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Digiron [165]
3 years ago
8

Find the value of angle "A" and angle "B".​

Mathematics
2 answers:
Daniel [21]3 years ago
3 0

the anwser is 119

because 180-61 =119

Svet_ta [14]3 years ago
3 0

Answer:

119 degrees

Step-by-step explanation:

I don't know where the angle "B" is, but angle "A" is 119 degrees

a straight line = 180 degrees

180 - 61 = 119

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A set of electric toothbrush prices are normally distributed with a mean of 87 dollars and a standard deviation of
Studentka2010 [4]

Answer:

The proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars is 0.0099

Step-by-step explanation:

A set of electric toothbrush prices are normally distributed with a mean of 87 dollars and a standard deviation of  8 dollars.

Mean = \mu = 87

Standard deviation = \sigma = 8

We are supposed to find proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars i.e.P(104.60<x<108.20)

Z=\frac{x-\mu}{\sigma}

At x = 104.60

Z=\frac{104.60-87}{8}

Z= 2.2

At x=108.20

Z=\frac{108.20-87}{8}

Z= 2.65

Refer the z table for p value :

P(x<108.20)-P(x<104.60)=P(Z<2.65)-P(Z<2.2)=0.9960-0.9861=0.0099

Hence The proportion of electric toothbrush prices are between 104.60 dollars and 108.20 dollars is 0.0099

4 0
3 years ago
It’s not a or c help
Luden [163]

Answer:

D if i'm wrong i'm so sorry

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Two lines, A and B, are represented by the following equations:
almond37 [142]

Answer:

D.

Step-by-step explanation:

The solution is where the lines intersect which is at the point (3,2).

So the answer is Option D.

The point (3,2) satisfies both equations.

4 0
3 years ago
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A diagonal shortcut across a rectangular lot is 130 feet long. The lot is 50 feet long. What is the other dimension of the lot
ryzh [129]
We use the pithagorean formula: x^2 = 130^2 - 50^2 = 16900 -2500 = 14400;
then, x = \sqrt{14400} = 120 feet has the other dimension of the lot.
6 0
3 years ago
What is 10+5x60 .<br><br> A) 10<br> B)130<br> C)6767<br> D)4545454545
Lynna [10]

Answer:

310

but it doesnt show as a possible answer from your list

Step-by-step explanation:

5x60 is 300

then add 10 to 300

you get 310

7 0
3 years ago
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