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topjm [15]
3 years ago
5

Evaluate the expression when q=5 and b=9. a+4b

Mathematics
1 answer:
Ierofanga [76]3 years ago
8 0

Step-by-step explanation:

a = 5

b= 9

a + 4b = ?

5 + 4×9 =

5 + 36 = 41

The order of operations is a rule that tells the correct sequence of steps for evaluating a math expression. We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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What is the value of x?
vivado [14]

Answer:

x = 52/3

Step-by-step explanation:

3x / 7x = (3x+7) / (3x+7+5x-8)

3/7 = (3x+7)/(8x - 1)

Cross multiply

7(3x+7)=3(8x-1)

21x + 49 = 24x - 3

-3x = -52

  x = 52/3


5 0
3 years ago
In a basketball game, Phil scored three times as many points as Fred. Together they combined to score 56 points. How many points
valkas [14]

Answer:

Step-by-step explanation:

X= Fred

56=x+3x

56=4x

Divide both sides by 4

56/4=14

Fred had 14 points and Phil had 42

Check: 14+42=56

3 0
3 years ago
What is the answer to 3 1/2 - 2 1/8
DerKrebs [107]

Answer:

Exact form:\\\frac{11}{8} \\Decimal form:\\1.375\\Mixed number form:\\1\frac{3}{8}

Step-by-step explanation:

hope this helps

4 0
4 years ago
Read 2 more answers
Find the equation for the line passing through the point (−1,1) ( − 1 , 1 ) and parallel to the line whose equation is y=2x+12.
tekilochka [14]
So, parallel lines have the same slope, therefore a parallel line to 2x+12, will have the same slope as that one, so which is it?   \bf y=\stackrel{slope}{2}x\stackrel{y-intercept}{+12}

so, we're really looking for the equation of a line whose slope is 2, and runs through -1,1.

\bf \begin{array}{lllll}
&x_1&y_1\\
%   (a,b)
&({{ -1}}\quad ,&{{ 1}})
\end{array}
\\\\\\
% slope  = m
slope = {{ m}}= \cfrac{rise}{run} \implies 2
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-1=2[x-(-1)]
\\\\\\
y-1=2(x+1)\implies y-1=2x+2\implies y=2x+3
7 0
4 years ago
.
kkurt [141]

Answer:

$88.

Step-by-step explanation:

Do 22 * 4, your answer should be 88.

7 0
3 years ago
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