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san4es73 [151]
2 years ago
5

(Will give Brainliest)

Mathematics
2 answers:
Dvinal [7]2 years ago
8 0

Answer:

b-4.2<-7.5

Step-by-step explanation:

b-4.2<-7.5

this is because the number given as "b" minus 4.2 (as shown on the left) is less than (<) -7.5, so this inequality makes sense.

svet-max [94.6K]2 years ago
8 0

Answer:

b-4.2<-7.5

Step-by-step explanation:

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Step-by-step explanation:

3 0
3 years ago
Which of the following best defines 2 to the power of 2 over 3?
EleoNora [17]
Hello,

2^{\frac{2}{3}}=\sqrt[3]{2^2} =\sqrt[3]{4}

Answer A
4 0
3 years ago
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A circle has a central angle measuring startfraction 7 pi over 6 endfraction radians that intersects an arc of length 18 cm. wha
mash [69]

The radius of this circle is (B) 4.9 cm.

<h3>To find the radius of the circle:</h3>

To solve this problem, we need to, first of all, convert the angle from radians to degrees.

data;

  • length of an arc = 18cm
  • angle = 7/6π rads
  • π= 3.14

\frac{7\pi }{6rads} =210^{0}

Length of an Arc:

The formula for the length of an arc is given:

l_{arc} = θ/360 × 2\pi r

Let's substitute the values and solve:

18=\frac{210}{360} *2\pi r\\18=3.663r\\r=\frac{18}{3.663} \\r=4.9cm

From the calculations above, the radius of this circle is 4.9cm.

Therefore, the radius of this circle is (B) 4.9 cm.

Know more about radius here:

brainly.com/question/24375372

#SPJ4

Complete question

A circle has a central angle measuring 7pi/6 radians that intersects an arc of length 18 cm. What is the length of the radius of the circle? Round your answer to the nearest tenth. Use 3.14 for pi.

(A) 3.7 cm

(B) 4.9 cm

(C) 14.3 cm

(D) 15.4 cm

8 0
2 years ago
Please answer now!! (Math)
OleMash [197]

Answer:

2nd option

Step-by-step explanation:

Simplify first what is in the parenthesis before distributing the exponent outside would help.

Remember that negative exponents simply means that their on the wrong side of the fraction. So if you find a variable with a negative exponent as a numerator, you bring them down and when it is found as a denominator, you bring them up.

Also when you distribute your exponents, you always multiply it to each exponent inside the parenthesis.

Look at the attached picture for the solution

5 0
3 years ago
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Please help me and plz explain thoroughly i need help asap!
guajiro [1.7K]

f(x) = 2(x+8)

replace f(x) with 12 and then solve for x:

12 = 2(x +8)

Use the distributive Property on the right side:

12 = 2x +16

Subtract 16 from each side:

-4 - 2x

Divide both sides by 2:

x = -4 / 2

x = -2

5 0
2 years ago
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