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3 years ago

10

What is the dilation the bigger one is the original.

1 answer:

bonufazy [111]3 years ago

5 0

The dilation on MNOP is 1/3, MNOP deceased as shown in the picture. Explanation- count three right and one down from the origin to N’. After that you go three right and one down twice to get to N

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Suppose that 90% of days are sunny in Los Angeles. When it's sunny, the probability that I bike to work is 75%. When it's not su

nalin [4]

Answer:

75%

Step-by-step explanation:

Probability of a day being sunny (P(S)) = 0.9

Probability of driving when sunny (P(Ds)) = 1-0.75 = 0.25

Probability of a day NOT being sunny (P(N) = 1- 0.9 = 0.1

Probability of driving when sunny (P(Dn)) = 1-0.25 = 0.75

The probability of a day being sunny given that the person is driving (S) is defined as the ratio between the probability of the person driving and the day being sunny by the probability of the person driving:

$S =\frac{P(S \cap Ds)}{P(S \cap Ds)+P(N \cap Dn)} \\S=\frac{0.9*0.25}{0.9*0.25 +0.1*0.75}\\S=0.75$

There is a 75% probability that it's a sunny day.

8 0

3 years ago

What property is (5×7)×4=5×(7×4)

Andrew [12]

Associative property

5 0

3 years ago

Find x and y, help please!!

Leya [2.2K]

Answer:

$x=19^o$

$y=131^o$

Step-by-step explanation:

For this problem i assume that the two lines that look parallel, are parallel

step 1

Find the value of x

we know that

$55^o+(4x)^o=(7x-2)^o$ ----> by corresponding angles

solve for x

$7x-4x=55+2$

$3x=57$

$x=19^o$

step 2

Find the value of y

we know that

$y=55^o+(4x)^o$ ---> by vertical angles

substitute the value of x

$y=55^o+(4*19)^o$

$y=131^o$

<em>Alternative method</em>

$y=55^o+(4x)^o$ ---> by vertical angles

$y=(7x-2)^o$ ---> by alternate exterior angles

Solve the system of equations

7 0

3 years ago

Which properties are present in a table that represents an exponential function in the form y=bx

Bas_tet [7]

Answer:

y-intercept (0,1)

multiplicative rate of change: b

Step-by-step explanation:

If a table represents an exponential function of the form $y=b^x$ , then the y-value that corresponds to x=0 is 1.

In other words, the y-intercept (0,1) must be present in the table.

Also the ratio of a subsequent y-value to the previous y-value should give a value of b.

In other words the multiplicative rate of change from the table must be equal to b.

6 0

3 years ago

Hanna puts $4,383 in a savings account with an annual interest rate of 5.2 percent for 3 years. She should substitute 4,383 for

Ksivusya [100]

Answer:

Step-by-step explanation:

P

3 0

3 years ago

Read 2 more answers