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2 years ago

The temperature was 54° at 7:00am. At 3:00pm on the same day, the temperature

Mathematics

1 answer:

mariarad [96]2 years ago

3 0

Answer:

3.5

Step-by-step explanation:

what you would do is from 7am to 3pm its 8 hours. then you would do 82 degrees - 54 degrees and you would get 28 degrees. ok then you would do 28 degrees divided by the 8 hours and you would get 3.5 degrees per hour.

hope this helps.

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Convert the following decimals into rational numbers:<br>1.4325

matrenka [14]

Answer

$\frac{573}{400}$

step-by-step explanation:

$\frac{1.4325}{1}$ × $\frac{10000}{10000}$ = $\frac{14325}{10000}$

Simplify

$\frac{14325}{10000}$ ÷ $\frac{25}{25}$ = $\frac{573}{400}$

5 0

2 years ago

If the standard deviation of a data set was originally 6, and if each value in the

MakcuM [25]

Answer:

Step-by-step explanation:

answer is B

hope it helps you

please mark as brainliest

5 0

1 year ago

Factor the quadratic by checking factor pairs.<br> 6x2 + 7x + 1<br><br> 6x2 + 7x + 1 =

Sati [7]

Answer:

U cannot use factorisation method to solve this, we are to use formula method

Step-by-step explanation:

6x²+7x=1

6 0

3 years ago

Mira has breakfast at a restaurant. She leaves a 20% tip of

Dmitry [639]

Answer:

Step-by-step explanation:

set up a proportion where 20% is represented as 20/100 and set it equal to 1.80/x

cross multiply and you should get 180=20x

divide by 20 to solve for x

you then get 9, which is the amount you were looking for

8 0

3 years ago

Thrice the difference between X and 4 is less than 9

NeX [460]

Thrice means three, so 3 times the difference of x and 4.

3(x - 4) < 9
multiply 3 by all in parentheses
(3*x) + (3*-4) < 9
3x - 12 < 9
add 12 to both sides
3x < 21
divide both sides by 3
x < 7

ANSWER: x < 7

Hope this helps! :)

4 0

3 years ago