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mixas84 [53]
3 years ago
14

Ok, 2nd time I asked this...

Mathematics
1 answer:
viktelen [127]3 years ago
7 0
<span>Answer:  a) (5x - 1) (x + 6)

Explanation:
</span>5x² + 29x − 6 = (5x - 1) (x + 6)

5x  \    /  -1           -x 
        \/ 
        /\
x    /    \   6            30x
--------------------------------
5x²        -6           29x
-------------------------------
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Hailey received some cash for birthday. She spent $14.48 on a CD and donated $25.00 to charity. She put half of what was left in
DaniilM [7]
Work backwards.

After she put half of what she had left in, she had 17.76.

Multiply by 2:

17.76 * 2 = 35.52

Add 25:

35.52 + 25 = 60.52

Add 14.48:

75

So she received $75 on her birthday.
8 0
3 years ago
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Which of the following pairs of points will create a horizontal line when connected?
Bumek [7]

Answer:

D is the answer

Step-by-step explanation:

D is the answer because they don't go opposite ways on a graph (Ex: going higher and lower)

5 0
3 years ago
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Given equations A and B as 2/5x+y=12 and 5/2y-x=6 respectively which expression will eliminate the variable X a) 5/2A+2/5B b)5/2
frutty [35]

Answer:

C) A+\frac{2}{5}B

Step-by-step explanation:

Given Equations:

A) \frac{2}{5}x+y=12

B) \frac{5}{2}y-x=6

In order to eliminate x we need to multiply \frac{2}{5} to equation B and add it to A.

Multiplying \frac{2}{5} to B.

⇒ \frac{2}{5}\times (\frac{5}{2}y-x)=\frac{2}{5}\times 6

⇒ (\frac{2}{5}\times\frac{5}{2}y)-(\frac{2}{5}x)=\frac{12}{5}

⇒ y-\frac{2}{5}x=\frac{12}{5}

Adding it equation A.

   \frac{2}{5}x+y=12

+ -\frac{2}{5}x+y=\frac{12}{5}

We get 2y=\frac{72}{5}

Thus x is eliminated.

So, the expression used to eliminate x is:

A+\frac{2}{5}B

4 0
3 years ago
31-18÷6 how would you solve this using PEMDAS?
sergeinik [125]
P: Parenthesis
E: Equation 
M:Multiplication 
D: Division 
A : addition 
S: Subtraction

So first you need to divide because it is before so you divide 18 by 6 which is 3 then you subtract (31 - 3) which gives you 28
answer : 28

7 0
3 years ago
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X + 3x + x<br> Simplify
lana [24]
Answer:
5x

Answer Explained:
All the x’s add up together to make 5x
3 0
4 years ago
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