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2 years ago

Please help explain good luck

Mathematics

2 answers:

Tcecarenko [31]2 years ago

8 0

Answer:

Step-by-step explanation:

Remember to follow PEMDAS. Note that, when multiplying or dividing:

1) one positive and one negative = negative number

2) two positive = positive number

3) two negative = positive number

(-7)(-5) = -7 * -5 = 35

+(-8) = +1 * -8 = -8

Subtract:

35 - 8 = 27

27 is your answer.

Yanka [14]2 years ago

3 0

first do -7 times -5 because Parentheses means multiplication. After, you would add your answer to -8. Your answer would be 27.

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A car travels 15 1/10 miles in 1/3 of an hour. What is the average speed, in

jasenka [17]

Step-by-step explanation:

Miles = 15 1/10

Miles = 151/10 miles

Hour = 1/3 hour

Av = 151/10 miles / 1/3 hour

Av = 151/10 × 3 / 1/3 × 3

Av = 453/10 miles / hour

Av = 45,3 mil / h

4 0

2 years ago

Read 2 more answers

Ms.Wright opens a savings account with a deposit of $800. The bank will pay her 3% interest per year A.) how much interest will

Norma-Jean [14]

A) Ms.Wright receive $12 as interest at the end of 1/2 year.

B) Ms.Wright receive $24 as interest at the end of 1 year.

Step-by-step explanation:

The sum deposited in the bank = Principle = $800

The rate of simple interest = 3%

The time = 6 months = (6/12) years = 0.5 years

$\textrm{SIMPLE INTEREST} = \frac{P \times R \times t}{100} \\\implies SI = \frac{800 \times 3 \times 0.5}{100} = 12$

So, here simple interest = $12.

So Ms.Wright receive $12 as interest at the end of 1/2 year.

B) Now here Time = 1 year

so, Simple interest = $\frac{800 \times 3 \times1 }{100} = 24$

So Ms.Wright receive $24 as interest at the end of 1 year.

3 0

2 years ago

A cookout tray consists of one main item, two different sides, and a drink. if cookout offers 10 main items, 10 sides, and 5 dri

OLEGan [10]

The number of unique cookout trays are possible is 500

<h3>How many unique cookout trays are possible?</h3>

The given parameters are:

Main items = 10

Sides = 10

Drinks = 5

The number of unique cookout trays are possible is

Cookout trays = Main items * Sides * Drinks

So, we have:

Cookout trays = 10 * 10 * 5

Evaluate

Cookout trays = 500

Hence, the number of unique cookout trays are possible is 500

Read more about combination at:

brainly.com/question/11732255

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1 year ago

Convert to an improper fraction. Type in your answer with the negative in the numerator.

erastova [34]

-11 1/3 = -34/3
Because 3(-11) = -33 -1 = -34/3

5 0

2 years ago

Yessenia is now y years old. Find the following ages in terms of y: her sister is twice as old

____ [38]

Answer:

<u>The age of Yessenia's sister in terms of y is 2y</u>

Step-by-step explanation:

1. Let's review the information provided to answer the question correctly:

Age of Yessenia now = y

Her sister is twice as old

2. What is the age in terms of y of her sister?

If the age of Yessenia now is y, we can find out the age of her sister, this way:

<u>Therefore, the age of Yessenia's sister in terms of y is 2y</u>

5 0

2 years ago