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Fiesta28 [93]
2 years ago
6

john, a meteorologist recorded the tempetures from monday to friday and the temeturesof five days was 40f. the tempeture red=cor

ded on four days were 40f 39f 44f and 40f what tempeture was recorded in the fifth day
Mathematics
1 answer:
LUCKY_DIMON [66]2 years ago
4 0

Answer:

37

Step-by-step explanation:

To find the average, you need to add all the numbers in the set and divide that value by the total amount of numbers there are,

We already know that the average of the set of temperatures is 40,

Since there are 5 different days with temperatures, multiply 40 by 5,

40 × 5

= 200

200 is what all the temperatures should equal once they are added up,

Now add 40, 39, 44, and 40 together,

40 + 39 + 44 + 40

= 163

Now subtract 163 from 200,

200 - 163

= 37

Therefore the temperature that was recorded on the fifth day was 37f.

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bearhunter [10]
<h3>Answer:</h3>

x=2

<h3>Solution:</h3>
  • In order to isolate x, we should first of all take the square root of both sides.
  • If we take the square root of the left-hand side, we will get
  • x-\displaystyle\frac{1}{2}
  • How about the right-hand side? Well, we should take the square root of the numerator (9) and the denominator (4)
  • So we have
  • x-\displaystyle\frac{1}{2} =\frac{3}{2}}
  • Move -1/2 to the right:
  • x=-\displaystyle\frac{3}{2} +\frac{1}{2}
  • x=\displaystyle\frac{4}{2}
  • x=2

Hope it helps.

Do comment if you have any query.

6 0
2 years ago
A dealership has 42 cars that are last year’s model that they still need to sell. Because they are last year’s model, each of th
slavikrds [6]

Using proportions, the multiplication expression to determine the total change in the value of these cars at the dealership is given by:

T = -1,200 x 42.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.

For this problem, we have that one car depreciated on average -$1,200. We want to find the amount relative to 42 cars, and this amount can be found by the following<em> rule of three</em>.

1 car - -$1,200.

42 cars - $T

Applying cross multiplication, the expression is given by:

T = -1,200 x 42.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

8 0
2 years ago
The owner of a quick oil-change business charges
Mkey [24]

Answer:

the sun is actually a planet

Step-by-step explanation:

8 0
3 years ago
A florist is arranging flowers in vases. There are 4 red flowers and 5 white flowers in every vase. The florist wants to make on
vichka [17]

There will be 72 flowers in total in the large arrangement.

Step-by-step explanation:

No. of red flowers in vase = 4

No. of white flowers in vase = 5

Ratio of red flowers to white flowers = 4:5

No. of red flowers in large arrangement = 32

No. of white flowers in large arrangement = w

Ratio of red flowers to white flowers = 32:w

Using proportion;

Ratio of red flowers to white flowers :: Ratio of red flowers to white flowers

4:5::32:w

Product of extreme = Product of mean

4*w=32*5\\4w=160

Dividing both sides by 4

\frac{4w}{4}=\frac{160}{4}\\w=40

Total flowers in large arrangement = Red flowers + white flowers

Total flowers in large arrangement = 32 + 40 =72

There will be 72 flowers in total in the large arrangement.

Keywords: ratio, proportion

Learn more about ratios at:

  • brainly.com/question/4228574
  • brainly.com/question/4279146

#LearnwithBrainly

5 0
3 years ago
Frank is building a table. He needs 4 pieces of wood for the table legs. Each piece of wood needs to be 7/8 of a foot long. What
Setler79 [48]
A 3 1/2 feet

7/8x4=28/8

28/8=3.5
6 0
4 years ago
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