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jek_recluse [69]
2 years ago
9

How can I work this problem in adding integers with counters 5 + (-7)

Mathematics
1 answer:
Monica [59]2 years ago
4 0

\huge\mathsf\green{Answer}

5 + ( - 7) \\ 5 - 7 =  - 2

<h3>hope it would be helpful </h3>
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After Squints gets the team banned from the pool, the guys from the Sandlot decide they need to build their own pool. They decid
pishuonlain [190]

Answer:

525 truckloads

Step-by-step explanation:

First we need to find the volume of the pool. This lets us know how much dirt must be moved.

25*19*5 = 2,375 cubic feet total.

Divide that by 4.53 cubic feet for each load, and we get 524.282 truckloads. Round up to the nearest integer for a final answer of 525 truckloads.

7 0
3 years ago
For which shape is 45 degrees the smallest angle of rotational symmetry?
Angelina_Jolie [31]

Answer:

Step-by-step explanation:

You want the external angle to be 45°.

If n = number of sides, the external angles are each 360°/n = 45°

n = 360/45 = 8

The shape is a regular octagon.

4 0
3 years ago
A man bought 500 mangoes and found 1/4 of them rotten .If he sold the rest of mangoes at 3.36 each making 12% profit ,what was t
suter [353]

Answer:

<em>The cost price of each mango was $3</em>

Step-by-step explanation:

The man bought 500 mangoes, but 1/4 of them were rotten. There were 1/4*500 = 125 rotten mangoes, thus the number of mangoes he sold is

500 - 125 = 375 mangoes

Selling them at $3.36 each, he had revenue of

375*3.36=$1,260

That amount includes the 12% profit, that is, it's 112% of the cost price, thus the cost price of all mangoes is

1,260 / 112 * 100 = $1,125

The price of each mango was $1,125 / 375 = $3

The cost price of each mango was $3

4 0
3 years ago
Brenda already has $200 toward the purchase of a new laptop that sells for $450. She will save $50 each month, starting next mon
Rudik [331]
$200, $250, $300, $350, $400, $450
$250, $300, $350, $400, $450
$0, $200, $250, $300, $350, $400, $450
<span>$50, $200, $450</span>
4 0
2 years ago
Linda, Aldo, and bob have a total of 70 in their wallets. Bob has 3 times what Linda has. Linda has 5 more than Aldo. How much d
yanalaym [24]
L, A, B = the amount of money each person has.
L + A + B = 70
B = 3L
L = A +5 or A = L-5 
Set up an equation in L only:
L + L - 5 +3L =70
5L -5 = 70
5L =75
L = 15
follows
B=3*15 =45
A = 15 - 5 = 10
7 0
3 years ago
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