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3 years ago

Linear equations assignment:

Mathematics

1 answer:

Daniel [21]3 years ago

6 0

Answer:

20 laps

Step-by-step explanation:

2 times = +1 dollars for Paula, +0.50 dollars for Jacki

Try multiplying it the least amount of times to Paula can have more and so 20 times and Paula will have 20 dollar sand Jacki will have 19.75, therefore she needs to do 20 laps.

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Somebody please help me

jolli1 [7]

Answer:

A). Scale factor = $\frac{1}{4}$

B). Length of the unknown side = 2.75 feet

Step-by-step explanation:

Part A

Since, the large rectangle was scaled by a scale factor 'k' to form the smaller rectangle,

Scale factor = $\frac{\text{Side length of the image}}{\text{Side length of the preimage}}$

= $\frac{\text{Side length of the smaller rectangle}}{\text{Side length of the larger rectangle}}$

= $\frac{4}{16}$

= $\frac{1}{4}$

Part B

Scale factor = $\frac{\text{Side length of the smaller rectangle}}{\text{Side length of the larger rectangle}}$

$\frac{1}{4}=\frac{\text{Side length of the smaller rectangle}}{11}$

Therefore, side length of the unknown side = $\frac{11}{4}$ = 2.75 feet

8 0

3 years ago

If 5% of an amount equals 800,000, then what is that amount? Please I confused, can someone help me!

kondor19780726 [428]

Answer:

the amount is 16,000,000

Step-by-step explanation:

first let that amount be Y for an example. so...

$\frac{5}{100}*Y=800,000$

$\frac{5Y}{100}=800,000$

$5Y=800,000*100$

$5Y=80,000,000 (then you both divide by 5 in both sides so that Y is left alone.)$

$So Y=16,000,000$

so the amount you are looking for is 16,000,000

7 0

3 years ago

Which number is in the correct format for scientific notation?

olchik [2.2K]

Answer:

The answer to your question is: letter A

Step-by-step explanation:

Rules for using scientific notation:

1.- The number before the decimal point must be between 1 and 10.

2.- Determine the exponent

3.- It must be in decimal format, ( x 10)

A 3.8*10^12 This number is in correct scientific notation.

B 33.8* 10 This number is incorrect, because before the decimal point the number must be between 1 and 10.

C 3.8 *20^8 This number is incorrect because the power must be 10 not 20.

6 0

3 years ago

Which ordered pair is a solution of this<br> equation?<br> -3x + 7y - 6<br> =

Mumz [18]

Answer:

There are actually an infinite number of ordered pairs that will satisfy the equation y=3x+7 including (-1,4), (0,7) and (1, 10).

Step-by-step explanation:

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3 years ago

Carrie is 36 years old. She has worked in the same store for 12 years. Today, she had 63 customers. How old was Carrie when she

avanturin [10]

Answer:

A. 24

Step-by-step explanation:

7 0

3 years ago

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