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miskamm [114]
2 years ago
7

Evaluate the expression 3X plus Z plus 2Y -12 if X equals 3Y equals eight and Z equals five

Mathematics
1 answer:
Sveta_85 [38]2 years ago
7 0

Hey there!

3x + z + 2y - 12

We know this information:

x = 3

y = 8

z = 5

With this information, we’ll just “fill in the blanks” (aka the parts with the exponents)

So, the expression would look like this:

(3 * 3) + 5 + (2 * 8) - 12

Now, we solve (see photo)

Therefore, the answer is 18

Hope this helps you!

God bless ❤️

xXxGolferGirlxXx

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A spherical globe has a diameter of 10 inches. What is the approximate volume of the globe?
adelina 88 [10]

Answer:

523.33 in^3

Step-by-step explanation:

A sphere is a 3-dimensional version of a circle. An example of a sphere is a ball

Volume of a sphere = \frac{4}{3}πr^{3}

Where

π = 3.14

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

diameter = 2r

Radius = 10 in / 2 = 5 inches

\frac{4}{3} × 3.14 ×5^{3} = 523.33 in^{3}

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3 years ago
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antiseptic1488 [7]

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Step-by-step explanation:

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3 years ago
What is the approximate area of the circle shown below? 9.4 cm
wlad13 [49]

Answer:

A=3.14(9.4 squared)9.4 squared= 88.363.14(88.36)= 277.4504277.4504 is close to 278 The answer is D.

Hope this helps!

8 0
3 years ago
Read 2 more answers
A university is composed of five schools. The enrollment in each school is given:
Lostsunrise [7]

Answer:

34.767 enrollments/computer

Step-by-step explanation:

According to the Hamilton's method, the standard divisor, D, is determined by dividing the number of enrollments in all schools by the number of new computers available:

D=\frac{1050+1410+1850+2540+3580}{300}\\D=34.767\  enrollments/computer

The standard divisor for this situation should be 34.767 enrollments/computer.

8 0
3 years ago
Use intercepts to graph x-6y=24
Taya2010 [7]

Step-by-step explanation:

x-6y=24

Isolate the Y variable

-6y=-x+24

y=(1/6)x  -4

In this case, -4 is the y intercept. Plot a point on the Y-axis (0, -4)

1/6 is the slope. You go up one unit, and then you go right 6 units to plot your next point.

Here is a great website to solve problems like these

Desmos Graphing Calculator

Just google it!

I hope this helps.

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