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MissTica
2 years ago
5

(-9m+9) + (8m+8) simplify

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
7 0

Answer:

M+16m

Step-by-step explanation:

-9m+9 cancel eachother out because it is a negative and a postive value, so you would just put the variable. For 8m+8 it would be 16m because the sre both positive so you would add them like normal

sdas [7]2 years ago
5 0

Step-by-step explanation:

= ( - 9m + 9) + (8m + 8)

=  - 9m + 9 + 8m + 8

=  - 9m + 8m + 9 + 8

= m + 17

hence m + 17 is the answer....

hope it helped !!!

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What is the probability of rolling a dice and landing on a 4, and
harina [27]

Answer:

1/6 and 3/6

Step-by-step explanation:

a dice has up to 6 sides making it a 1/6 chance for landing ona four. and then making it a 3/6 chance for landing on a even number

4 0
3 years ago
): If (6x-3)(6x+3)=ax^2-b, what is the value of a? What is the value of b?
lesantik [10]
Answer: a = 36 and b = 9

Explanation:

(6x-3)(6x+3)

= 36x² - 18x - 18x - 9

= 36x² - 9



(6x-3)(6x+3) = ax² - b

36x² - 9 = ax² - b

a = 36 and b = 9

Hope it helps!
7 0
3 years ago
The height of a triangle is 3cm less than twice the base. The area is 10cm2
Kamila [148]

Answer:

The base is 4cm and the height is 5cm.

Step-by-step explanation:

This is a solve the system question. Call H the height of the triangle and B the base. The question tells us:

H=2B-3

and

\frac{B \times H}{2}=10

Sub the first equation into the second (as H is already isolated). You will end up with a quadratic equation - solve that any way you wish (e.g. quadratic formula). I've provided the factored form below which shows you the roots:

\frac{B(2B-3)}{2}=10\\\frac{2B^2-3B}{2}=10\\2B^2-3B=20\\2B^2-3B-20=0\\(2B+5)(B-4)=0\\B= - \frac{5}{2},4

In this question, we take B=4. You can't have a negative side length so the other answer is eliminated. Now sub the value for B into either of the original equations. I'll use the first, again because H is already isolated:

H=2(4)-3\\H=8-3\\H=5

3 0
2 years ago
Which equation has the same solutions as 2x^2+6x-10=0
lisov135 [29]

Answer:

x^2+3x-5=0

Step-by-step explanation:

Divide the whole equation by 2

8 0
2 years ago
To graph the line y = 3x -2, I should *
ipn [44]

Answer:

The answer is D because you should starts at -2 on the y-axis and moves up 3 and right 1.

4 0
3 years ago
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