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3 years ago

60 points! Someone please help no one is helping me. ONLY AMSWER OF YOU KNOW THE ANSWER! RANDOM ANSWERS WILL BE REPORTED

Mathematics

2 answers:

Orlov [11]3 years ago

7 0

The answer is 30 and 27.

Eduardwww [97]3 years ago

6 0

Answer:

30 and 27

Step-by-step explanation:

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Which best represents the units of the average rate of change for the boiling point based on the amounts of ethylene glycol in t

mario62 [17]

Answer:

Option b. degrees Fahrenheit/(mililiters)

Step-by-step explanation:

we know that

The formula to calculate the average rate of change between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

we have that

the units of the y-axis are ${\°F}$

the units of the x-axis are ${ml}$

therefore

the units of the the average rate of change are

$m=\frac{\°F}{ml}$

3 0

3 years ago

In the rhombus m1 = 10x, m2 = x + y, m3 = 18z. Find the value of each variable

Blababa [14]

I think the question is missing some details. I found a similar question with an image as i attached in this question.

From this image, it its clear that m1, m2 and m3 refers to the angles in the middle of the rhombus

Answer:

x = 9

y = 81

z = 5

Step-by-step explanation:

Note that in rhombus, all sides are the same. If the diagonal lines are made, it will create 4 division of angles of 90 degrees.

Therefore m1 = m2 = m3 = 90 degrees

m1 = 10x and m1 =90

So, 10x = 90. Rearrange it to get x = 90/10 = 9

x = 9

m2 = x + y and m2 = 90

So, x + y = 90

9 + y = 90

y = 90 - 9 = 81

m3 = 18z and m3 = 90

So, 18z = 90

z = 90/18 = 5

3 0

4 years ago

The Calm Spa charges annual fee of $125 plus $10 per hour of use. The Relax Spa charges annual dues of $230 plus $7 per hour of

Oksi-84 [34.3K]

Answer:

The total number of hours = 35 hours.

Step-by-step explanation:

The annual fee of Calm Spa = $125

Per hour charge of Calm Spa = $10

Annual fee of Relax Spa = $230

Per hour charge of Relax Spa = $7

Now we have to find the number of hours for which both have same cost.

Let the number of hours = x

Thus, 125 + 10x = 230 + 7x

10x-7x = 230 – 125

3x = 105

x = 35

The total number of hours = 35 hours.

6 0

3 years ago

determine the range of the function in the table below. x f(x) 0 -4 2 2 4 8 {0, 2, 4} {-4, 2, 8} {(0, -4), (2, 2), (4, 8)} {(-4,

miv72 [106K]

<span>the range of the function in the table is the values under f(x). i.e. </span><span>{-4, 2, 8}</span>

7 0

3 years ago

A circular mirror has a diameter of 12 inches.what is the area, in square inches, of the mirror.

navik [9.2K]

Answer: The area of the mirror is 113.14 sq. inches [approx.].

Step-by-step explanation: Given that a circular can till 375 ft² of land in 15 min.

We are to find the area of the mirror in square inches.

The AREA of a circle with radius 'r' units is given by

$A=\pi r^2.$

The diameter of the circular mirror is 12 inches, so the radius of the mirror will be

$r=\dfrac{12}{2}=6~\textup{inches}.$

Therefore, the area of the circular mirror is

$A=\pi r^2=\frac{22}{7}\times 6^2=\dfrac{22\times 36}{7}=113.14~\textup{sq inches}~\textup{[approx.]}$

Thus, the area of the mirror is 113.14 sq. inches [approx.].

8 0

3 years ago

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