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3 years ago

8f=64. Solve the equation

Mathematics

2 answers:

Gekata [30.6K]3 years ago

5 0

Answer:

f = 8

Step-by-step explanation:

8f = 64

Divide

64 ÷ 8 = 8

<em>good luck, i hope this helps :)</em>

LekaFEV [45]3 years ago

4 0

Answer:

f = 8

Step-by-step explanation:

8f=64

divide both sides by 8

f=8

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Two opposite angles of a parallelogram are always

attashe74 [19]

Answer:

Two opposite angles of a parallelogram are always <u>equal</u><u>.</u>

7 0

3 years ago

Mr. Torres took his students to the dolphin show. Each row in the stadium had 9 seats. One adult sat at each end of a row, and e

iragen [17]

Answer:

There were 4 adults; including Mr. Torres

Step-by-step explanation:

- Each row in the stadium had 9 seats

- Mr. Torres sat by himself; he sat on a row with nobody else (no students, no adults)

- The arrangement of the students and the adults who sat with them on same row is: A S S S A S S S A

1 2 3 4 5 6 7 8 9

since 1 adult sat at each end of a/the row and each group of 3 students was seated between 2 adults.

So the total number of adults that were present = 3 + 1 = 4

5 0

3 years ago

Type the correct answer in the box. assume π = 3.14. and round your answer to the nearest hundredth. at the rate of $2.00 per sq

spin [16.1K]

The cost of painting the rectangular board with a semicircular top is $31.065 to the nearest hundredth.

<h3>How to find the area of the composite figures?</h3>

To find area of the composite figures,

Separate the figure.
Calculate the are of the each figure by which the composite figure is made of.
Add the area of all the individual figures to get the total area of composite figures.

The dimentions of the rectangle is 3 by 4 foot. The area of the rectangle is,

$A_r=3\times4\\A_r=12\rm \;ft^2$

The radius of the semicircle is 1.5 m. The area of the semicircle is,

$A_{sc}=\dfrac{1}{2}\pi\times(1.5)^2\\A_{sc}=\dfrac{1}{2}(3.14)\times(1.5)^2\\A_{sc}=3.5325\rm\; ft^2$

The area of the composite figure is,

$A=12+3.5325\\A=15.5325\rm\;ft^2\\$

The rate of painting is $2.00 per square foot. Thus the cost to paint the figure is,

$A=15.5325\times2\\A=31.065$

Hence, the cost of painting the rectangular board with a semicircular top is $31.065 to the nearest hundredth.

Learn more about the area of composite figures here;

brainly.com/question/15981553

8 0

3 years ago

Find the value of x.

Margaret [11]

Answer:

x = 10

Step-by-step explanation:

note that sin30° = $\frac{1}{2}$

Since the triangle is right use the sine ratio to find x

sin30° = $\frac{opposite}{hypotenuse}$ = $\frac{5}{x}$

multiply both sides by x

x × $\frac{1}{2}$ = 5 ( multiply both sides by 2 )

x = 10

3 0

3 years ago

Read 2 more answers

*Please help!*

Harman [31]

Answer:

Step-by-step explanation:

5 0

4 years ago