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ycow [4]
3 years ago
15

Evaluate the following expression 2x - |4 - 7x| when x = -3

Mathematics
1 answer:
HACTEHA [7]3 years ago
4 0

Answer:

-31  

Step-by-step explanation:

2x - abs(4 - 7x)

2x = 2 * - 3 = - 6

4 - 7x = 4 - 7*-3 = 4 + 21 = 25

-6 - abs(25)

-6 - 25 = -31

You should note three things.

1. the absolute value of 25 is 25

2. There is a - sign outside the influence of the 25 so 25 becomes - 25

3. - 6 - 25 = - 31

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If Janet has 5 yards of fabric that is 2 1/4 feet wide, and she used 1/3 of it to make one kind of curtains, and the rest to mak
Marina CMI [18]

11 1/4

Step-by-step explanation:

the yards have to be converted to feet

1 yards = 3 feet

5 yards x 3 = 15 feet

Area of a rectangle = length x width

15 x 2 1/4

15 x 9/4 = 33 3/4

33 3/4 x 1/3 = 135 /12 = 11 1/4

3 0
3 years ago
What is the product of 0.46 and 35
sveta [45]

<u><em>16.1 is the final answer. </em></u>

<em>Product- it's going to be multiply by the numbers only.</em>

0.46*35=16.10=16.1

<em>You can also round up to the nearest tenths is 16.0</em>

<em>Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie</em>

3 0
3 years ago
Read 2 more answers
1.)Each sandwich costs $.02 per cubic inch to make. What is the cost of each sandwich?
kirza4 [7]
Part 1) <span>Each sandwich costs $.02 per cubic inch to make. What is the cost of each sandwich?

</span>volume for cube sandwich is 125 in³
volume for pyramid sandwich is 41.67 in³

cost of each cube sandwich=0.02*125-----> $2.5

cost of each  pyramid sandwich=0.02*41.67-----> $0.83

the answers Part 1) are
a) cost of each cube sandwich is $2.5
b) cost of each pyramid sandwich is $0.83

Part 2) <span>If each sandwich sells for $4.00 and Mr. Sammie sells 100 Cube sandwiches and 100 Pyramid Sandwiches, how much profit would Mr. Sammie make?
</span>
we know that
Profit=Sells-Costs

step 1
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Sells=200*$4-----> $800

step 2
find the costs
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step 3
find the profit
Profit=Sells-Costs
Profit=$800-$333-----> $467

the answer Part 2) is
the profit is $467
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4 years ago
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Zarrin [17]

Answer:

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Step-by-step explanation:

4 0
3 years ago
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What is the perimeter of the rectangle shown below?
Allushta [10]

Answer:

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Step-by-step explanation:

6 0
3 years ago
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