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astraxan [27]
3 years ago
8

Help me with this question please

Mathematics
2 answers:
AleksandrR [38]3 years ago
6 0
15 problems is the answer
likoan [24]3 years ago
6 0
There are 15 questions worth 4 points
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thank you for hurrying here is the very last one Explain how you would find the perimeter of this triangle.
Lena [83]

Step-by-step explanation:

Use the method of TOA CAH SOH.

tan(51.3) =  \frac{opp}{adj}  \\  \tan(51.3)  =  \frac{u}{4}  \\ u = 4 \tan(51.3)

cos(51.3)  =  \frac{adj}{hypo}  \\  \cos(51.3)  =  \frac{4}{v}  \\ v \cos(51.3)  = 4 \\ v =  \frac{4}{ \cos(51.3) }

Perimeter of triangle = Sum of all sides =

u \:  +  \: v + 4

5 0
3 years ago
Read 2 more answers
Avery has 2 blue marbles. One sixth are blue. How many marbles does he have
lbvjy [14]
He has 12 marbles. 

There you go
6 0
3 years ago
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Philip is making a poster that is 36 by 24 inches. He cuts a 5 x 12 rectangle in the poster. How much of the poster remains uncu
Vika [28.1K]
36 x 24=864 whole poster
5 x 12=60 cut part
864 - 60= 804 part that remains
;)
6 0
3 years ago
PLEASE SOMEONE HELP QUICK What is the effect on the graph of the function f(x) = x when f(x) is replaced with f(− 1/3x)?
Komok [63]

Answer:

B

Step-by-step explanation:

the -1/3 indicates that there will be a shrink

7 0
3 years ago
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the length of marshalls retangular poster is 2 times the width if the perimeter is 24 inches what is the area
Ilia_Sergeevich [38]
Let us assume the width of the rectangle = x
Then
The length of the rectangle = 2x
The perimeter of the rectangle = 24 inches
We know the formula of the perimeter of a rectangle is
Perimeter = 2 (length + Breadth)
24 = 2 (2x + x)
24 = 2 * 3x
24 = 6x
x = 24/6
   = 4
So the width of the rectangle = 4 inches
length of the rectangle = 2x
                                     = 2 * 4 inches
                                     = 8 inches
Now 
The Area of the rectangle = Width * Length
                                          = 4 * 8 inches^2
                                          = 32 inches ^2
So the area of the rectangle is 32 square inches. I hope i have helped you.
4 0
3 years ago
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