Since for x. show all steps and check your work

30+10x=70

Answers

Answer 1

Answer: x=4

Because when you add 3 and four it equals 7
First you multiply 10 x 4 and get the answer 40
So 30 + 40= 70

Hope this helps!

Answer 2

Answer: 30 + 10x = 70
10x = 70 - 30
10x = 40
x = 40/10
x = 4

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A store pays $150 for a bike they mark it up 60% what is the markup? HELPP

Answers

Answer:

240

Step-by-step explanation:

60% of 150 is 90

so 90 + 150= 240

An equivalent expression for 9z+27

Answers

Answer:

=9(z+3)

Step-by-step explanation:

Distributive property: a(b+c)=ab+ac

First, you had to rewrite the problem down of 27=9*3

$9z+9*3$

Then, you can also factor it out by the common term of 9.

$=9(z+3)$

Hope this helps!

Thanks!

-Charlie

Final answer:

The equivalent expression for 9z+27 is 9(z+3). By factoring out the greatest common factor, we can simplify the expression and represent it in a different form. For example, if z=5, then the original expression 9z+27 is equal to 72, which is also the value of the equivalent expression 9(z+3).

Explanation:

The equivalent expression for 9z+27 is 9(z+3).

To find the equivalent expression, we can factor out the greatest common factor of the terms, which in this case is 9. We can rewrite the expression as 9(z+3), where z+3 represents the remaining terms after factoring out 9.

For example, if z=5, then the original expression 9z+27 becomes 9(5)+27 = 45+27 = 72, and the equivalent expression 9(z+3) also becomes 9(5+3) = 72.

Learn more about Equivalent expressions here:

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There are 2 decks of playing cards. A card is drawn from the first deck and it’s colour-red or black is noted. A card is drawn from the second deck and it’s suits- hearts, diamonds, clubs or spades is noted.
A) how many different combinations of colour and suits are possible

Answers

Answer:

A) There are 8 possible combinations

Step-by-step explanation:

(1 x 4) + (1 x 4) = 8

8 possible combinations

Members of a community center are planning a field trip to the zoo. More than 50 people will go on the trip. Ten people are providing their own transportation. The rest of the people will ride in k vans. Each van can carry 5 people.Which inequality can be used to solve the problem?

A, 5(k+10)>50

B, k+15>50

C, 5k+10>50

D, k−15>50

Answers

I believe the answer is C

You buy a game for $40, and the sales tax is $2. What percent of the game price are you paying in sales tax?4%

5%

8%

20%

Answers

Any time you are solving a problem with percentages, use the formula below% = Is--- ----100 OfPercent over 100 = "is" over "of"In this case you are solving for percent and the "is" over "of" is $2 / $40Then you cross multiply and divide.100 x $2 = $200. 200 divided by 40 = 5. So the answer is 5

2/40 simplifies to 1/20. Multiply both top and bottom by 5 and you get 5/100. So 5%.

What is the equation of the line that has slope -4 and passes through the point (-2,-5)