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zimovet [89]
2 years ago
4

A basketball player hit the basket eighteen times during the game. He scored a total of 30 points, two points for each field goa

l and one point for each free throw. If he threw 6 more field goals than free throws, how many field goals did he make? How many free throws did he make
-Pls provide work :)
Mathematics
1 answer:
kolezko [41]2 years ago
4 0

Answer: He made 6 free throws and 12 field goals.

Step-by-step explanation:

Let x = Number of free throws

Then, Number of field goals = x+6

Number of times player hit the basket = 18

According to the question,

x+(x+6)=18

⇒ x+x+6=18

⇒ 2x+6=18

⇒ 2x=18-6

⇒ 2x=12

⇒ x=6              [Divide both sides by 2.]

So, he made 6 free throws and (6+6=) 12 field goals.

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Yukiko has 10,000 cubic centimeters of sand in a bag.She turns the pyramid shown upside down and pours the sand into it .Wjat fr
stepan [7]
She can fill 5/12 of the pyramid.

The volume of a pyramid is given by the formula 
V = 1/3lwh.  Using our information, we have:

V = 1/3(40)(30)(60) = 24000 cm³

She has 10,000 cm³ of sand; 10000/24000 = 5/12.
7 0
2 years ago
A professor uses a video camera to record the motion of an object falling from a height of 250 meters. The function f(x) = –5x2
Romashka [77]

Answer:

The answer is approximately 5.09 seconds.

Step-by-step explanation:

The given equation is:

f(x) = -5x^2 + 250

To find the elapsed time, x, set the equation equal to 120 and solve for x:

-5x^2 + 250 = 120

-5x^2 = -130

x^2 = -130/-5 = 26

x = Sqrt(26) = 5.09 seconds.

8 0
2 years ago
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Alex's friend Pablo comes up with an exact equation to find out how many bags he needs. Use his equation
Bezzdna [24]

Answer:

8.5 bags are needed.

Step-by-step explanation:

Given : Number of bags needed B=x(2x+7)+3(2x+7)+(x+4)

            (2x + 7) = 4

To Find :  how many bags he needs?

Solution :

(2x + 7) = 4

2x=-3

x=-\frac{3}{2}

Now we are given that Number of bags needed B=x(2x+7)+3(2x+7)+(x+4)

Substitute the value of x

B=(\frac{-3}{2})(2(\frac{-3}{2})+7)+3(2(\frac{-3}{2})+7)+((\frac{-3}{2})+4)

B=8.5

Hence 8.5 bags are needed.

3 0
2 years ago
A gene can be either type A or type B, and it can be either dominant or recessive. If the gene is type B, then there is a probab
WARRIOR [948]

Answer: The probability that a gene is of type A is 0.29.

Step-by-step explanation:

Let A be the event of type A.

Let B be the event of type B.

Let D be the event of dominant.

So, P(B and D) = 0.22

P(D|B)=0.31

So, Using the conditional probability, we get that

P(B|D)=\dfrac{P(B\cap D)}{P(B)}\\\\0.31=\dfrac{0.22}{P(B)}\\\\P(B)=\dfrac{0.22}{0.31}=0.71

So, the probability that a gene is of type A is given by

P(A)=1-P(B)=1-0.71=0.29

Hence, the probability that a gene is of type A is 0.29.

8 0
2 years ago
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A cafeteria used 63.50 kilograms of beans to make 5 batches of chili. How many kilograms of beans were used in each batch of chi
Vilka [71]
The word problem gives you the information you need to solve it.

5 batches of chili were made using 63.5 kg of beans total. You can assume the same amount of beans were used in each of the 5 batches, so ...

your equation would be:

63.5 ÷ 5 = # of beans in each batch.

63.5 ÷ 5 = 12.7

12.7 kg of beans were used in each of the 5 batches.

Check step:

12.7 × 5 = 63.5


6 0
2 years ago
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