MATHEMATICS COLLEGE

The radius of a circle is 10.7 m. Find the circumference
to the nearest tenth.

Answers

Answer 1

Answer:

Answer:

2 x $\pi$ x 10.7 = 67.2

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

c=2πr

c=2×π×10.7m

c=67.2m

so about 67

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Select all the equations where b = 11 is a solution. I need the answer quickly please.

Answers

Answer:

Step-by-step explanation:

The answer is : D and C

Need Help on this, First RIGHT answer gets brainliest :)

Answers

Answer:

50%

Step-by-step explanation:

The circle is split into 4 parts and there are 2 parts of the circle shaded.

Step 1:

2/4 = 50/100

Step 2:

50/100 = 50%

Answer:

50%

Hope This Helps :)

the answer is 50% as half the circle is shaded!

Judith has a necklace with a mass of 65.736 grams. What is the mass of her necklace rounded to the nearest tenth?

Answers

Answer:

65.7 grams.

Step-by-step explanation:

Simplify the expression
$\sqrt[3]{686x {}^(4) } y {}^(7)$

Answers

The expression can be simplified as $7x\sqrt[3]{ 2x} y^7$ .

What is an expression?

An expression in mathematics is made up of numbers, variables, and functions (such as addition, subtraction, multiplication or division, etc.)

A phrase in language may contain an action on its own, but it does not constitute a whole sentence.

Given:

The expression = $\sqrt[3]{686x^4} y^7$

Factorize 686 we get 7³ × 2

= $\sqrt[3]{7^3* 2x^4} y^7$

= $7x\sqrt[3]{ 2x} y^7$

Therefore, the expression can be simplified as $7x\sqrt[3]{ 2x} y^7$ .

To know more about the expression:

brainly.com/question/13947055

#SPJ2

Final answer:

The simplified form of the expression \sqrt[3]{686x {}^{4}} * y {}^{7} is 2y^7x * \sqrt[3]{x}. This is achieved by breaking down 686 into its prime factors and simplifying under the cube root.

Explanation:

To simplify the given expression \sqrt[3]{686x {}^{4} } y {}^{7}, we first break down 686 into its prime factors. 686 = 2 * 7 * 7 * 7 or 2 * 7^3. Now we can simplify the given expression by solving it inside the cube root first: \sqrt[3]{2 * 7^3 * x^4}, which simplifies to 2y^7x * \sqrt[3]{x}

\sqrt[3]{686x {}^{4}} * y {}^{7} = 2y^7x * \sqrt[3]{x}

Learn more about Solving Expressions here:

brainly.com/question/36578689

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Perform the following calculation: (+10) + (–45). A. 55 B. –55 C. –35 D. 35

Answers

Answer:

Option C - $(+10) + (-45)=-35$

Step-by-step explanation:

Given : Expression $(+10) + (-45)$

To find : Perform the calculation in the given expression ?

Solution :

Step 1 - Write the expression

$=(+10) + (-45)$

Step 2 - Applying multiplication symbol rule, $(+)(-)=(-)$

$=10-45$

Step 3 - Solve the subtraction,

$=-35$

Therefore, Option C is correct $(+10) + (-45)=-35$

hi can someone help me with is problem on how to break it down so I can explain it to my daughter. please.

Answers

Answer: 30

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Explanation:

Refer to the drawing below. I have a 2 by 5 grid of squares. So there are 2*5 = 10 squares total.

Four of those squares are shaded blue to represent the fraction $(4)/(10)$

If Susan used 4 blue tiles (instead of 12), then she'd have 10 tiles total. This would mean 10 would be the answer.

However, she's using 12 blue tiles. The jump from 4 to 12 is "times 3". So we'll need to multiply that 10 by 3 as well.

10*3 = 30

If Susan uses 12 blue tiles, then she has 30 tiles total.

Notice that the fraction $(4)/(10)$ is the same as $(12)/(30)$ after multiplying both top and bottom by 3.

$(4)/(10)= (4*3)/(10*3)= (12)/(30)$

If you wanted, you can split a round cake into 10 equal slices. If a person eats 4 slices, then that represents the fraction $(4)/(10)$ . Now imagine splitting each of those initial ten slices into three smaller pieces. If you manage to do so, then you'd have 30 very small slices. The four that the person ate would have effectively eaten 12 very small slices. So this is another way to see how $(4)/(10) = (12)/(30)$ . Personally, when it comes to fractions, I prefer using a grid of squares because it's a bit tricky sometimes to divide up circles perfectly.