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Helga [31]
3 years ago
14

I WILL GIVE BRAINLIEST

Mathematics
1 answer:
masha68 [24]3 years ago
8 0

Answer:

Part A = 64 feet

Part B = 79 feet

Step-by-step explanation:

Part A

10 × 2 = 20 = Diameter

Formula is C = π × diameter

20 × π = 62.8318530718 feet = 64 feet

Part B

25 × 2 = 50

Same formula

50 × π = 157.079632679 feet

157.079632679 ÷ 2 = 78.5398163395 feet = 79 feet

divide by 2 because it is a semi circle

Hope his helped :)

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What are the solutions to 2x^2+7y=4 ? Select all that apply.
liberstina [14]

Answer:

x = -1/2 , 4

Step-by-step explanation:

1) If any individual factor on the left side of the equation is equal to 0, the entire expression will be equal to 0.

2x+1=0

x−4=0

2) Set the first factor equal to 0.

2x+1=0

3) Subtract 1 from both sides of the equation.

2x=−1

4) Divide each term by 2 and simplify.

2x/2= −1/2

5) Cancel the common factor of 2.

x= −1/2

6) Move the negative in front of the fraction.

x = −1/2

7) Set the next factor equal to 0 and solve.

x=4

8) The final solution is all the values that make

(2x+1)(x−4) = 0 true.

9) x = −1/2 , 4

7 0
3 years ago
Help PLZZ
Alexus [3.1K]
<h3 /><h3>\huge \rm༆ Answer ༄</h3>

To find slope we use the formula ~

  • \sf \dfrac{y2 - y1}{x2 - x1}

[ Ratio of the difference of y - coordinates of the points and the difference of x - coordinates of the points ]

let's find the slope of line passing through the given points ~

<h3>1. (10 , -9) and (-4 , -14) </h3>

  • \sf \dfrac{ - 9 - ( - 14)}{10 - ( - 4)}

  • \sf \dfrac{ - 9 + 14}{10 + 4}

  • \sf \dfrac{5}{14}
<h3>2. (16 , 6) and (-4 , -14)</h3>

  • \sf \dfrac{6 - ( - 14)}{16 - ( - 4)}

  • \sf \dfrac{6 + 14}{16 + 4}

  • \sf \dfrac{20}{20}

  • \sf1
<h3>3. (9 , -4) and (5 , -20)</h3>

  • \sf \dfrac{ - 4 - ( - 20)}{9 - 5}

  • \sf \dfrac{ - 4 + 20}{4}

  • \sf \dfrac{16}{4}

  • \sf4

<h3>4. (-13 , 20) and (-18 , 20)</h3>

  • \sf \dfrac{20 - 20}{ - 13 - ( - 18)}

  • \sf\dfrac{0}{ - 13 + 18}

  • 0

I hope it helps ~

___________________________________

꧁ \: \: \large \rm{kaul} \: ꧂

3 0
2 years ago
What's the product of 3 2⁄3 and 14 2⁄5 ?
kodGreya [7K]

Here is your answer:


3 2/3 = 11/3

14 2/5 = 72/5


11 × 72 = 792

3 × 5 = 15


792/15 divided into 52\frac{12}{15}

12 ÷ 3 = 4

15 ÷ 3 = 5


"= 52 4/5 into a improper fraction is 264/5"


Hope this helps!

3 0
3 years ago
Read 2 more answers
Help please xxxxxxxxxx
miskamm [114]

l=51

m=78

n=51

n and l have the same value since it’s an isosceles triangle, so that’s why I doubled 4x-9

3 0
3 years ago
How long will it take for the balance of an account to double if the savings account earns 0.75% annual interest compounded mont
spin [16.1K]
Let the amount deposited (principal) be x, then the amount after the required time = 2x.
A = P(1 + r/n)^nt: where A is the future value = 2x, P is the principal = x, r is the rate = 0.75%, n is the number of accumulation in a year = 12, t is the number of years.

2x = x(1 + 0.0075/12)^12t
2 = (1 + 0.000625)^12t
log 2 = 12t log (1.000625)
log 2 / log (1.000625) = 12t
1109.38 = 12t
t = 92 years
4 0
3 years ago
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