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alekssr [168]
4 years ago
7

Can a cross-section be a sphere?

Mathematics
2 answers:
Gelneren [198K]4 years ago
8 0
No because spheres are not polyhedra
monitta4 years ago
4 0

Answer:

Spheres are NOT polyhedra. The intersection of a plane with a sphere is a circle (or a point if tangent to sphere). All cross sections of a sphere are circles. (All circles are similar to one another.)

<em>Hope this helps??</em>

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Δ ABC is isosceles. If m∠A = 100°, m∠B = (12x + 4)°, and m∠C = (14x - 2)°, find x. A) 1 B) 3 C) 5 D) 7
valkas [14]
Since the sum of the angles of a triangle is 180 degrees, we simply have to add all the angles and equate it to 180 to solve for x. So:100 + 12x + 4 + 14x - 2 = 18026x = 78x = 3
So, x is equal to 3.

6 0
3 years ago
Sarah scored an 8/10 on the spelling test and Jonathan scored 75% of Sarah’s score on the spelling test. What is the score of Jo
Fudgin [204]

\frac{3}{5} is the score of Jonathan.

<h3 /><h3>What is percentage?</h3>

Percentage, which may also be referred to as percent, is a fraction of a number out of 100%. Percentage means "per 100" and denotes a piece of a total amount.

To calculate the percentage , Use the percentage formula:

X * \frac{Percentage}{100} = Y

According to the question:

Sarah scored on the spelling test  = \frac{8}{10}

Jonathan scored  = 75%

By formulating both the values;

\frac{8}{10}  * \frac{75}{100}

= \frac{3}{5}

Therefore , \frac{3}{5} is the score of Jonathan.

Learn more about percentage here:

brainly.com/question/13450942

#SPJ1

8 0
2 years ago
What is 2 49/100 as a decimal number?
Alchen [17]
2 49/100 in decimal form is 2.49 because a decimal in the one hundredths would be like this: 0.09 or 0.49, and the two is a whole number, so it would go before the decimal like this: 2.09 or 2.49.

Hope this helped:):)
4 0
4 years ago
to solve the equation |x-9|=0.5x, kiana graphed the functions f(x)=|x-9| and g(x)=0.5x on the same set of coordinate axes. She t
Pani-rosa [81]

Answer:

The answer is the option D

f(6)=g(6) and f(18)=g(18)

Step-by-step explanation:

we have

f\left(x\right)=\left|x-9\right|

g(x)=0.5x

we know that

The solution of the system of equations is the intersection point both graphs

Using a graphing tool

see the attached figure

The solution are the points (6,3) and (18,9)

therefore

The solution of the equation \left|x-9\right|=0.5x are

x=6, x=18

so

For x=6

f\left(6\right)=\left|6-9\right|=3

g(6)=0.5(6)=3

f(6)=g(6)

For x=18

f\left(18\right)=\left|18-9\right|=9

g(18)=0.5(18)=9

f(18)=g(18)

therefore

f(6)=g(6) and f(18)=g(18) because the intersection points are common points for both graphs

5 0
3 years ago
Read 2 more answers
Pls help Patricia can type 17 words in 15 seconds. What Is her rate in words per minute? Pls I need help I’m begging u have a go
MaRussiya [10]

Answer:

she can type 68 words every minute.

Step-by-step explanation:

In a minute there is 60 seconds so in 15 seconds she can type 17 words you

will do 17x4.

4 0
4 years ago
Read 2 more answers
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