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2 years ago

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Mathematics

1 answer:

Alla [95]2 years ago

5 0

Answer:

2x + 3y > 100

x + y = 40

Step-by-step explanation:

This is the answer because it shows the price of each and the combined products equaling more than 100 dollars, and the bottom one shows that the combined total of jewelry can not exceed 40 pieces.

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The 888 mile trip to the ranch took three times as long as the 280 mile trip to the ocean because the speed was 4 mph less than

ziro4ka [17]

Alright, lets get started.

Suppose the speed to the ranch = x mph

So, speed to the ocean will be = (x-4) mph (because the speed was 4 mph less than the speed to the ranch)

Distance to the ranch = 888 miles

time moving to the ranch $= \frac{distance}{speed}$

time moving to the ranch $= \frac{888}{x}$

time moving to the ocean $= \frac{280}{x-4}$

As per given in question, the 888 mile trip to the ranch took three times as long as the 280 mile trip to the ocean , means

$\frac{888}{x} = 3 * \frac{280}{x-4}$

$\frac{888}{x}= \frac{840}{x-4}$

Corss multiplying

$888 (x-4) = 840 x$

$888 x - 3552 = 840 x$

$48 x = 3552$

$x=74$

Hence speed to ranch = 74 mph

Hence speed to ocean = $74 - 4 = 70$ mph

time for trip to ranch = $\frac{888}{74} = 12$ hrs

time for trip to ocean = $\frac{280}{70} = 4$ hrs

So, speed to ranch is 74 mph and trip time is 12 hrs and speed to ocean is 70mph and time is 4 hrs.

Hope it will help :)

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3 years ago

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234 students in 9 different classrooms. What is the ratio of students to classrooms?

Vilka [71]

Answer:

26 students per classroom

Step-by-step explanation:

To solve this, the ratio 234 students:9 classrooms must be converted to:

s students:1 classroom

To convert the ratio, 9 was divided by 9 to get 1, and so you must also divide 234 by 9 to maintain the same ratio, which gives us the answer:

26 students: 1 classroom

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3 years ago

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marshall27 [118]

Answer:

7) -3

8) B

Step-by-step explanation:

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pychu [463]

Answer:

The answer to your question is 16° being the first one

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Use the scenario to answer the question. Tyrone was asked to write the recursive and explicit formula for the sequence {−4,−7,−1

Anton [14]

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