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3 years ago

Caroline drove 350 miles. It took her 5 1/4 hours. what was her speed per miles

Mathematics

1 answer:

Helen [10]3 years ago

8 0

Around 70mph count 50miles per 10mph and you’ll get 70mph by the you hit 350miles

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The sum of the reciprocals of two consecutive even integers is 3/4 Find the two integers.

Vedmedyk [2.9K]

$\Large{ \underline{ \underline{ \bf{ \orange{Solution:}}}}}$

Let one of those even numbers be x, Then other even number would be x + 2.

According to question,

⇛ Their reciprocal add upto 3/4

So, we can write it as,

⇛ 1/x + 1/x + 2 = 3/4

⇛ x + 2 + x / x(x + 2) = 3/4

⇛ 2x + 2 / x² + 2x = 3/4

Cross multiplying,

⇛ 3(x² + 2x) = 4(2x + 2)

⇛ 3x² + 6x = 8x + 8

⇛ 3x² - 2x - 8 = 0

⇛ 3x² - 6x + 4x - 8 = 0

⇛ 3x(x - 2) + 4(x - 2) = 0

⇛ (3x + 4)(x - 2) = 0

Then, x = -4/3 or 2

☃️ It can't be -4/3 because it is fraction and negative number. So, x = 2

Then, x + 2 = 4

✤ So, The even numbers are 2 and 4.

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4 0

3 years ago

225 is 75% of what number?

Licemer1 [7]

300? i think its right but im not sure

7 0

3 years ago

PLS HELP ME ON TTHIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER PLS GIVE ME A STEP BY STEP EXPLANATION WHILE

lbvjy [14]

9514 1404 393

Answer:

D (compute the mean)

Step-by-step explanation:

A box plot is a visual representation of the 5-number summary of a set of data. It is plotted against a number line.

The 5-number summary of the data set is most easily determined from an ordered set of the data, so ordering the data is usually the first step. Since the 5-number summary is plotted against a number line, the next steps are finding the 5-number summary, and creating a suitable number line.

The business of adding the data and dividing by the number of data items is a description of computing the mean of the data. That value is not part of the 5-number summary, and is not needed in the creation of the box plot.

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3 years ago

states that “providing shelter to Jews was a crime punishable by death.” How does this statement contribute to the development o

Svetach [21]

Answer:

United states

Step-by-step explanation:

Hope that helped

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3 years ago

What is the soultons from least to greatest (x+6)(-x+1)=0

Otrada [13]

Answer x = -6,1. hope that helped have a good day

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3 years ago