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3 years ago

I need help In the figure, lines A and B are parallel

Mathematics

2 answers:

Keith_Richards [23]3 years ago

7 0

I could be wrong but I believe it would be 35.

BartSMP [9]3 years ago

7 0

I would say 75 because angle 1 is equal to angle 5

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Given sin theta = 2/5 and 0 theta 90 find sin 2 theta

Liono4ka [1.6K]

Given: sin theta = 2/5. This tells us that the lengths of the opp side and the hyp are 2 and 5 respectively. The adj side is found using the Pyth. Thm.: 5^2-2^2= 25-4 = 21, so that the adj side is sqrt(21).

The double angle formula for the sine is sin 2theta = 2 sin theta *cos theta.

In this particular problem, the sine of 2theta is 2*(2/5)*[sqrt(21) / 5], or:

(4/25)*sqrt(21).

6 0

4 years ago

Read 2 more answers

LeAnn is purchasing.giftwrap for a box that measures 8 inches long, 6 inches wide, and 6 inches tall. Calculate the total area o

Sedaia [141]

h = 6

l = 8

w = 6

surface area = 2 (wl +hl +hw) =

2( (6*8) +(6*8)+(6*6)) =

2(48 +48 +36)=

2(132)= 264 square inches

6 0

3 years ago

Read 2 more answers

Each day her goal is to make 4 more baskets than she made thr day before. If she makes 10 baskets the first day and meets her go

irina [24]

Answer:

Janelle will make <u>62 baskets</u> on 14th day.

Step-by-step explanation:

Given,

Number of goals on 1st day = 10

We need to find the number of goals on 14th day.

Solution,

Since Janelle made 10 goals on 1st day and want to make 4 more basket from the day before.

So we can say that;

$a_1=10$ and $d=4$

And also $n=14$

here $a_1$ = first term

d = common difference

n = number of terms

Now we apply the formula of A.P.

$T_n=a_1+(n-1)d$

now substituting the given values, we get;

$T_{14}=10+(14-1)4\\\\T_{14}=10+13\times 4\\\\T_{14}=10+52 =62$

Hence Janelle will make <u>62 basket</u> on 14th day.

7 0

3 years ago

Using the protractor tool on the right, choose the image that represents an angle measuring 55°.

Anarel [89]

Answer:

I think it's C.

Step-by-step explanation:

hope you get it right

5 0

1 year ago

Somebody help me.....

Elan Coil [88]

Answer:

in my knowledge

26 , 31 , 36 , 41 , 46

rule:5

cause 26+5=31

31+5=36

36+5=41

41+5=46 and so on...

8 0

3 years ago