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Vinvika [58]
2 years ago
6

If x= -4 and y=-8, which expression would have a negative value?

Mathematics
2 answers:
Brrunno [24]2 years ago
7 0

Answer:

A

Step-by-step explanation:

They are both negative so you will keep the negative sign when you add.

yanalaym [24]2 years ago
5 0

Step-by-step explanation:

x + y will have negative value as

x + y = -4 + (-8) = - 4 - 8 = - 12

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5 0
2 years ago
7 is what % of 100? i'm really confused on this
adelina 88 [10]

Answer:

7%

Step-by-step explanation:

Since percentages are out of 100. (Cent=100) Therefore 7/100 is 7%.

6 0
3 years ago
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the perimeter of a regular pentagon is 41.5 cm. Write and solve an equation to determine the length of each side of the pentagon
ser-zykov [4K]
It would be 41.5 divided by 5 because a pentagon has 5 sides
6 0
3 years ago
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Maxwell buys a bag of dog food that contains 18 cups of food, Maxwell feeds his dog 1 cups each day. Maxwell says he will be abl
LenKa [72]

Answer:

Incorrect

Step-by-step explanation:

Well since there is only 18 cups of dog food he will only be able to feed his dog for 18 days since he feeds his dog 1 cup a day.

7 0
3 years ago
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How many pennies would be in a tower that is 10 miles<br> high?
Rufina [12.5K]
Just measure the width (or height, if you'll be stacking the pennies
a mile high) of a penny, then divide 5280 feet by whatever you find.
This is a great activity for a class, and in fact a good way to start
the project. First take one penny, and work out an answer. Then get
100 pennies, and measure them; do the same calculation to see how many
pennies it will take to make a mile. There will probably be a
difference, because you can measure 100 pennies more accurately than a
single penny. Or maybe you have a micrometer that will measure one
penny precisely. Which is better can be a good discussion starter. And
don't forget to try it in metric, too.

Just to illustrate, using a very rough estimate of a penny's width,
let's say a penny is about 3/4 inch wide. The number of pennies in a
mile will be

5280 ft 12 in 1 penny
1 mile * ------- * ----- * ------- = 5280 * 12 * 4/3 pennies
1 mi 1 ft 3/4 in

This gives about 84,480 pennies. (This method of doing calculations
with units is very helpful, and would be worth teaching.)

If we measure 100 pennies as 6 ft 1 in, we will get

5280 ft 100 pennies
1 mile * ------- * ----------- = 5280 * 100 * 12 / 73 pennies
1 mi 6 1/12 ft

This gives us 86794.5205 pennies in a mile.
5 0
3 years ago
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