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tigry1 [53]
3 years ago
8

matt is playing a game. he gains 7 poins loses 10 poins, gains 2 points, and then loses 8 points what is his final score

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
8 0

I think the answer is -9

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Orbital Toys sells two types of sets of magnetic spheres, silver and brass. The store owner, Lucy Ball, pays $8 and $16 for each
sdas [7]

Answer:

The maximum profit will be reached by buying 500 brass magnetic spheres and 1500 silver magnetic spheres.

Step-by-step explanation:

In order to solve this you need to create a system of equations, with two values that will create the answer we are looking for, the thing that we don't know here is how many of each are we buying so the number of silver magnetic spheres will be represented by "y" and the brass magnetic spheres will be represented by "x".

So we know that x+y=2000

That's our first equation, our second would be the expense, which would be

8x+16y=20,000

We now just solve for one of them

x=(2000-y)

8(2000-y)+16y=20,000

16,000-8y+16y=20,000

8y=4,000

y=500

So we know that the maximum profit will be reached by buying 500 brass magnetic spheres and 1500 silver magnetic spheres.

5 0
2 years ago
A researcher identifies a sample of teenagers and chooses two males, age 16
Alik [6]
I thinks it is matching pairs for random assignment on gender, age, & income status but I’m not sure
4 0
2 years ago
Macy’s sells 4 TVs for $680. How much would 7 TVs cost?
konstantin123 [22]

First, divide.

680 / 4 = $170 per TV

Second, multiply.

170 * 7 = $1,190

Best of Luck!

5 0
3 years ago
Read 2 more answers
Write the equation of the line given the slope = 9 and b = 5 with y = mx + b
Delvig [45]

Answer:

y=9x+5

Step-by-step explanation:

3 0
2 years ago
​78% of U.S. adults think that political correctness is a problem in America today. You randomly select six U.S. adults and ask
nikdorinn [45]

Answer:

mean= 4.68

variance= 1.0296

Step-by-step explanation:

mean= n×p

n=6

p=0.78

mean= 6×(0.78)

           = 4.68

variance= n×p×(1-p)

             = 6 × 0.78×(1-0.78)

              = 1.0296

5 0
3 years ago
Read 2 more answers
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