MATHEMATICS MIDDLE SCHOOL

Rewrite these expression with parentheses to equal the given value. 1: 3x4-1plus 2 value: 11 2: 2x6÷2plus 1 value: 4 3: 5plus 3x2-6 value: 10

Answers

Answer 1
Answer: 1. 3(4-1)+2=11
3. 2(5+3)-6=10
Not sure how to do number 2 did you write the right way
Answer 2
Answer:

Answer:

1. 3(4-1)+2=11

3. 2(5+3)-6=10

Step-by-step explanation:

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Which ordered pair represents a point on a line y = 2x +1. a. 0,3 b. 1,2 c. 2,1 d. -1,-1. please explain answer

Answers

d. -1,-1 because If you were to place that on a graph you would get d. for your answer and you can also do it on a TI-83 plus calculator

Amelia measured the elementary school and made a scale drawing. The scale of the drawing was 11 millimeters : 4 meters. If the schoolyard is 484 millimeters long in the drawing, how long is the actual schoolyard?

Answers

Answer: 176m

Step-by-step explanation:

First we have to convert the meters in the scale to millimeters

4m = 4*1000mm

Now we got the scale 11:4000

11x = 4000 * 484
x= (4000*484)/11
x = 4000 * 44
x = 176000mm = 176m
176 meters
Ex: In the drawing 484 millimeters so 44x11 millimeters: 176

Denise scored 3 fewer points than carter scored. Denise scored 18 points. How many points did Carter score Write an equation to represent the situation. Then solve the equation to answer the problem.

Answers

c = d + 3

In this equation, the variable c represent's Carter's score, and the variable d represents Denise's score. Because Denise scored 3 fewer points than Carter, that means that Carter scored 3 more points than Denise. Therefore, d, or Denise's score, is equal to c, or Carter's score, if you add 3. Now, let's substitute in Denise's score of 18.

c = 18 + 3   Substitute
c = 21   Add

Carter's score is 21. If we wanted to check that, we could simply reverse the equation.

d = c - 3   Because Denise scored three fewer points than Carter, his score equals Carter's score minus 3.
d = 21 - 3   Now, let's substitute in the answer we got for Carter's score.
d = 18   Yep! The question says that Denise scored 18 points, so the answer we got is correct.

What is the opposite of -17

Answers

is +17 because it is on the opposite of the line


The opposite of -17 is 17

A car uses one gallon of gasoline for every 20 miles it travels. If a gallon of gasoline costs $3.98, how much will the gas cost, to the nearest dollar, to travel 180 miles?

Answers

$x/180mi=$3.98/20mi.
180/20=9
so 3.98(9)=$ for 180 miles.  
3.98(9)=$35.82

A business reports a net income of –$5040 over a 9-month period. What is the average income per month for that period?

A.
$45360

B.
$560

C.
–$560

D.
–$45360

Answers

The average income per month for that period will be $560.Option B is correct.

What is average?

It is defined as the single number that represents the mean value for the given set of data or the closed value for each entry given in the set of data.

It is given that,

Net income =  $5040

Time duration = 9-month

The average income per month is found as the ratio of netincome and the total time duration.

Average income per month = net income/time duration

Average income per month = $5040 / 9

Average income per month = 560
The averageincome per month for that period will be $560.

Thus option B is correct.

Learn more about the average here:

brainly.com/question/24057012

#SPJ2
What you do is divide -$5040 by 9 months and you get -$560.
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