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MariettaO [177]
3 years ago
13

-4(-3x - 7) whats the answer

Mathematics
2 answers:
kiruha [24]3 years ago
8 0
12x+28 is the simplified expression
Reika [66]3 years ago
4 0

Answer:

12x + 28

Step-by-step explanation:

-4(-3x - 7)   Distribute the -4. When you multiply two negatives you get a positive.

12x + 28

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A gelato shop tries to give consistent scoop sizes, but some flavors of gelato are denser than others. Here's the
STatiana [176]

Answer:

It's exactly normal, because both populations are normally distributed.

Step-by-step explanation:

Khan Academy

4 0
3 years ago
The admission fee at a local zoo is $1.50 for children and $5.00 for adults. On a certain day, 3000 people enter the zoo and $9,
vlabodo [156]

1600 children and 1400 adults attended

<h3>How to determine the number of adults?</h3>

Let the children be x and adult be y.

So, we have the following equations:

x + y = 3000

1.5x + 5y = 9400

Make x the subject in x + y = 3000

x = 3000 - y

Substitute x = 3000 - y  in 1.5x + 5y = 9400

1.5(3000 - y) + 5y = 9400

Expand

4500 - 1.5y + 5y = 9400

Evaluate the like terms

3.5y = 4900

Divide both sides by 3.5

y = 1400

Substitute y = 1400 in x = 3000 - y

x = 3000 - 1400

Evaluate

x = 1600

Hence, 1600 children and 1400 adults attended

Read more about system of equations at:

brainly.com/question/14323743

#SPJ1

8 0
2 years ago
-2(a²)³<br><br>(-2b²)³<br><br>-(c³)³
Feliz [49]

the answers are:

-2a^6

-8b^6

-c^9

3 0
3 years ago
11/12 divided by 1/3
faust18 [17]
The correct answer is \frac{11}{4}

You can find this by first starting with the original question. 

\frac{11}{12} ÷ \frac{1}{3}

Now to solve a division problem with fractions, you can always flip the second one and turn it into multiplying. 

\frac{11}{12} * \frac{3}{1}

Now we can multiply numerator by numerator and denominator by denominator. 

\frac{33}{12}

Then of course, we need to simplify. Since both are divisible by 3, we can divide both numbers by 3. 

\frac{11}{4}
8 0
3 years ago
Read 2 more answers
If x=4 what is the value of 4/5 (2x +7) - 2/3 (2x + 7)
konstantin123 [22]

Answer:

2

Step-by-step explanation:

if x=4

4/5 (2(4)+7) - 2/3(2(4)+7)

4/5 (8+7) - 2/3(8+7)

4/5(15) -2/3(15)

12 - 10

2

6 0
3 years ago
Read 2 more answers
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