3 years ago

Factor the following binomial using the difference of squares? (49x^2 – 9)

Mathematics

1 answer:

Elis [28]3 years ago

3 0

I think the answer is (7x-3)(7x+3)

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Factor this polynomial expression.

Lapatulllka [165]

Answer:

The answer is A

Step-by-step explanation:

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3 years ago

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Find the coordinates of the midpoint M and the distance between J(4,3) and K(2,-3)

Sergio [31]

Answer:

(3,0)

Step-by-step explanation:

Co-ordinates of J =(4,3)

Co-ordinates of K = (2,-3)

Midpoint formula :

= $\frac{x_{1}+x_{2} }{2} , \frac{y_{1} +y_{2} }{2} \\ \frac{4+2}{2} ,\frac{3+(-3)}{2}\\\frac{6}{2},\frac{3-3}{2}\\3, 0$

<u>Coordinates of the midpoint M </u><u>(3,0)</u>

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4 years ago

A cone has a volume of 24 cubic inches. What is the volume of a cylinder that the cone fits exactly inside of?

ivann1987 [24]

Answer:

8 cubic inches

Step-by-step explanation: I just know

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3 years ago

A park is 5 miles east of Roxana's home. A library is 4 miles north of the park. How far is Roxana's home from the library?

Ber [7]

Answer: 9 miles I think but I dont know where her house is exactly.

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3 years ago

The scale on a map shows that 1 cm equals 10km if the distance between 2 cities on the map is 4.5 cm how far is the actual dista

ikadub [295]

Answer:

45 km

Step-by-step explanation:

Let's review the scale factor of this problem.

1 cm = 10 km

This means that for every 1 cm of distance on the map, 10 km is represented in the real world. Because of this, we know that dividing the actual distance by 10 will give us the distance on the map.

Ex. 40 km in real world = 4 cm on map

So, we will use d to represent the actual distance.

d=distance in real world

Then, we will divide d by 10 and set it equal to 4.5, because that's the distance on the map.

d/10 = 4.5

Now to solve this equation, we just have to multiply both sides by 10.

d=45

This is your answer.

4 0

3 years ago