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3 years ago

(Please help, I will mark brainliest to the most accurate answer)

Mathematics

2 answers:

Minchanka [31]3 years ago

8 0

Answer:

r=41/2

Step-by-step explanation:

The radius of a circle is always half it's diameter. In this circle, the diameter is 41 centimeters, so the radius would be half of that- which is 41/2 or 20.5 cm.

Hope this helps!

Levart [38]3 years ago

5 0

Answer:

Hello There the correct answer is r=41/2

<h2> Explanation:</h2>

All you have to do is divide the diameter, in this case 41, by 2 because the radius of the circle is half of the diameter. So, the answer would be 20.5 cm Hope It Helps!

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What is the surface area of the figure shown? Plz answer asap

Luba_88 [7]

Answer:

$264\ cm^{2}$

Step-by-step explanation:

we know that

The surface area of the figure is equal to the lateral face of the triangular pyramid plus the lateral face of the rectangular prism plus the area of the base of the rectangular prism

step 1

Find the lateral face of the triangular prism

The lateral area is equal to the area of its four lateral triangular faces

$LA=4(\frac{1}{2}(6)(7))=84\ cm^{2}$

step 2

Find the lateral area of the rectangular prism

The lateral area is equal to the perimeter of the base multiplied by the height

$LA=(4)(6)(6)=144\ cm^{2}$

step 3

Find the area of the base of the rectangular prism

$B=(6)(6)=36\ cm^{2}$

step 4

Find the surface area

$84\ cm^{2}+144\ cm^{2}+36\ cm^{2}=264\ cm^{2}$

3 0

3 years ago

Jared has 12 more comic books than Zoe. If they have 28 comic books

ZanzabumX [31]

Answer:

20 comic books

Step-by-step explanation:

Let us first set up a variable, x, for the number of books that Zoe has. If Jared has 12 more comics than Zoe, he would have x+12 books.

Given that Zoe and Jared have a total of 28 comic books, let us write an equation and solve for x:

$x+x+12=28\\2x+12=28$

Now that we have a simplified version of the equation, let us solve for x by isolating the variable on the left side:

$2x=28-12\\2x=16\\x=8$

We now know that x=8, and also that Jared has x+12 books. To find the number of comic books Jared has, let us add 12 to x:

$x+12=\\8+12=\\20\\$

Therefore, Jared has 20 comic books.

I hope this helps! Please let me know if you have any further questions :)

4 0

3 years ago

How is a tangent different from a chord

Akimi4 [234]

In a tangent segment, no part of it is in the interior of the circle. with a secant, there is a part in the interior called the chord. hope it helps
if you need help with anything else just ask me

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3 years ago

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Express this equation in logarithmic form. y = 10^x x = ?

Lana71 [14]

From definition we have:

$$x=\log_{10}y$