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Bas_tet [7]
3 years ago
12

Question 4 Solve 4(3x + 5) = 2

Mathematics
1 answer:
DIA [1.3K]3 years ago
7 0

Answer:

-3/2

Step-by-step explanation:

So we have the equation:

4(3x+5)=2

Distribute the left:

12x+20=2

Subtract 20 from both sides:

12x=-18

Divide both sides by 12:

x=-18/12=-3/2

So, our answer is -3/2 or -1.5.

And we're done!

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Mildred has seven grades on her report card. The overall average of these grades is 77%. After looking more closely at her repor
KIM [24]

Answer:

86

Step-by-step explanation:

Firstly,

Average = Sum/Number of Numbers

Since 7 grades' average is 77, so we can say:

77 = Sum/7

Hence, Sum = 77 * 7 = 539

Now,

81 - 18 = 63 [63 marks were recorded incorrectly. actual sum would be 63 more]

So,

Actual Sum should be 539 + 63 = 602

Actual Average = 602 / 7 = 86

Hence, actual report card average would be 86

6 0
3 years ago
Use compatible number to find two estimates that the quotient is between 1,624 divided by 3
Alina [70]
The correct answer is 541.2 to be exact
3 0
3 years ago
The measure of the quality of a person's life based on income and the type and quantity of goods available to him or her is
denis-greek [22]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which of the following choices is a good estimate for the slope of the Line of Best Fit in the scatter plot?
svetoff [14.1K]

Answer:

A good estimate for the slope is 95/60

Step-by-step explanation:

The formula to calculate the slope between two points is equal to

m=\frac{y2-y1}{x2-x1}

From the graph take the points

(0,0) and (80,125)

substitute

m=\frac{125-0}{80-0}

m=\frac{125}{80}

simplify

m=\frac{25}{16}

Multiply by 3.75 both numerator and denominator

m=\frac{25*3.75}{16*3.75}

m=\frac{93.75}{60}

m=\frac{94}{60}

therefore

A good estimate for the slope is 95/60

5 0
4 years ago
a chef bought 8 packs of hot dog buns with a total of 48 buns. what is the unit rate for the number in 1 pack? please help.
Romashka [77]
There are 6 buns in each pack.
:D

7 0
3 years ago
Read 2 more answers
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