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3 years ago

Simplify: 3(2x+7)-2(x+5)

Mathematics

2 answers:

Anastasy [175]3 years ago

7 0

Answer:

4x-11

Step-by-step explanation:

1. Distribute

6x+21-2x-10

2. Subtract the same numbers

3. You have your answer.

STatiana [176]3 years ago

6 0

Answer:4x+11

Step-by-step explanation:

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Uncle Ian spent $59 at a book store. He bought science fiction and mystery novels. The science fiction novels cost $7 apiece and

zzz [600]

Answer:

2 science fiction and 5 mystery

Step-by-step explanation:

First, we will set up a system of equations.

x (science fiction) y (mystery)

x + y = 7 This is the total books bought.

7x + 9y = 59 The amount of each set to the total cost.

Now we solve.

(-7)x + y = 7 equals

-7x - 7y = -49

added to

7x + 9y = 59

this equals

2y = 10

y = 5

Now we know one. We can plug it in to find the other value.

x + 5 = 7

x = 2

5 0

3 years ago

-26 =3v +1 can i please get a answer

garik1379 [7]

Answer:

v = -9

Step-by-step explanation:

ur welcome

5 0

3 years ago

Read 2 more answers

A big department store employs a total of 180 people. of these 180 people, 27 are managers, 100 are floor assistants, and the re

PilotLPTM [1.2K]

Among 180 people 27 are managers, 100 are floor assistants and the rest are helpers. Under the rest we mean 180-27-100=53 people.

The event "randomly selected employee is not a floor assistant" is the same as "randomly selected employee is manager or helper". You can count that in total 27+53=80 people form the set of managers and helpers.

Then the probability that randomly selected employee is not a floor assistant is

$Pr=\dfrac{80}{180}=\dfrac{4}{9}.$

Answer: $Pr=\dfrac{4}{9}.$

6 0

3 years ago

Solve x = 4p + p3 if p=dy/dx

MAVERICK [17]

Answer:

x = pp12 or 12 pp

Step-by-step explanation:

Just to note that pp means p square

3 0

3 years ago

HELP:) please 30 points

svetlana [45]

This isnt 30 points this is 15

7 0

3 years ago