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4 years ago

6

I need to classify what triangle this is and these are the choices equilateral, isosceles, scalene and right. Someone please hel

p me on this quickly

2 answers:

Drupady [299]4 years ago

5 0

Answer:

Isosceles

Step-by-step explanation:

isosceles triangles have at least 2 EQUAL sides :)

xxTIMURxx [149]4 years ago

4 0

Answer:

Isosceles

Step-by-step explanation:

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Math home work I have two questions

andreyandreev [35.5K]

Answer:

2d = 58 (If you are just finding d then d = 29)

Step-by-step explanation:

69 + 53 = 122

180 - 122 = 58

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3 years ago

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Hawlp giving brainlesst

Sedaia [141]

Answer:

B. $-\frac{7}{10}$ = -.7

Step-by-step explanation:

Replace all occurrences of − − with a single +. Two consecutive minus signs have the same mathematical meaning

$-.75+\frac{2}{5}+.4-\frac{3}{4}$

Find the common denominator.

$\frac{-.75*20}{20} +\frac{2*4}{20} +\frac{.4*20}{20}-\frac{3*5}{20}$

Simplify terms.

$\frac{-15+8+8-15}{20}$

Simplify the numerator.

$\frac{-14}{20}$

Reduce the expression by cancelling the common factors.

$-\frac{7}{10}$

<em>hope this helps, good luck :)</em>

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3 years ago

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8.37 Sale prices at the Ajax Outlet Store are 50% below original prices. On Saturdays, an additional discount of 20% off the sal

givi [52]

Answer:

Given:

Sale prices at the Ajax Outlet Store are 50% below the original prices.
On Saturdays, an additional discount of 20% off the sale price is given.

To find:

The Saturday price of a coat whose original price is $180.

The formula used to calculate the percentage is (value/total value)*100%.

Step-by-step explanation:

Step 1 of 2

The original price of coat = $180

Ajax always sells at 50% discount

So their sale price = $90

Step 2 of 2

On Saturdays they sell 20% less

Which implies-

1/5*90 = 18

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2 years ago

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An individual who has automobile insurance from a certain company is randomly selected. Let y be the number of moving violations

Hoochie [10]

Answer:

a) $E(Y)= \sum_{i=1}^n Y_i P(Y_i)$

And replacing we got:

$E(Y) = 0*0.45 +1*0.2 +2*0.3 +3*0.05= 0.95$

b) $E(80Y^2) =80[ 0^2*0.45 +1^2*0.2 +2^2*0.3 +3^2*0.05]= 148$

Step-by-step explanation:

Previous concepts

In statistics and probability analysis, the expected value "is calculated by multiplying each of the possible outcomes by the likelihood each outcome will occur and then summing all of those values".

The variance of a random variable Var(X) is the expected value of the squared deviation from the mean of X, E(X).

And the standard deviation of a random variable X is just the square root of the variance.

Solution to the problem

Part a

We have the following distribution function:

Y 0 1 2 3

P(Y) 0.45 0.2 0.3 0.05

And we can calculate the expected value with the following formula:

$E(Y)= \sum_{i=1}^n Y_i P(Y_i)$

And replacing we got:

$E(Y) = 0*0.45 +1*0.2 +2*0.3 +3*0.05= 0.95$

Part b

For this case the new expected value would be given by:

$E(80Y^2)= \sum_{i=1}^n 80Y^2_i P(Y_i)$

And replacing we got

$E(80Y^2) =80[ 0^2*0.45 +1^2*0.2 +2^2*0.3 +3^2*0.05]= 148$

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3 years ago

-103 = 6x + 17 equals?

Ipatiy [6.2K]

answer i think is x=43/3

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3 years ago