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Alexxx [7]
2 years ago
10

Select the correct answer.

Mathematics
2 answers:
alexdok [17]2 years ago
6 0

Answer:

4

Step-by-step explanation:

65% add 15% is 80%

Therefore they lose 20%
20% of 20:

20 divided by 10 is 2

2 multiplied by 2 is 4

or

20 divided by 5 is 4

alexandr1967 [171]2 years ago
5 0

Answer:

4 is the answer

Step-by-step explanation:

they lost 4matches

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Roberto has run the first 18 miles of a race, which means he is 72% finished. How long is the race
Mamont248 [21]

Answer:

25 miles

Step-by-step explanation:

18 ÷ 72% =

18 ÷ (72 ÷ 100) =

(100 × 18) ÷ 72 =

1,800 ÷ 72 =

25

6 0
3 years ago
Solve the system of equations. 13x−y=90
Ann [662]
Lets solve the system of equations step by step.
13x-y=90 equation (1)
y=x^2-x-42 equation (2)

Step 1. Solve for y in equation (1)
13x-y=90
-y=90-13x
y=13x-90 equation (3)

Step 2. Replace equation (3) in equation (2) and solve for x:
y=x^2-x-42
13x-90=x^2-x-42
x^2-14x+48=0
(x-6)(x-8)=0
x=6 equation (4)
x=8 equation (5)

Step 3. Replace equation (4) and equation (5) in equation (3)
(4) in (3)
y=13x-90
y=13(6)-90
y=-12

(5) in (3)
y=13x-90
y=13(8)-90
y=14

We can conclude that the solutions of our system of equations are (6,-12) and (8,14)
8 0
4 years ago
Read 2 more answers
Pls help this is worth 50 points
LekaFEV [45]

Answer:

Ist container = 4.8

2nd container 2.4

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Can’t solve this problem
Georgia [21]
The answer is 5 units. the top is 10, and x is half of that
5 0
3 years ago
Suppose that you have a bowl of 500 m&m candies, and each day you eat 1/4 of the candies you have. Is the number of candies
Aleks [24]

Answer:

500(.75)^{n}

Step-by-step explanation:

It is changing exponentially because if you are eating a fraction of the left over m & m's, that is a different amount each time so it can't be linear.

500(1-(1/4))^n

500(.75)^{n}

8 0
3 years ago
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