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gizmo_the_mogwai [7]
3 years ago
13

At a basketball​ game, a team made 57 successful shots. They were a combination of​ 1- and​ 2-point shots. The team scored 99 po

ints in all. Write and solve a system of equations to find the number of each type of shot. 40 POINTS

Mathematics
1 answer:
Rufina [12.5K]3 years ago
8 0

Answer:

The number of 1-point shots is 15 and the the number of 2-point shots is 42

Step-by-step explanation:

Let

x ----> the number of 1-point shots

y ----> the number of 2-point shots

we know that

x+y=57 ----> equation A

x+2y=99 ----> equation B

Solve the system by graphing

Remember that the solution of the system is the intersection point both graphs

using a graphing tool

The intersection point is (15,42)

see the attached figure

therefore

The number of 1-point shots is 15 and the the number of 2-point shots is 42

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Janae has 280 dimes in her piggy bank she has 10 times as many pennies how many pennies does Janae have
Natalija [7]

Answer:

She has 28 pennies

Step-by-step explanation:

Janae has 280 dimes in her piggy bank she has 10 times as many pennies .

If she has 280 dimes in piggy bank

And has 10 times as many pennies

Let dimes= x

Let pennies= y

X= 10y

But x= 280

280= 10y

280/10 = y

28 = y

She has 28 pennies

8 0
3 years ago
HELPPPP PLEASE HELP ME WITH BASIC MATH I REALLY APPRECIATE IT ((WILL MARK AS BRAINLIEST))​
Yakvenalex [24]

Answer:

3) 522

4) 468

Step-by-step explanation:

hello!

3) in the question, it says the cross section is a square, and the area of PQRS is 81.

for the square, we know that the length and height have to be the same, so if the area is 81, then we know the sides are both 9 because 9*9 is 81 and they're the same numbers multiplied. (same height and length)

with the information that all 4 sides of the square is 9 and the other side is labeled 10, we can figure out the rest.

both squares : 81+81=162

both 10 by 9 sides: 90+90=180

both 10 by 9 sides (top and bottom): 90+90=180

total surface area=162+180+180=522

4) for this problem, we can see that the triangle is a right triangle.

to solve the area of the triangle, we can do (9*12)/2=108/2=54.

there are two sides with triangles, so we double 54 (54*2=108)

9 by 10 side: 90

10 by 12 side: 120

now for the last slide, theres no information on the length. the formula for the diagonal is

a^2+b^2=c^2

which is

9^2+12^2=81+144=255=15^2

with this, the area of the rectangular side gives us 10*15 which is 150.

adding it together, we get

108+90+120+150=468.

hope this helps!

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2 years ago
The ratio of cats to dogs at the shelter
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The ratio of cats to dogs is 15 to 10 there are 10 dogs.
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Answer:

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Step-by-step explanation:

3 0
3 years ago
Don’t know how to solve, help ?
yawa3891 [41]
I believe the answer is 88 because the 120 will create a straight angle which is 180. Then you do 180-120=60. This is the measure I the left angle. Now your answer will be 88
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