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murzikaleks [220]
2 years ago
9

Use the information to answer the following question.

Mathematics
1 answer:
svlad2 [7]2 years ago
8 0
Since he starts with (10x+7) dollars and is buying two pairs of jeans that each cost (4x-5) dollars you should subtract the cost of the jeans from his starting amount.

(10x+7)-2(4x-5)=
10x+7-8x+10=
2x+17
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Jamie kept track of the total hours and minutes she worked this week at the local health food store.
ddd [48]

1 hour = 60 minutes.

Convert the minutes to decimals by diving by 60

30/60 = 0.5

2 hours and 30 minutes = 2.5 hours

45/60 = 0.75

5 hours 45 minutes = 5.75 hours

15/50 = 0.25

3 hours 15 minutes = 3.25 hours

Ow add all the hours:

2.5 + 5 + 5.75 + 3.25 = 16.5 hours

Answer: B. 16.50

7 0
3 years ago
Convert each equation to standard form y-5=-3(x+2)​
ale4655 [162]

You said each equation but only posted one.

The standard form takes the place of

Ax + By = C.

y-5 = -3(x+2)​

y - 5 = -3x - 6

y = -3x - 6 + 5

3x + y = -1

Done.

8 0
3 years ago
Read 2 more answers
Which point on the number line represents -1/3?​
pshichka [43]
A represents it, since it’s on the negative side
4 0
3 years ago
Prove This :<br><br>sin(A+B)+sin(A−B)=2sinA⋅cosB​
MaRussiya [10]

Answer:

We know

sin (A + B) = sin A cos B + cos A sin B

sin (A - B) = sin A cos B - cos A sin B

(A + B) + sin (A - B)

= sin A cos B + cos A sin B + sin A cos B - cos A sin B

= sin A cos B + sin A cos B

= 2 sin A cos B

3 0
3 years ago
What is the product of 1 2/3 and −3 1/2 ?
Zinaida [17]

1/2*-3 1/2 = -21/4  = -5 1/4= <em>-5.25</em>

I hope this helps!!


8 0
3 years ago
Read 2 more answers
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