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likoan [24]
3 years ago
10

Find y when x = 15 if y = 6 when x = 30

Mathematics
1 answer:
Ivahew [28]3 years ago
6 0
Y is 12 you just multiply by 2 since 15 was multiplied by 2 as well
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Charlotte drives 64 mph for the first 3 hours of her trip and 92 mph for last 4 hours.
german

Answer:

80 mph

Step-by-step explanation:

\boxed{\sf Distance=Speed \times Time}

<u>First leg of trip</u>

  • Speed = 64 mph
  • Time = 3 hours

\implies \sf Distance =64\times 3 = 192\:miles

<u>Second leg of trip</u>

  • Speed = 92 mph
  • Time = 4 hours

\implies \sf Distance=92 \times 4 = 368\:miles

\boxed{\sf Speed=\dfrac{Distance}{Time}}

To find the average speed:

\begin{aligned}\implies \sf Average\:speed & = \sf \dfrac{Total\:distance}{Total\:time}\\\\ & = \sf \dfrac{192+368}{3+4}\\\\& = \sf \dfrac{560}{7}\\\\ & = \sf 80\:mph\end{aligned}

6 0
2 years ago
Read 2 more answers
Last year, 50 students attended the winter carnival. This year, 60 students attended the carnival. Which statement below correct
SVETLANKA909090 [29]

Answer: 20% increase

Step-by-step explanation:

change/ original number

(60 - 50 / 50) x 100 = 20

20%

5 0
3 years ago
Read 2 more answers
Find the first, fourth, and eighth terms of the sequence. a(n)=-2 x 2^n-1
leonid [27]

Answer:

2, 16 and 256.

Step-by-step explanation:

Just substitute  for n:-

first term ( when n = 1) =  2 * 2^(1-1)

= 2 * 1 =  2

4th term =  2 * 2^(4-1) =  16

8th term = 2* 2^(8-1) = 256

8 0
3 years ago
What number round to 200.000 when rounded to the nearest hundred thousand? Choose all that apply
Anuta_ua [19.1K]

Answer:

Is there multiple choice to this question?

anyway the answer maybe is: 0

7 0
3 years ago
Please help me solve this problem
Diano4ka-milaya [45]

Answer:

20 feet

Step-by-step explanation:

48 inches is equivalent to 2 feet

so basically 10 x 2 gets you 20 feet

6 0
3 years ago
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