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3 years ago

Carly has averaged four goals per game for the first eight games of the indoor soccer season (which runs for 10 games)

Mathematics

1 answer:

alex41 [277]3 years ago

6 0

Answer:

Step-by-step explanation:

i did 8x4 which is 32

and knowing how to do averages i knew the total of the numbers was going to be divided by the amount of numbers, so i knew that it had to add up to 50 because 50/10 is 5.

so i knew i needed 18 more points, 18/2 = 9 so

4(8) + 9(2) = 32 + 18 = 50

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The difference in age between Brita and her daughter Eva is 30 years. The sum or their ages is 118. How old is Eva?

seraphim [82]

Answer: 44 years

Step-by-step explanation:

Let Brita's age be x and the daughter's age be y , then from the first statement :

$x - y = 30$

From the second statement :

$x + y = 118$

solving the resulting linear equation , add the two equations , we have

$2x = 148$

$x = 74$

substitute 74 into equation 1 to find the value of y

$74- y = 30$

$y = 74 - 30$

$y = 44$

Therefore :

Eva = 44 years

6 0

2 years ago

Factor the trinomial!! PLEASE HELP and if possible please explain how to do this!!

Nikitich [7]

Answer:

d. a = 39

Step-by-step explanation:

Question:

for which value of "a" will the trinomial be factorizable.

x^2+ax-40

For the expression to have integer factors, a = sum of the pairs of factors of -40.

-40 has following pairs of factors

{(1,-40), (2,-20, (4,-10), (5,-8), (8, -5), (10,-4), (20,-2), (40,-1) }

meaning that the possible values of a are

+/- 39, +/- 18, +/- 6, +/- 3

out of which only +39 appears on answer d. a=39

4 0

3 years ago

There are 4 pieces of paper, numbered 10 to 13, in a hat. After another numbered piece of paper is added, the probability of pic

yKpoI14uk [10]

Answer: The fifth piece of paper could have any number 9 and less or 14 and greater.

Step-by-step explanation: The list of choices is not given in the question, but it makes sense that the new number would not be a duplicate of any of the numbers 10, 11, 12, 13. Otherwise that would change the probability to 5/5.

So any other number could be a possibility.

5 0

3 years ago

Chuck left his house to ride his bike in a path like the right triangle

mart [117]

It would be 10 miles since we use Pythagorean Theorem

5 0

3 years ago

Is 23.6404 greater than 23.64112?

melamori03 [73]

Answer:

Step-by-step explanation:

23.64112 > 23.6404

Reason : 1/1000 place value in 23.64112 is 1.

1/1000 place value in 23.6404 is 0.

4 0

3 years ago

Read 2 more answers