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ElenaW [278]
2 years ago
13

Which expression is equivalent to 5 - 8? O -5 +8 O 5+ (-8) 0 5 + 8 O 8 + (-5)

Mathematics
1 answer:
Brut [27]2 years ago
8 0

Answer:

is "5+(-8)"

Step-by-step explanation:

5 - 8 = -3

5 + (-8)

5-8 = -3

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A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 55 pounds each, and the small boxes
nikdorinn [45]

Answer:

The number of large boxes is 55 and the number of small boxes is 70

Step-by-step explanation:

<u><em>The complete question is</em></u>

A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 50 pounds each, and the small boxes weigh 20 pounds each. There are 125 boxes in all. If the truck is carrying a total of 4150 pounds in boxes, how many of each type of box is it carrying?

Let

x ------> the number of large boxes

y -----> the number of small boxes

we know that

x+y=125 -----> equation A

50x+20y=4,150 ----> equation B

Solve the system by graphing

Remember that the solution of the system of equations is the intersection point both graphs

The intersection point is (55,70)

therefore

The number of large boxes is 55 and the number of small boxes is 70

3 0
2 years ago
A savings account earns 6% simple interest per year. The principal is $800. What is the balance after 18 months?
Ilia_Sergeevich [38]

Answer:

$872

Step-by-step explanation:

Simple interest = Principle * Rate * Time / 100

= ( 800 * 6 * 18/12 ) / 100

= $ 72

The balance after 18 months = principle + interest

= 800 + 72

= $ 872

8 0
2 years ago
Atown uses positive numbers to track increases in population and negative numbers to track decreases in population.
amid [387]

Answer:

Step-by-step explanation:

-60

Step-by-step explanation:

Increase in population is given by positive sign

Change in population in 5 years = -300

Decrease in population is represented by negative sign

Change in population in 1 year = -300\5

                                                = -60

Town's population faces a decrease of 60 residents each year.

4 0
2 years ago
Help pls i feel like i have the right answer but i wanna make sure
Sholpan [36]

Answer:

-43

Step-by-step explanation:

Using PEMDAS and multiplying first gives you (-5 + 7) - 45

This gives you 2 - 45 which equals -43

5 0
3 years ago
Read 2 more answers
What is 3/18 simplified
trasher [3.6K]
All you have to do is divide the numerator and the denominator by 3 and you get your answer which is 1/6
4 0
3 years ago
Read 2 more answers
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