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olga_2 [115]
3 years ago
10

A cyclist travels from Ato B in two stages. Stage one is 28kmwhich is 2/7 of the total journey . How long is stage 2

Mathematics
1 answer:
Sladkaya [172]3 years ago
6 0
Stage B would be 70km since 5/7 is stage B and 5 x 14 = 70
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A bicycle Rocco wants to buy is $282. If the sales tax rate is 4% of the total price how much sales tax will Rocco pay?
attashe74 [19]

Answer:

11.28

Step-by-step explanation:

282×4%=11.28 for sales tax

282+11.28= 293.28 would be total for bike and sales tax

3 0
3 years ago
How the heck do I do this? And what’s the answer?
stira [4]

Answer:

Option A

Step-by-step explanation:

We need to find two expressions that, when simplified, give the same results.

1) First, simplify the expression stated in the question. Multiply each of the terms in the parentheses by the number that is next to them. This would mean you have to multiply both 9x and -6 by \frac{2}{3}. You also have to multiply \frac{1}{2}x and -\frac{1}{2} by 4. Then, simplify.

\frac{2}{3}(9x-6) + 4 (\frac{1}{2} x - \frac{1}{2})\\\frac{18}{3}x- \frac{12}{3} + \frac{4}{2}x -\frac{4}{2} \\6x - 4 + 2x - 2

2) Now, combine the like terms.

6x - 4 + 2x - 2

8x - 6

So, we need to find which of the expressions listed equal 8x - 6.

3) Let's try option A. Do the same as before. Multiply each of the terms in the parentheses by the number that is next to them. So, multiply 4x and -12 by \frac{3}{4}. Also, multiply 30x and 18 by \frac{1}{6}. Then, combine like terms and simplify.

\frac{3}{4} (4x-12) + \frac{1}{6}(30x + 18)\\\frac{12}{4}x-\frac{36}{4} + \frac{30}{6} x + \frac{18}{6}   \\3x - 9 + 5x + 3 \\8x - 6

This also equals 8x - 6. Therefore, option A is the answer.

5 0
2 years ago
Hi! how do i find surface area of a cylinder? for some reason i can’t get the right answer
asambeis [7]
SA=2\pi r^2+2\pi rh

Use the formula above to find the surface area of a cylinder.

For the given cylinder the given data is the height (6mi) and diameter (16mi), use the diameter to find the radius:

\begin{gathered} r=\frac{d}{2} \\  \\ r=\frac{16mi}{2}=8mi \end{gathered}

Surface area:

\begin{gathered} SA=2\pi(8mi)\placeholder{⬚}^2+2\pi(8mi)(6mi) \\ SA=128\pi mi^2+96\pi mi^2 \\ SA=224\pi mi^2 \end{gathered}Then, the surface area of the given cylinder is: 224π square miles

5 0
11 months ago
DEFFERENTIATE X^sinx
inna [77]

Answer:

y = x^(sin(x))

y = e^(SIN(x)*LN(x))

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y' = (COS(x)·LN(x) + SIN(x)/x)*x^(SIN(x))


4 0
3 years ago
Read 2 more answers
PLEASE ANSWER OR ILL FAIL MATH
Anit [1.1K]
The answer is 210 just multiply 420 by 7 cause theres 7 days is a week you get 2,940 minus from 3,150
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3 years ago
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