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3 years ago

Write the following expression in terms of 2 and simplify 8V-64 Answer

Mathematics

1 answer:

Sholpan [36]3 years ago

5 0

Answer:

4V-32

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5 times 395 using properties of operations

DochEvi [55]

Hello there!

<u><em>Answer: ⇒⇒=1975</em></u>

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Step-by-step explanation:

First you had to multiply by the number.

$395*5=1975$

1975 is the right answer.

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6 0

2 years ago

Sally eats 40 donuts everyday for six months... after the 6 months, what does Sally have?

marishachu [46]

Answer:

Sally eats 1240 donuts

7 0

2 years ago

Fine the value of x for the image below

insens350 [35]

Answer:

75 = 3x

solve for x= divide 3 on both sides.

75÷3 = 25

x=25

6 0

2 years ago

You have 42 ft. of fencing (1 ft. segments) to make a rectangular garden. How much should each side be to maximize your total ar

Verizon [17]

Answer:

$Length=10.5\ ft$

$Width=10.5\ ft$

$Area=110.25\ ft^{2}$

Step-by-step explanation:

Let

x----> the length of the rectangular garden

y---> the width of the rectangular garden

we know that

The perimeter of the rectangle is equal to

$P=2(x+y)$

we have

$P=42\ ft$

$42=2(x+y)$

simplify

$21=(x+y)$

$y=21-x$ ------> equation A

Remember that the area of rectangle is equal to

$A=xy$ ----> equation B

substitute equation A in equation B

$A=x(21-x)$

$A=21x-x^{2}$ ----> this is a vertical parabola open downward

The vertex is a maximum

The y-coordinate of the vertex is the maximum area

The x-coordinate of the vertex is the length side of the rectangle that maximize the area

using a graphing tool

The vertex is the point $(10.5,110.25)$

see the attached figure

$x=10.5\ ft$

Find the value of y

$y=21-10.5=10.5\ ft$

The garden is a square

the area is equal to

$A=(10.5)(10.5)=110.25\ ft^{2}$ ----> is equal to the y-coordinate of the vertex is correct

6 0

2 years ago

The radius of a circle is 18 meters. What is the circle's area?

ankoles [38]

Answer:

200.96 sq. meters.

Step-by-step explanation:

The formula for the area of a circle is \pi r^(2). To solve for the area, use the given values, pi is 3.14 and the radius is 18. This gives you the new equation of (3.14)(18)^2. Solve algebraically, first raising the radius to the power of 2, and then multiplying.

5 0

2 years ago