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natita [175]
3 years ago
5

Math 7 Grade 7. Can anyone help me answer these questions?

Mathematics
1 answer:
zaharov [31]3 years ago
6 0
1. What is the opposite of -2?  2

2. When we add opposites together they will always equal = ? 0

This is also known as what ?
additive inverse 

Adding with integers with SAME signs.

-8 + -3 = -11

-12 + -15 = -27

-3 + -9 + -25 = -37
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Hi there! Sorry to bother you, but can someone help me out with this? (the number 7 to 10)
maksim [4K]

Answer:

7. <K = <R

8. PR = JK

9. <A = <X

10. TX = AB

For question 7, find the angle that looks the most similar to the angle in the question.

For question 8, since the sides (not the hyp.) are equal, PR will be equal to any of those two.

For question 9, the triangles are positioned differently, but it is the angle with two angle lines on it.

Lastly, for question 10, TX will be the same length as the shortest side in the corresponding triangle.

6 0
3 years ago
A dog weighs two pounds less than three times the weight of a cat. The dog also weights twenty-two more pounds than the cat. Wri
8090 [49]

Answer:

Weight of dog: 34 pounds,

Weight of cat: 12 pounds.

Step-by-step explanation:

Let d represent weight of dog and c represent weight of cat.

We have been given that a dog weighs two pounds less than three times the weight of a cat.

3 times weight of cat: 3c

We can represent the given information in an equation as:

d=3c-2...(1)

We are also told that the dog also weights twenty-two more pounds than the cat. We can represent the given information in an equation as:

d=c+22...(2)

Equate both equations:

3c-2=c+22

3c-c-2=c-c+22

2c-2=22

2c-2+2=22+2

2c=24

\frac{2c}{2}=\frac{24}{2}

c=12

Therefore, the weight of cat is 12 pounds.

Substitute c=12 in equation (2)

d=c+22

d=12+22

d=34

Therefore, the weight of dog is 34 pounds.

4 0
4 years ago
What is the sum of 4.061 and 18.62?
andrezito [222]

Answer:

22.681

Step-by-step explanation:

  1

    4.061

<u>+  18.620</u>

  22.681

Hope this helps!! Have a wonderful day C:

6 0
3 years ago
Solve for d.<br> 85 = 5(d − 68)
Talja [164]

Answer:

Step-by-step explanation:

5(d - 68) = 85

Use distributive property

5*d - 68*5 = 85

5d - 340 = 85

Add 340to both sides

5d = 85 + 340

5d = 425

Divide both side by 5

d = 425/5

d = 85

6 0
2 years ago
Read 2 more answers
Karen bought 3 pounds of cheese to serve at a picnic.How many ounces of cheese did karen buy
astra-53 [7]

There are 16 ounces in a pound, so you would multiply 16 and 3 to get your answer.
5 0
4 years ago
Read 2 more answers
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