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3 years ago

A tree casts a shadow that is 18 feet in length. If the angle of elevation is

1 answer:

8 0

It forms a Triangle, in which base is shadow, and height of the tree is perpendicular.

So, Tan Ф = P / B
Tan 28 = P /18
0.53 * 18 = P [ Tan 28 = 0.53 ]
P = 9.6

In short, Your Answer would be Option D

Hope this helps!

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Rewrite the function, differentiate, and then simplify<br><br> y= 3/√x

Anit [1.1K]

Answer:

$\frac{dy}{dx}$ = - $\frac{3}{2x^{\frac{3}{2} } }$

Step-by-step explanation:

Differentiate using the power rule

$\frac{d}{dx}$ (a $x^{n}$ ) = na $x^{n-1}$

Given

y = $\frac{3}{\sqrt{x} }$ = 3 $x^{-\frac{1}{2} }$ , then

$\frac{dy}{dx}$ = - $\frac{3}{2}$ $x^{-\frac{3}{2} }$ = - $\frac{3}{2x^{\frac{3}{2} } }$

6 0

3 years ago

Dave ordered dinner for a party of 10 people. Three people ordered the $4.75 chicken dinner, two people ordered the $4.95 fish d

postnew [5]

Answer:

The average cost of each dinner at Dave's party is <u>$5.79</u>.

Step-by-step explanation:

Given:

Dave ordered dinner for a party of 10 people.

Three people ordered the $4.75 chicken dinner, two people ordered the $4.95 fish dinner, and five had the beef dinner at a cost of $6.75 each.

Now, to find the average cost of each dinner at Dave's party.

So, we get the total amount for the dinner:

Three people ordered the $4.75 chicken dinner.

$4.75\times 3=14.25$

Two people ordered the $4.95 fish dinner.

$4.95\times 2=9.90$

Five had the beef dinner at a cost of $6.75.

$6.75\times 5=33.75$

Total amount of dinner = $14.25+9.90+33.75=\$57.90.$

Now, to get the average cost of each dinner of 10 people we divide the total amount of dinner by 10:

$57.90\div 10$

$=\$5.79.$

Therefore, the average cost of each dinner at Dave's party is $5.79.

7 0

3 years ago

Also they have positive 1.25

aleksley [76]

-1.25............................

6 0

2 years ago

28 degree + x-4 degree+2x=180 degree

FromTheMoon [43]

Answer:

x = 52

Step-by-step explanation:

28 + x - 4 + 2x = 180

Simplify the left side

3x + 24 = 180

Subtract 24 from each side

3x = 156

Divide each side by 3

x = 52

3 0

2 years ago

Myrtle took out a 3-year loan for 2050$ at a computer retailer to be paid back with monthly payments at 12% apr compounded month

lubasha [3.4K]

Answer:

466.27$ APEX

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers