4 years ago

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

Mathematics

1 answer:

Nataly_w [17]4 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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If f(x) =2x+3 then the point (1,5) is on the graph of f true or false

ss7ja [257]

F(x)=y=2x+3
P (1,5)
Substitute x and y:
5=2*(1)+3
5=5 true
Point P (1,5) is on the graph of f.

3 0

3 years ago

A bus travels 6/8 of a mile in 12 of a minute. How far will it travel in one minute?

Vitek1552 [10]

Answer:

1/16 of a mile in one minute.

Step-by-step explanation:

1. you know that 3/4 mile = 12 mins and x mile = 1 min

2. To get 12 mins to 1 you divide the mins by 12

3. So you do the same for miles!

4. 3/4 miles divided by 12

5. which turns into 3/4 * 1/12

6. so your final answer would be 1/16 of a mile in one minute

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3 years ago

clark made a model of his house. his house is 30 1/2 feet long. the dimensions of the model were 1/25 the dimensions of clarks a

balandron [24]

Answer:

1.22 feet, or 1 11/50 ft

Step-by-step explanation:

Find 1/25 th of 30 1/2 feet:

1 61 ft

----- * ---------- = 1.22 feet, or 1 11/50 ft

25 2

The length of the model is 1.22 feet, or 1 11/50 ft

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4 years ago

What If the markup is changed to 34%; how does the Expression for the retail price change

Illusion [34]

Step-by-step explanation:

If wholesale cost is x, then retail is x plus the percentage change in x. (1 + .34)x = 1.34x.

mark me brinilylist

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2 years ago

5 2/4 - 4 3/4 = with steps

Natasha_Volkova [10]

Answer:

Step-by-step explanation: concert to Fractions. 22/4 - 19/4 = 3/4

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4 years ago