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3 years ago

13

Which situation results in a final value of zero?

2 answers:

Anna [14]3 years ago

4 0

C.
2.5mi to someplace then coming back is 0

ludmilkaskok [199]3 years ago

3 0

Answer:

I believe the answer is D because even though c and d are similar, in C, the total distance ridden is 5 miles because they rode back and forth so you add the distances. In D, you don't earn any profit because you sold the item for the original price. That is why I think the answer is D. A and B isn't giving 0 as the answer because A is 6 for the answer and B's answer is 24.

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I only need help with A.

Vlada [557]

15 x 20 and 10 x 30 hope this works

6 0

2 years ago

A business rents in-line skates and bicycles to tourists on vacation. A pair of skates rents for $5 per day. A bicycle rents for

erica [24]

Answer:

5x+20y=425

Step-by-step explanation:

Its 5 bucks for x pairs of skates

Its 20 dollars for y bikes

x+y rentals have to equal 25

all of this is equal to 425. All that is left to do is test with number until the statement is true.

try :

5(5)+(20)(20)=425

x + y do equal 25, and the total is equal to 425.

7 0

3 years ago

What would be the fraction of the amount the hundred chart is shaded in? Reduce if possible!

laiz [17]

If i’m not mistaken, it should be 2/10, or 20/100. and it’s percentage would be 20%

6 0

2 years ago

Read 2 more answers

Please solve the following sum or difference identity.

xxTIMURxx [149]

Answer:

$sin(A - B) = \frac{4}{5}$

Step-by-step explanation:

Given:

$sin(A) = \frac{24}{25}$

$sin(B) = -\frac{4}{5}$

Need:

$sin(A - B)$

First, let's look at the identities:

sum: $sin(A + B) = sinAcosB + cosAsinB$

difference: $sin(A - B) = sinAcosB - cosAsinB$

The question asks to find sin(A - B); therefore, we need to use the difference identity.

Based on the given information (value and quadrant), we can draw reference triangles to find the simplified values of A and B.

sin(A) = $\frac{24}{25}$

cos(A) = $\frac{7}{25}$

sin(B) = $-\frac{4}{5}$

cos(B) = $\frac{3}{5}$

Plug these values into the difference identity formula.

$sin(A - B) = sinAcosB - cosAsinB$

$sin(A - B) = (\frac{24}{25})(\frac{3}{5}) - (-\frac{4}{5})(\frac{7}{25})$

Multiply.

$sin(A - B) = (\frac{72}{125}) + (\frac{28}{125})$

Add.

$sin(A - B) = \frac{4}{5}$

This is your answer.

Hope this helps!

6 0

3 years ago

Read 2 more answers

7. Solve |3x – 2| = |x + 1|

Vladimir [108]

2x -2 =1

2x = 3

x =1.5

5 0

3 years ago