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MariettaO [177]
3 years ago
7

There are 20 crayons in a tin 4 crayons are red

Mathematics
1 answer:
irga5000 [103]3 years ago
5 0
The answer is 5 I suppose.
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A traingle has a perimeter of 22 centimeters with a side of 7 centimeters with a side that is 7 centimeters long. the lengths of
exis [7]

Answer:

25.13 in^2.

Step-by-step explanation:

I will assume a circular pizza with 8 pie shaped pieces.

Each of the 8 sectors is one piece of pizza.  So find the area of the the circle, radius = 16/2 = 8, that is π * 8^2 and divide by 8 getting 8π for the area of each slice.  Note:  8π ≈ 8 * 3.1416 ≈ 25.13 in^2.

7 0
3 years ago
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Factor the polynomial expression 4x2 +9.
Yanka [14]

Answer:

Step-by-step explanation:

Factor it by first setting it equal to 0:

4x^2+9=0 Now subtract 9 from both sides:

4x^2=-9 Divide both sides by 4:

x^2=-\frac{9}{4} Then take the square root of both sides:

x = ±\sqrt{-\frac{9}{4} } , which of course is not allowed. Therefore, we have to allow for the imaginary numbers in this solution. Knowing that,

x = ±\sqrt{-1*\frac{9}{4} } is an equivalent radicand, we can now replace -1 with its imaginary counterpart:

x = ±\sqrt{i^2*\frac{9}{4} }

Each one of the elements in the radicand are perfect squares, so we simplify as follows:

x = ±\frac{3}{2}i

And there you go!

3 0
3 years ago
Enter the fraction as a decimal
inessss [21]
0.1/0.4 converted to a decimal is 0.25 :) hope this helps
3 0
3 years ago
The table shows Avery’s net worth statement.
Mariulka [41]

The current value of Avery’s car is $12,480.

<h3>Current value</h3>

First step is to calculate the Net Worth

Bank accounts    $3,900

Credit card debt ($2,950)

Real estate         $37,425

Student loans    ($1,700)

Investments        $4,600

Net worth           $41,275

Second step is to calculate the current value of Avery’s car

Current value=$53,755-$41,275

Current value=$12,480

Inconclusion the current value of Avery’s car is $12,480.

Learn more about current value here:brainly.com/question/15904086

7 0
3 years ago
7% of 321 . answer i beg you
Agata [3.3K]

Answer:

.07 * 321 = 22.47

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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