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maks197457 [2]
3 years ago
15

Help plsssssssssssssssss

Mathematics
1 answer:
meriva3 years ago
7 0

Answer:

C(4)=99.5

Step-by-step explanation:

398 divided by 4 is 99.5

4 is the number of sunglasses and therefore equals x.

So C(4)=99.50

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Point G is the centroid of the right △ABC with m∠C=90° and m∠B=30°. Find AG if CG=4 ft.
o-na [289]

Answer: \text{Length of AG=}\frac{2\sqrt{63}}{3}

Explanation:  

Please follow the diagram in attachment.  

As we know median from vertex C to hypotenuse is CM  

\therefore CM=\frac{1}{2}AB

We are given length of CG=4  

Median divide by centroid 2:1  

CG:GM=2:1  

Where, CG=4

\therefore GM=2 ft

Length of CM=4+2= 6 ft  

\therefore CM=\frac{1}{2}AB\Rightarrow AB=12

In \triangle ABC, \angle C=90^0

Using trigonometry ratio identities  

AC=AB\sin 30^0\Rightarrow AC=6 ft

BC=AB\cos 30^0\Rightarrow BC=6\sqrt{3} ft  

CN=\frac{1}{2}BC\Rightarrow CN=3\sqrt{3} ft

In \triangle CAN, \angle C=90^0  

Using pythagoreous theorem  

AN=\sqrt{6^2+(3\sqrt{3})^2\Rightarrow \sqrt{63}

Length of AG=2/3 AN

\text{Length of AG=}\frac{2\sqrt{63}}{3} ft


5 0
3 years ago
Rek has a rope 135 feet long. He cuts it into 3 pieces. The 2nd piece is twice as long as the 1st piece. The 3rd piece is 3 time
AnnyKZ [126]
(2*3*1)=6

135/6=22.5

1st = 22.5 ft

2nd= 45 ft

3rd = 67.5 ft

add it up and you get 135 feet
3 0
3 years ago
PLEASE HELP NOW THIS IS DUE REALLY SOON ILL MAKE YOU BRAINLIEST IF YOU CAN ANSWER NOW
Lynna [10]
Angles 6 and 7, because they are alternate along the transversal.

Also angles 1 and 4.
6 0
3 years ago
150n-1,200<br> Determina su sueldo si vende, 5, 9 y 12 pantallas.
frosja888 [35]

Answer:

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4 0
3 years ago
Using the order of operations, what would be the first step:<br><br> 4−8÷1−3[3+(7−5)2]
jeka94

Answer:

(7-5)

Step-by-step explanation:

According to PEMDAS, parenthesis go first. But there are two sets of parenthesis so the one inside the other goes first.

Next would be [3+(2*2)]

Then, [3+4]

Then, -8/1

Then, -3(7)

So the question would be 4-8-21

Which gives you -25 as an answer.

I realize that you weren't asking for the whole thing but maybe there are follow up questions.

3 0
3 years ago
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