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-Dominant- [34]
3 years ago
14

PLEASE HELP

Mathematics
1 answer:
Mamont248 [21]3 years ago
8 0
4(9x + 11) + 5(3x + b) = ax + 9
(36x + 11) + (15x + 5b) = ax + 9
36x + 11 + 15x + 5b = ax + 9
51x + 5b + 11 = ax + 9
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Charlie weighs 9 pounds more than his little brother. If together they weigh 99 pounds what is the algebraic equation for Charli
Afina-wow [57]
To set up the equation you would take x and add the nine pounds that Charlie weighs more than his brother and the set that equal to 99. Your equation would be X+9=99. If you wanted to take it a step further and solve the equation you would distract 9 from both sides which means that x=90
4 0
4 years ago
Explain some methods of reducing friction between of matyer​
Simora [160]

Answer:

Step-by-step explanation:

1. Use of lubricants

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7 0
3 years ago
1. What is the value of the y-coordinate of the solution to the system of equations x + 2y = 9 and x - y = 3? 1) 6 3) 3 2) 2 4)
Andreyy89

Answer:

2) 2

Step-by-step explanation:

Subtract each equation from each other

x + 2y = 9

<u>-x+  y  = -3</u>

<u>3y </u>= <u>6</u>

3       3

So y = 2

7 0
3 years ago
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The "constant of proportionality" is the value that relates the two amounts<span>Example: you are paid $20 an hour (continued)<span>The constant of proportionality is 20 because:</span></span><span><span>Earnings = 20 × Hours worked</span></span>

<span><span />This can be written:  y = kx</span>

<span><span>Where k is the constant of proportionality
</span></span>

6 0
3 years ago
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How many days are there in April?
frosja888 [35]
30 days in April
I hoped this helped
3 0
4 years ago
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