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Zolol [24]
2 years ago
5

Find the perimeter note that the arc represents a semicircle . use 3.14

Mathematics
2 answers:
SIZIF [17.4K]2 years ago
5 0
24 + 4pi

This is because each side is 8 and the arc (using the perimeter of a circle formula) is 4pi. 
kykrilka [37]2 years ago
5 0
Edited for perimter:
 3 sides at 8 yards each = 8*3 = 24 yards


 circumference of circle:  diameter x PI
   8 x 3.14 = 25.12

25.12 / 2 = 12.56

total perimeter = 24 + 12.56 = 36.56 yards  ( round answer as needed)

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Simplify the expression. -17+[(8-3)-(-14-19)]=
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Answer:

21

Step-by-step explanation:

trust (used a calculator)

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2 years ago
Today is Wednesday. What day of the week is 80 days from today?<br><br> SHOW WORKKK
Arlecino [84]

Answer:

Saturday

Step-by-step explanation:

Each 7 days brings you back to the original day

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3 years ago
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Solve the inequality. Graph the solution set, and write it using interval notation. |5x+4|less than or equal to 10
aniked [119]

we have the inequality

\lvert5x+4\rvert\leq10

step 1

Find out the first solution (positive case)

\begin{gathered} +(5x+4)\leq10 \\ 5x\leq10-4 \\ 5x\leq6 \\ x\leq\frac{6}{5} \\ x\leq1.20 \end{gathered}

The first solution is all real numbers less than or equal to 1.20

Interval (-infinite,1.20]

step 2

Find out the second solution (negative case)

-(5x+4)\leq10

Multiply by -1 both sides

\begin{gathered} (5x+4)\ge-10 \\ 5x\ge-10-4 \\ 5x\ge-14 \\ x\ge-\frac{14}{5} \\ x\ge-2.8 \end{gathered}

The second solution is all real numbers greater than or equal to -2.8

the interval [-2.8, infinite)

step 3

Find out the solution to the given inequality

The solution is

[-2.8, infinite) ∩ (-infinite,1.20]=[-2.8,1.20]

the solution is the interval [-2.8,1.20]

see the attached figure to better understand the problem

8 0
1 year ago
A rectangle has sides measuring (2x + 7) units and (5x + 9) units. Part A: What is the expression that represents the area of th
andrey2020 [161]

Answer:

Part A:  

(2x+7)(5x+9)

=(2x+7)(5x+9)

=(2x)(5x)+(2x)(9)+(7)(5x)+(7)(9)

=10x2+18x+35x+63

=10x2+53x+63

A)

The formula for determining the area of a rectangle is given as

Area = length × width

Given that the length and width are (2x + 6) units and (5x + 3) units, the expression for the area is

(2x + 6)(5x + 3) = 10x² + 6x + 30x + 18

Area = 10x² + 36x + 18

B)

The degree is 2 because the highest power of the terms is 2. It is classified as a trinomial because it has 3 terms.

C) it is closed under multiplication. the exponents in the polynomials are whole numbers(2 and 1). The whole numbers are closed under addition, which means that the new exponents formed are also whole numbers. The exponents were whole numbers before multiplication and doesn't change after multiplication.

Step-by-step explanation:

3 0
3 years ago
I need help im failing
aleksley [76]

Answer:

D because 0.75 in fraction form is 3/4 and 3/4 is greater then 2/3 which is the graphs rate of change.

Step-by-step explanation:

3 0
3 years ago
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