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3 years ago

Factor the polynomial 3x(x-6)+8(x-6)

Mathematics

1 answer:

Tamiku [17]3 years ago

8 0

Answer:

the answer is (x-6)(3x+8)

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If Donald were two times as old as he was five years ago, he will be ten less than two times his age now. How old is Donald?

Zigmanuir [339]

Answer: The answer is 5

Step-by-step explanation:

2(n-5) - 10 +2N

5 0

4 years ago

Please someone help me ASAP.

k0ka [10]

Answer:

£13

Step-by-step explanation:

Set up a system of equations where s represents the cost of one shirt and j represents the cost of one jumper:

2s + j = 29

s + j = 21

Multiply the bottom equation by -2 to solve by elimination by cancelling out the s variables:

2s + j = 29

-2s - 2j = -42

-j = -13

j = 13

One jumper will cost £13

4 0

3 years ago

Tara and Curtis are simplifying [4(10)-3^2]+6(4). is either of them correct? Explain your reasoning.

kolezko [41]

Curtis has done it right because Tara forgot to put (10) and accidentally put (1) and that's where she lost herself. It wet downhill from there.

5 0

3 years ago

translate the word phrase into a math expression. nine more than five times a number

EastWind [94]

It is definitely a. 9>5n
Because it say 9 is more than five times a number and if you have any questions just comment an I'll try to help! :) Hope I helped!

8 0

3 years ago

Wich of the following equations would NOT contain the point (4,12)

nlexa [21]

Given:

The given point is (4,12).

To find:

The equation that would NOT contain the point (4,12).

Solution:

We need to check each equation for the point (4,12).

In option A, the given equation is:

$y=-2x+20$

Putting $x=4$ , we get

$y=-2(4)+20$

$y=-8+20$

$y=12$

This equation contains the point (4,12).

In option B, the given equation is:

$y=\dfrac{1}{2}x+8$

Putting $x=4$ , we get

$y=\dfrac{1}{2}(4)+8$

$y=2+8$

$y=10$

This equation does not contain the point (4,12).

In option C, the given equation is:

$y=-\dfrac{1}{2}x+14$

Putting $x=4$ , we get

$y=-\dfrac{1}{2}(4)+14$

$y=-2+14$

$y=12$

This equation contains the point (4,12).

In option D, the given equation is:

$y=\dfrac{3}{4}x+9$

Putting $x=4$ , we get

$y=\dfrac{3}{4}(4)+9$

$y=3+9$

$y=12$

This equation contains the point (4,12).

Only the equation in option B does NOT contain the point (4,12). Therefore, the correct option is B.

8 0

3 years ago