least how m

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

Let M = total amount of money earned

M = 12x+8y

To make more than $190, the equation is:

190<12x+8y

Since Trevor is going to scoop ice cream for 20 hours, the equation is:

190<12x+8(20), which simplifies to 190<12x+160.

Isolate x to find the amount of hours that Trevor needs to tutor.

190-160<12x

30<12x

30/12<x

2.5<x

Trevor must tutor for more than 2.5 hours to make more than $190.

4 0

3 years ago

Read 2 more answers

Complete the table for the given rule.<br> Rule: y = x + 8<br> (there’s and image with the problem.)

borishaifa [10]

<h2><em>Okay so these are the answers from top to bottom.</em></h2><h2><em>x = 2 and y = x + 8 so 2 + 8 = 10.</em></h2><h2><em>x = 0 and y = x + 8 so 0 + 8 = 8.</em></h2><h2><em>x = 4 and y = x + 8 so 4 + 8 = 12.</em></h2><h2><em>10</em></h2><h2><em>8</em></h2><h2><em>12</em></h2><h2><em>Hope this helps and have a great day...!</em></h2>

4 0

2 years ago

Read 2 more answers

On a standardized exam, the scores are normally distributed with a mean of 165 and astandard deviation of 40. Find the z-score o

vladimir1956 [14]

The Z-score is calculated by the formula below

$\begin{gathered} z-score=\frac{(x-\mu)}{\sigma}_{} \\ \mu=\operatorname{mean} \\ \sigma=s\tan dard\text{ deviation} \\ x=\text{score} \end{gathered}$

Step 2: Substitute the given parameters in the formula

$\begin{gathered} z-\text{score}=\frac{145-165}{40} \\ Z=-\frac{20}{40} \\ Z=-\frac{1}{2} \\ Z=-0.5 \end{gathered}$

Hence, the z-score of a person who scored 145 on the exam is -0.5

8 0

1 year ago