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3 years ago

Determine what to add to make the trinomial a perfect square. x2+8x+___

Mathematics

1 answer:

Nataly_w [17]3 years ago

6 0

Answer: 16

Step-by-step explanation:

For a perfect square each factor is identical.

Now, we have to find a number that adds to get 8.

The only option is (x+4)(x+4). When you distribute, you get x²+8x+16.

Now, we know that the missing number is 16.

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Marge cut 16 pieces of tape for mounting pictures on posterboard each piece of tape is 3/8 inches long how much tape did Marge u

daser333 [38]

Answer:

6 inches of tape

Step-by-step explanation:

To find the total amount of tape that Marge used, you can take the measure of each piece ( $\frac{3}{8}$ ) and multiply by the total number of pieces cut (16):

$\frac{3}{8}*\frac{16}{1}=\frac{48}{8}=6inches$

So, Marge used 6 inches of tape altogether.

7 0

3 years ago

Marcos bought 3 bags of chips that cost $0.79.

viktelen [127]

Answer:

$2.63

Step-by-step explanation:

3 x $0.79 = 2.37

5.00 - 2.37 = $2.63

8 0

3 years ago

Read 2 more answers

PLEASE HELP ASAP !!!!!!!

VikaD [51]

Answer:

143º

Step-by-step explanation:

You want to find m<HBD

which is m<HBA minus m<BAD

180º minus 37º equals 143º

m<HBD is equal to 143º

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I need help with it very soon.

4 0

3 years ago

Read 2 more answers

Which statements about the value of the digits in the number 6,666,666 are true?

tatiyna

B. The digit in the hundred thousands place is 1/10 the value of the digit in the millions place.

C. The digit in the ten thousands place is 10 times the value of the digit in the thousands place.

Hope this helps !

Photon

4 0

3 years ago

What is the inequality to x+3>8

olga2289 [7]

Answer:

x>5

Step-by-step explanation:

Subtract 3 from both sides.

7 0

3 years ago