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WINSTONCH [101]

2 years ago

7

If the sun is 55° above the horizon, find the length of the shadow cast by a building 88 ft tall. Round your answer to the neare

st tenth. (plz help)

1 answer:

DaniilM [7]2 years ago

7 0

Answer: 61.6

Step-by-step explanation:

Use a calculator if you search it up and plug in the number it’ll give you the answers

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Solve (x - 3)^2 = 5 p<br><br> please help

wel

Hello!

Let's solve !

⇒ (x - 3)² = 5

⇒ x² - 6x + 9 = 5

⇒ x² - 6x + 4 = 0

⇒ x = -(-6) ± √36 - 4(1)(4) / 2

⇒ x = 6 ± √20 / 2 = 6 ± 2√5 / 2

⇒ x = 3 ± √5

∴ The solutions are x = 3 + √5 and x = 3 - √5.

3 0

2 years ago

Read 2 more answers

Can anyone help me please, I will mark brainliest to the right answer

adoni [48]

Answer:

A

Step-by-step explanation:

First 4 sets of (x, y) show that when x increases 2, y increases 3. It seems the relationship is linear. But last 2 set show that x increases 1, y increases 3. So the relation is NOT linear

5 0

2 years ago

What is 20% of 60?<br> A. 1.2<br> B. 12<br> C. 40<br> D. 120

Alexeev081 [22]

Answer:

12

Step-by-step explanation:

You need to multiply. Of is another word for saying MULTIPLY.

20% times 60

equals 12

5 0

3 years ago

Read 2 more answers

Solve Ax + By = C for x.

Zolol [24]

Answer:

the first option

Step-by-step explanation:

Given

Ax + By = C ( subtract By from both sides )

Ax = C - By ( divide both sides by A )

x = $\frac{C-By}{A}$

7 0

3 years ago

Consider the following planes. 3x − 2y + z = 1, 2x + y − 3z = 3

prisoha [69]

Solve for any of the variables; for instance, $z$ :

$z=1-3x+2y$

$z=-\dfrac{3-2x-y}3$

Then

$1-3x+2y=-\dfrac{3-2x-y}3\implies11x-5y=6\implies\begin{cases}y=\frac{11x-6}5\\z=1-3x+\frac{22x-12}5\end{cases}$

Let $x=t$ ; then the intersection is given by the vector-valued function

$\vec r(t)=\left(t,\dfrac{11t-6}5,1-3t+\dfrac{22t-12}5\right)$

or

$\vec r(t)=\left(t,\dfrac{11t-6}5,\dfrac{7t-7}5\right)$

3 0

3 years ago