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MAVERICK [17]
3 years ago
7

PLEASE CHECK MY ANSWERS (PART 1)

Mathematics
2 answers:
Tpy6a [65]3 years ago
8 0
You're smart! You don't need us checking your work. They are correct anyway 
andrezito [222]3 years ago
7 0
All of you answers are correct. Great job! But it is always good to check answers!
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Select the correct answer.
tatiyna
The answer is x=-4 and x=-1
4 0
3 years ago
Jillian is selling boxes of cookies to raise money for her basketball team. The 10 oz. box costs $3.50, while the 16 oz. box cos
RideAnS [48]

Answer:

Jillian sold 15 ten-oz bags and 9 sixteen-oz bags.

Step-by-step explanation:

Let x represent number of 10-oz bags and y represent number of 16-oz bags.

We have been given that Jillian sold 24 boxes of cookies in total. We can represent this information in an equation as:

x+y=24...(1)

We are also told that 10 oz. box costs $3.50, while the 16 oz. box costs $5.00, so the cost of x 10-oz bags would be 3.50x and cost of y 16-oz bags would be 5y.

At the end of one week, she collected $97.50. We can represent this information in an equation as:

3.5x+5y=97.50...(2)

Now, we will use substitution method to solve our system of equations. From equation (1), we will get:

y=24-x

Substitute this value in equation (2):

3.5x+5(24-x)=97.50

3.5x+120-5x=97.50

-1.5x+120=97.50

-1.5x+120-120=97.50-120

-1.5x=-22.5

\frac{-1.5x}{-1.5}=\frac{-22.5}{-1.5}

x=15

Therefore, the number of 10-oz boxes sold be Jillian is 15.

Now, we will substitute x=15 in equation (1) to solve for y.

15+y=24

15-15+y=24-15

y=9

Therefore, the number of 16-oz boxes sold be Jillian is 9.

8 0
3 years ago
(X-5)(x-5)-3=1<br><br> Value of x, I give 10 points to the best answer, please.
kodGreya [7K]

Answer:x= 7, 3

Step-by-step explanation:

7 0
2 years ago
Point B lies between A and C. If AB = 15 units and AC = 50 units, what is the length of BC?
Alexxandr [17]

Answer:

BC = 35 units

Step-by-step explanation:

fjtcjcuttiftfitcurcuruchrxruxfxurdurux

5 0
3 years ago
Scott baked a batch of rolls. He gave a bag of 10 rolls to each of 7 friends he kept 1 roll for himself. How many rolls did he b
Serjik [45]
7 times 10 is 70, so in total the friends got that amount, but we aren’t done, because we still need to add the roll that he kept for himself, so it’s 71. Notice that it didn’t say he left a whole bag for himself, just one roll.
6 0
3 years ago
Read 2 more answers
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