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Vadim26 [7]
2 years ago
12

Evaluate for m = 2 and n = –3 a) 5m – n b) n2 ÷ m2

Mathematics
1 answer:
nataly862011 [7]2 years ago
6 0

Answer:

a

Step-by-step explanation: trust

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Hannah borrow $30 from her parents. Each week she pays them back the same amount. The total amount she owes her parents after we
natali 33 [55]
30-5d ( where d stands for amount of days, and 5 is the amount of moeay paid per day)
5 0
3 years ago
What is:<br> <img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B4x%5E%7B2%7D%20-20x%2B25%20" id="TexFormula1" title=" \sqrt{4x^{2} -
Firdavs [7]

We are given :

\sqrt{4x^{2}-20x+25}

Step 1: factor the part inside square root

The function given inside square root is of quadratic form.

So let us try to factorise it using AC method.

Here A*C = 4*25 = 100

so we have to find factors of 100 that add up to give -20.

the two factors are -10 and -10.

Rewriting the function :

4x^{2} -20x+25

=4x^{2} -10x-10x+25

=2x(2x-5) - 5(2x-5)

=(2x-5)^{2}

Step 2:

Now we take square root of the factorised form

\sqrt{(2x-5)^2}

= 2x-5

Answer : (2x-5)

3 0
3 years ago
20 points!!!
UkoKoshka [18]
150. 

You can read the uppermost point on the graph which is pretty much that point. 
4 0
3 years ago
Read 2 more answers
Substract 11 3/4 - 9 8/15
Tju [1.3M]

Answer:

2 and 13/60

Step-by-step explanation:

First, we must create a common denominator in the fractions. For the given denominators, it would be 60, so 3/4 would be 45/60 and 8/15 would be 32/60. From here, we can just subtract and get 2 and 13/60.

Hope this helps!

3 0
3 years ago
Which of the following are true of F(x)?
Mama L [17]
You forgot to put the options and the rest of the equation
4 0
3 years ago
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