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Lubov Fominskaja [6]
3 years ago
10

Solve the equation -3x - 5 =16 What does x =??

Mathematics
2 answers:
Paul [167]3 years ago
8 0

Answer: -7

Step-by-step explanation:

Move all terms that don't contain

x

x

to the right side and solve

Andru [333]3 years ago
5 0

Answer:

x=-7

Step-by-step explanation:

x = 21 \div  - 3  \\ x =  - 7

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6<br> b<br> 2<br> a<br> 6<br> same result
Luba_88 [7]

Answer:

go to this link

Step-by-step explanation:

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Manipulating expressions using structure (example 2) (video)

8 0
3 years ago
A thermometer has a percent error of 3%. The actual temperature is 75°F.
lesantik [10]

1.) 72.75

2.)77.25

im also doing this so the guy under me can get brainliest :P


6 0
3 years ago
Read 2 more answers
4/5 of a number is more than 3/4 of the number by 5.find the numbers
Nastasia [14]
4/5 of x -3/4 of x =5
solution by LCM

16x-15x/20 =5
x/20 =5
x=100
<span>answer 100</span>
8 0
3 years ago
A sign language club made $627. 50 from selling popcorn at a festival. The popcorn cost the club $95. 0. Which expression repres
solmaris [256]

The expression representing the amount of money that was raised for each member of the club is \dfrac{627.50 - 95.0}{m} (in dollars)

<h3>How to interpret the division? </h3>

When 'a' is divided by 'b', then the result we get from the division is the part of 'a' that each one of 'b' items will get.

Thus, if 10 mangoes are there, and 2 people, then 10 ÷ 2 is the number of mangoes each person would get, which is 5.

Division, thus, can be interpreted as equally dividing the number that is being divided in total x parts, where x is the number of parts the given number is divided.

Thus, a \div b = a divided in b equal parts.

Also, we can write: a \div b = a \times \dfrac{1}{b}

(it is since a = a \times 1 so a/b = 1 \times (a/b) = (1/b) \times a )

<h3>How to find the profit earned?</h3>

Profit earned is the extra money which we make after deducing the cost price of the process we're doing.

So, we get:

Profit earned = Total amount earned - Amount spent initially for preparation to earn

P = Selling price (S.P.) = Cost price (C.P.)

For the given case, we're given that:

  • Amount made by the sign language club by selling popcorn at a festival = $627.50
  • The cost price for the popcorn to the club = $95.0

The money raised = Amount made by selling popcorn - amount costed to the club for getting popcorn

Money raised = $627.50 - $95.0

If it is given that: m = number of members in the considered club, then:

Money each member of the considered club will get = Money raised divided in equal m parts = \dfrac{627.50 - 95.0}{m} (in dollars)

(we don't write symbols like of currency generally, and understand it from context.)

Thus, the expression representing the amount of money that was raised for each member of the club is \dfrac{627.50 - 95.0}{m} (in dollars)

Learn more about division here:

brainly.com/question/26411682

8 0
2 years ago
An earthquake near the Philippines measured 5.1 on the Richter scale. Use the formula R=log(A/Ao) to determine approximately how
hammer [34]

Answer:

If R is equal 5.1, Let x be A/A0

Then we have logx=5.1

Solving this we have x=125893

3 0
3 years ago
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