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2 years ago

Rounded to the nearest tenth, what is the area of rectangle ABCD?

Mathematics

1 answer:

m_a_m_a [10]2 years ago

7 0

AC = x, CD = 2x cause of 30° angle. Use pythagoras then

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ABC is a right triangle. if AC =4 and BC=10,find AB leave the answer in simplest radical form

Ganezh [65]

AB = sqrt(10^2 - 4^2) = sqrt(100 - 16) = sqrt(84) = sqrt(4 x 21) = 2sqrt(21) = 2 radical 21.

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3 years ago

What is the area of this tile? 10 in 8 in. 6 in.

meriva

Answer:480

Step-by-step explanation:

Multiply each number to end up with the answer.

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2 years ago

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What is the probability of picking an "s" in the word "footloose"?

lbvjy [14]

1/9 or 0.1111111...%

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3 years ago

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Screen sizes for televisions are measured by the diagonal length from one corner to the opposite corner on the other side. After

JulsSmile [24]

Answer:

Step-by-step explanation:

This is a ratio problem

Step one:

Given the ratio of length:width is "3 space colon space square root of 3"

mathematically it is expressed as

length:width 3:√3 or 3/√3

Step two:

3:√3 or 3/√3

if the built TV has a width of 6ft let the length be x

3/√3=x/6

cross multiply we have

x√3=3*6

x√3=18

x=18/√3ft

therefore the length will be 18/√3ft

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2 years ago

The total cost for buying new sneakers for the basketball team an be found by using the function y=25x + 65, is where x is the n

gtnhenbr [62]

Answer:

$Domain\ =\ \{x: 9,10,11....16\}$

$Range\ =\ \{y:290, 315,340.....465\}$

Step-by-step explanation:

Given

$y = 25x + 65$

Required

Determine the range and domain when x = 9 to 16

The domain is the set of

$Domain\ =\ \{x: 9,10,11....16\}$

Solving for the range;

When x = 9

$y = 25 * 9 + 65$

$y = 225 + 65$

$y = 290$

When x = 10

$y = 25 * 10 + 65$

$y = 250 + 65$

$y = 315$

When x = 11

$y = 25 * 11 + 65$

$y = 275 + 65$

$y = 340$

You continue till you get to x = 16

---

--

-

When x = 16

$y = 25 * 16 + 65$

$y = 400 + 65$

$y = 465$

Hence; the range is

$Range\ =\ \{y:290, 315,340.....465\}$

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2 years ago