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uysha [10]
2 years ago
14

Plz help will be marked BRAINLIEST and thanks Jwhdbendhdbe

Mathematics
2 answers:
EleoNora [17]2 years ago
7 0

Answer:

BDC= 37°

CDE= 143°

FDE= 37°

FDA= 90°

Step-by-step explanation:

I hope this helps!

morpeh [17]2 years ago
3 0

Answer:

BDC 37°

CDE 143°

FDE 37°

FDA 90°

with a hope, this helps you!

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A person aiming at a target receives 10 points if their shot is within 1 inch of the target, 5 points if it is between 1 and 3 i
Gelneren [198K]

Answer:

standard deviation is 2.886 [expected points]

Step-by-step explanation:

Let x is number of points scored so that given target uniformly dstributed between 0 and 10

clearly X uniform(0,10)

mean is defined as E(x) = \frac{a+b}{2}

                                       \frac{0+10}{2} = 5

we know that variance is given as \frac{(b-a)^2}{12}

V(x) = \frac{(b-a)^2}{12}

       \frac{(10-0)^2}{12}

       = 8.333

therefore standard deviation is \sqrt{V(x)} = \sqrt{8.333}

standard deviation is 2.886 [expected points]

8 0
3 years ago
What does the speaker do well here? Check all that apply. asks questions prepares thoroughly includes information and opinions r
Rom4ik [11]

Answer:

b: prepares thoroughly

c: includes information and opinions

d: responds to questions

Step-by-step explanation:

edg2020

3 0
3 years ago
Read 2 more answers
Write an explicit formula for the geometric sequence below and use it to find the 9th term. 256, 64, 16, 4, . . .
Nastasia [14]

im doing this problem right now---

ok so a1=256 a2=64 a3=15 a4=4... find a9

the sequence divides by 1/4 every term

an=a1*r^n-1

an=(256)*(1/4)^n-1

replace n with 9

A9=(256)*(1/4)^9-1

A9=(256)*(1/4)^8

=(256)*(1/4)

A9=64^8

1/256 or a9= 0.00390625

7 0
2 years ago
If x varies directly as y, and<br> X = 24 when y= 21, Find x when<br> Y=6
Ne4ueva [31]

Answer:

x = 48/7

Step-by-step explanation:

There's two good ways to do this problem.

Option 1:

Translate "x varies directly as y" into the equation y=kx

Then you have to find k. After you "reset" your y=kx equation, fill in k and then solve for x. See image.

Option 2:

Translate "varies directly" into a proportion, which is two fractions equal to each other:

x/y = x/y

Fill in the three numbers given and cross multiply and solve to find the fourth number. See image.

7 0
1 year ago
State the domain of the function. (5 points) 2 1 1 3 -6​
elena55 [62]

Answer:

-2, 1, 2, 3, 4

Step-by-step explanation:

The domain is the x values of the graph.

8 0
3 years ago
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