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lilavasa [31]
1 year ago
11

What is the value of m in the equation m-23.6 = 58.3 and why? A.) 81.9, because to isolate m, you would add 23.6 and 58.3.B.) 34

.7, because to isolate m, you would subtract 23.6 from 58.3.C.) -34.7, because 23.6 - 58.3 = 34.7D.) -81.9, because -23.6 - 58.3 = -81.9
Mathematics
1 answer:
EleoNora [17]1 year ago
8 0
m-23.6=58.3

Add '23.6' on the RHS nad the LHS of the above expression.

\begin{gathered} m-23.6+23.6=58.3+23.6 \\ m-0=81.9 \\ m=81.9 \end{gathered}

Thus, the value of m is 81.9. And the corect option is, option (A) 81.9, because to isolate m, you would add 23.6 and 58.3.

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Write an equation to represent the number of pages Jesse has read. Using x, the number of days Amir has been reading, write an e
katrin [286]

Question:

Jesse and Amir were assigned the same book to read. Jesse started reading on Saturday, and he is reading 30 pages a day. Amir didn't start until Sunday, but he is reading 35 pages a day.

How many days will it take Amir to catch up to Jesse, and how many pages will they each have read?

Write an equation to represent the number of pages Amir has read. Use x to represent the number of days Amir has been reading and y to represent the number of pages he has read.

Answer:

It will take 6 days

Step-by-step explanation:

For Jesse:

Rate = 30\ pages/day

This implies that Jesse will cover 30y in y days

For Amir:

Rate = 35\ pages/day

This implies that Amir will cover 35x in x days

Because Amir starts a day later,

y = x + 1

So, we have the following equations:

Jesse = 30y

Amir= 35x

y = x + 1

To get the number of days when they read the same number of pages, we have:

Jesse = Amir

Substitute values for Jesse and Amir

30y = 35x

Substitute x + 1 for y

30(x+1) = 35x

Open bracket

30x+30 = 35x

Collect Like Terms

30 = 35x-30x

30 = 5x

Solve for x

\frac{30}{5} = \frac{5x}{5}

\frac{30}{5} = x

6 = x

x = 6

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3 years ago
A)Loss is denoted by a negative integer and profit is denoted by a positive integer. A
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Answer:

750 profit

Step-by-step explanation:

Given :

Profit of 10 on white cement

Loss of 5 on Grey cement

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Number of Grey cement sold = 500 bags

Total profit made on sale of white cement :

10 * 325 = 3250

Loss made on sale of Grey cement :

5 * 500 = 2500

Total profit or loss :

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Profit value is greater than. Loss value (hence, total profit of 750 was made).

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3 years ago
Steve picks 55 pounds of pears. He packs an equal amount of pears into 6 bags. He then has 4 pounds of pears left. What is the w
Serggg [28]
Because he has 4 pounds of apples left, you are to subtract that from the total pounds picked, which was a total of 55 pounds. So 55 with 4 taken away, or 55 - 4, equals 51. Since he had equally put 51 pounds into six bags, you are to then divide . 51 / 6 = 8.5. He had put 8.5 pounds worth of apples into each bag.
4 0
3 years ago
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K - 2( k - ( 2- k ) - 2
mamaluj [8]
Assuming the missing parenthesis is at the end the simplified answer should be k-8
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Find the x-intercepts for the parabola defined by the equation below. y = x2 + 9x + 14
faltersainse [42]

Answer:

x - intercepts are (-7,0) and (-2,0)

A is the correct option.

Step-by-step explanation:

We have been given the equation of the parabola y=x^2+9x+14

For x- intercept, y = 0

0=x^2+9x+14

We can split the middle term as 9x = 7x +2x

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Now take GCF

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Factored out the common term

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Apply the zero product property

(x+7)=0,(x+2)=0

Solve for x

x=-7,-2

Hence, x - intercepts are (-7,0) and (-2,0)

A is the correct option.

4 0
4 years ago
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