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meriva
3 years ago
10

Question 10(Multiple Choice Worth 1 points)

Mathematics
1 answer:
Mila [183]3 years ago
8 0
Answer:
—6

Explanation:
In an expression with a negative number and a positive number, the negative will come on top. This meaning the product (end piece) will be negative. In this problem despite the signs we know 3•2 is 6. Now since one number is negative (3) and the other is positive (2) negative will come out on top.

* KEEP IN MIND *
+ and + = positive
- and + = negative

Easy Memo for Multiplication and Divison:
“Same sign add, different sign subtract”
Add = Positive (+)
Subtract = Negative (-)
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Three friends fill bags with trash at a neighborhood cleanup. Randall's bag weighs
BabaBlast [244]

Answer:

Randall picks up 68 pounds

Seth picks up 40 pounds

Joanna picks up 52 pounds

Step-by-step explanation:

Let us make an equation in x to find it

∵ Randall's bag weighs  3x - 7 pounds

∵ Joanna's bag weighs  2x + 2 pounds

∵ Seth's bag weighs 2x - 10 pounds

∵ Randall's and Joanna's bags weigh 3 times as much as  Seth's bag

- That means add Randall's bag and Joanna's bag and equate

    the sum by 3 times Seth's bag

∵ Randall's bag + Joanna's bag = 3(Seth's bag)

∴ (3x - 7) + (2x + 2) = 3(2x - 10)

- Simplify the two sides

∴ (3x + 2x) + (-7 + 2) = 3(2x) - 3(10)

∴ 5x + (-5) = 6x - 30

∴ 5x - 5 = 6x - 30

- Add 5 to both sides

∴ 5x = 6x - 25

- Subtract 6x from both sides

∴ -x = -25

- Divide both sides by -1

∴ x = 25

Substitute x by 25 in the weight of each bag

∵ Randall's bag weighs = 3(25) - 7 = 75 - 7

∴ Randall's bag weighs = 68 pounds

∵ Seth's bag weighs = 2(25) - 10 = 50 - 10

∴ Seth's bag weighs = 40 pounds

∵ Joanna's bag weighs  = 2(25) + 2 = 50 + 2

∴ Joanna's bag weighs  = 52 pounds

7 0
3 years ago
Read 2 more answers
What is one possible value of 2x
Georgia [21]

Answer:

really good

Step-by-step explanation:

<h2>thanks for your help you<u> with</u><u> that</u><u> do</u><u> not</u><u> have</u><u> a</u><u> copy</u><u> of</u><u> the</u><u> receipt</u><u> for</u><u> your</u><u> time</u><u> to</u><u> help</u><u> you</u><u> with</u><u> the</u></h2>

5 0
2 years ago
What is the area of a triangle that has a base of 10 inches and a height of 7 inches
Natali [406]

Answer:

it is 35

Step-by-step explanation:

5 0
3 years ago
Write y=-(3/5)x-2 in standard form using integers <br> please thank you
juin [17]
Y= -3/5x - 2       Add -3/5x to both sides 
3/5x +y= -2        Multiply both sides by 5 because 5 is the denominator.
                        By multiplying by 5 you can cancel out and make it a real number. 
5(3/5x +y) = -2(5) 
 
   3x + 5y= -10  is the answer. 
5 0
3 years ago
I will give brainiest to whoever answers correctly !!
Lena [83]
Answer: the mark up price of the fish dinner is around 36.36%

Explanation: 18.75 - 13.75/13.75=5
5 divided by 13.75= 0.36363636.

Hope this helps!
3 0
3 years ago
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