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tatiyna
3 years ago
10

Hi, I need help with all of these questions! (screenshots included) Thank you! I really appreciate it.

Mathematics
1 answer:
klemol [59]3 years ago
4 0

Answer:

I'm unsure about the first one, but the second one is irrational, the third one is option C, the fourth is option b, and the last one is D i believe

Step-by-step explanation:

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A circle of radius of 4 inches has an arc length of 5.8 inches. Find the measure of the central angle.
kondor19780726 [428]
<h3>SOLUTION : </h3>

The radius of the circle is 4 inch and has an arc length of 5.8 inches . We know that if the central angle is 360° then the arc length is 2\pi r . Similarly when angle is theta ,

\implies Arc = radius \times \theta

Now substitute respective values , from the given data ,

\implies 5.8 inch = 4inch * \theta \\\\\implies 0.14 m = 0.1 * \theta \\\\\implies \boxed{\red{\theta \approx 1.4 \ rad }}

This is our required answer!

4 0
3 years ago
Write a mathematical sentence that expresses the information given below. Use t as your variable name. If necessary:Susanne chec
Feliz [49]

Answer:

t+8>82^{\circ}

Explanation:

We were given that:

Let "temperature" be represented by "t"

Suzan checks the temperature at 11:00. If the temperature rises by 8 more degrees, it will break the record high temperature for the day which is 82 degrees

This information is mathematically represented as:

t+8>82^{\circ}

7 0
1 year ago
Expand the expression (5x + 3)2, and write the result in standard form.
Nikolay [14]

Expand

2 × 5x + 2 × 3

Simplify 2 × 5x to 10x

10x + 2 × 3

Simplify 2 × 3 to 6

<u>= 10x + 6</u>

3 0
3 years ago
Ok I need help with this
Alborosie

Answer:

4 to 7 is pretty much 4 divided by 7 which = 4/7 and 7/4 is 1 3/4. which is obviously greater. So they both equal different answers.

5 0
3 years ago
Read 2 more answers
The ideal weight of a nickel is .17637 ounce. A bank teller weighs a roll of nickles to ensure there are 40 in the roll. Write a
icang [17]
I believe your answer is C
8 0
3 years ago
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