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Dennis_Churaev [7]
3 years ago
10

HELPPPPP ASAP 10 POINTS

Mathematics
1 answer:
dimulka [17.4K]3 years ago
3 0

Answer:

area = 38.47 cm²

Step-by-step explanation:

area = 1/4(3.14)(7²) = 38.47 cm²

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The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. Find the number.
Monica [59]

Equation to find number: \frac{1}{n} - 3 = \frac{20}{n}

Number's value: n = -\frac{19}{3}



Step-by-step explanation:

Let n be the unknown number.

The reciprocal basically makes the number (n in this case) a fraction. So, that being said, the reciprocal of n would be \frac{1}{n}.

The difference of three and the reciprocal of a number (\frac{1}{n}) would be \frac{1}{n} - 3.

The quotient of 20 and the number (n) would be \frac{20}{n}.

So, with this information we've gathered so far, we can come up with an equation to find what the number equals.

Equation: \frac{1}{n} - 3 = \frac{20}{n}

To find what the number equals we must solve the equation.

3 0
3 years ago
Only need to answer question 1 but if you can pls answer both
algol [13]
Use the app photo map
5 0
4 years ago
In triangle PQR line segment PQ = 7.2 and line segment QR = 5.2. Which measure cannot be line segment PR?
slavikrds [6]
It's thirteen because it is too large.
7 0
3 years ago
F(x)=x+ 5<br> g(x) = x-4
TiliK225 [7]
-5 is for f(x)=x+5
4 is for g(x)=x-4
Hope this helps!!
4 0
3 years ago
A circle has a circumference of 7,850 units. What is the radius of the circle
Snezhnost [94]

Answer: Radius = 1,250

Step-by-step explanation: The circumference of a circle equals the 2 x radius x π.

The formula to solve the radius is 2r x 3.14 = 7,850

Divide both sides by 3.14 = 2r = 2,500

Divide both sides by 2 = r = 1,250.

The radius = 1,250

4 0
4 years ago
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