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djyliett [7]
2 years ago
11

I need help on this equation, it’s solutions to inequalities. I need explanation on why it’s that answer, plz, thx

Mathematics
1 answer:
SVEN [57.7K]2 years ago
5 0

Answer:

k=69

Step-by-step explanation:

(plug in 69 instead of k)

69/3 = 23.

23+1=24

The ≥ sign means 21 has to be GREATER or EQUAL to 17.

Is it?

24≥17?

YES!

So, it works out.

Hope this helps.

If you still don't get it, just ask again, I'll explain it in more detail.

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Which of these angles are the alternate interior angles theorem?
sleet_krkn [62]

Answer:

C. ECA = BDA

Step-by-step explanation:

An angle is said to be produced whenever two or more lines meet at a point. An interior angle is an angle form within two lines meeting at a point. Then, alternate interior angles are internal angles that are equal due to alternate theorem. These angles should have equal measures.

From the given question, the alternate interior angles by the theorem is;

ECA = BDA

By the alternate interior angle theorem, the alternate interior angles are ECA and BDA. This implies that the measure of <ECA should be equal to the measure of <BDA.

6 0
2 years ago
-3(-4)<br> I need the value
dexar [7]

Answer:

12

Step-by-step explanation:

3*4=12

the negatives cancel out.

5 0
3 years ago
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bulgar [2K]

Answer:

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8 0
2 years ago
In one month Miranda earned $800 at her part-time job, and $70 was withheld for federal income tax. Suppose she earns $1200 next
My name is Ann [436]
The answer is 105 dollars

7 0
3 years ago
A boat uses two pontoons to float. Each pontoon consists of a cylinder with a hemisphere at each end, as shown. Find the total v
zubka84 [21]

Answer:

Total \approx 20ft^3

Step-by-step explanation:

Given

h = 12ft --- height of the cylinder

d =1ft --- the diameter of the hemispheres at both end and the cylinder

See attachment for pontoon

Required

Determine the volume

First, calculate the radius (r)

r = \frac{1}{2} * d

r = \frac{1}{2} * 1ft

r = 0.5ft

Next, the volume of the cylinder

V_1 = \pi r^2h

V_1 = 3.14 * 0.5^2 * 12

V_1 = 9.42ft^3

Two hemispheres make up a sphere. So, we simply calculate the volume of a sphere.

V_2 = \frac{4}{3}\pi r^3

V_2 = \frac{4}{3} * 3.14* 0.5^3

V_2 = 0.52ft^3

So, the volume of 1 pontoon is:

V_3 = V_1 + V_2

V_3 = 9.42ft^3 + 0.52ft^3

V_3 = 9.94ft^3

The volume of both is:

Total = 2 * V_3

Total = 2 * 9.94ft^3

Total = 19.88ft^3

Total \approx 20ft^3

3 0
2 years ago
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