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bekas [8.4K]
3 years ago
14

A number is multiplied by 4, and then 6 is added to the product. The result is 18. What is the number? I already know that the a

nswer is 3 but I have to check my answer. How do I check it?
Mathematics
1 answer:
allsm [11]3 years ago
4 0
You can check your answer by multiplying 3 with 4 <span>and then add 6  to the product. Then your result will be 18.</span>
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A ferryboat makes four trips to an island each day.The ferry can hold 88 people.If the ferry is full on each trip,how many passe
olga_2 [115]

Multiplication was invented to reduce the work involved in repeated addition.

... 88 + 88 + 88 + 88 = 4×88 = 352

352 passengers are carried <em>to</em> the island each day.

_____

Some questions must be answered before we can give a definite answer.

1. If the same person rides twice, are they counted twice?

2. Are passengers on the return trips (<em>from</em> the island) counted?

3. If return trip passengers are counted, is the ferry full on those trips?

4. Does every passenger to the island return the same day?

5. Does any passenger go to the island more than once per day?

4 0
3 years ago
If b(x) = -2(x​​-50), what is the value of b(20)?
Alex777 [14]

Answer:

60

Step-by-step explanation:

-2(20​​-50)

-40 + 100 = 60

8 0
2 years ago
What is -4x+y=6 and -5x-y=21 in subsitution
kifflom [539]
Solve for y in the first equation.
y = 4x + 6
Substitute <span>4x + 6 into the second equation.
-5x - (</span><span>4x + 6) = 21
Distribute
-5x - 4x - 6 = 21
Combine like terms 
-9x = 27
Divide both sides by -9
x = -3
Substitute back into first equation
-4(-3) + y = 6
Solve for y
y = -6</span>
8 0
3 years ago
HELLLPPLPPPP MUDDLE SCHOOLLL!!!!
love history [14]

Answer:

D.

Thats what gauth.math said

7 0
2 years ago
Find the missing number to make these fractions equal. 6/? = 4/12
Ugo [173]
Answer is 18

Step by step explanation

6/? = 4/12
?=6*12/4=18
6 0
2 years ago
Read 2 more answers
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