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Mathematics

1 answer:

ankoles [38]3 years ago

4 0

54 shots. 9 out of 12 means she is making 75% of her shots. 75% of 72 is 54.

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For each ordered pair, determine when weather it’s a solution to 7x -6y=19

kumpel [21]

<h3>Answer:</h3>

Options A and B

<h3>Solution:</h3>

In order to determine whether or not an ordered pair is a solution to an equation, plug in the values of x and y:
7x-6y=19
7(7)-6(5)=19
49-30=19
19=19
We have a true statement. Therefore, the ordered pair is a solution to the equation 7x-6y=19.
Let's try the other ordered pairs.
7(1)-6(-2)=19
7+12=19
19=19
Here's another true statement.
Let's check the remaining two options:
7(-5)-6(3)=19
-35-18=19
-53≠19
Here we have a false statement.
7(-4)-6(0)=19
-28-6=19
-34≠19
Therefore, the ordered pairs that make this equation true are (7,5) and (1,-2)

Hope it helps.

Do comment if you have any query.

7 0

3 years ago

Only number 17 I need help with plz help this is sooo hard

vaieri [72.5K]

$96 = (((x + 6) + (x)) \div 2)8$
x=9
Base 1=15
Base 2=9

5 0

3 years ago

A 40 of foxes in a wildlife preserve quadruples in size every 13 years. The function y=40•4^4, where x is the number of 13-year

SashulF [63]

Answer:

640 foxes

Step-by-step explanation:

The actual formula is $y = 40 * 4^{x}$

Now that we have the real formula we would need to find out how many 13 year periods exist in the 26 years that are being used in the question. We calculate this by simply dividing 26 by 13.

26 / 13 = 2 periods

Therefore, now that we know there are 2 periods of 13 years in the 26-year span, we plug this value into the formula and solve for y...

$y = 40 * 4^{x}$

$y = 40 * 4^{2}$