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3 years ago

Whats 2feet times 15 inches and how do you get the answer?

2 answers:

7 0

Okay. It's mostly conversion.
2 ft = 24 inches

This makes the problem:
24 inches x 15 inches
24 x 25 = 360 inches squared

The second one is the same.
1 meter = 100 centimeters

3 meters = 300 centimeters

300cm x 32cm = 9,600centimeters.

So it should be the second two choices.

kirza4 [7]3 years ago

6 0

2 feet = 24 inches. 24 times 15 is 360 inches, or 30 feet.
3 meters = 300 centimeters. 300 times 32 is 9600 centimeters, or 96 feet.
I think you got the choices mixed up a bit, the one with inches is 360, and the one with centimeters is 9600.

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2 years ago

the algebraic expression 6(2x)+9x+3 represents the area of a rectangle .what is the the area of the rectangle when x =3 feet

sashaice [31]

Answer:

66. Assuming after you substituted 3 in place of x, you followed order of operations, or PEMDAS.

Step-by-step explanation:

6(2x) + 9x +3 = area

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3 years ago

I have to determine the length please show me the steps

iogann1982 [59]

Answer:

c = 11.03 m

Step-by-step explanation:

In this given right isoceles triangle, one of the sides are labeled as 7.8 m. We'll label this side as "a."

The length of side "a" is congruent to the other side. Therefore, the measurement of the other side is also 7.8 m.

We can use the Pythagorean Theorem to solve for the measurement of the hypotenuse, side "c."

According to the Pythagorean Theorem: $c^{2} = a^{2} + a^{2}$ .

We'll plug in the values for side "a" and side "b" into the formula:

$c^{2} = a^{2} + a^{2}$

$c^{2} = 2a^{2}$

$c^{2} = 2(7.8 m)^{2}$

$c^{2} = 121.68 m^{2}$

To calculate the value of "c," we must take the squared root of $2a^{2}$ :

$\sqrt{c^{2}} = \sqrt{121.68}$

c = 11.03087 m or 11.03 m

By the way, the value of c = a $\sqrt{2}$

8 0

3 years ago

In circle O below, what is the measure of arc ED?

Serga [27]

Triangle FOD is an isosceles with base FD.
FD = 2 · 4 = 8
FD = CB
Arc CB = 56°
Arc ED = 1/2 Arc FD = 1/2 Arc CB
Arc ED = 56° : 2
Answer:
Arc ED = 28°

5 0

3 years ago