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Maslowich
3 years ago
11

Maria washes the windows in her house every 2 tweaks, meows her lawn every 3 weeks, and trims her garden bushes every 5 weeks. T

his week Maria washed her windows, mowed her lawn and trimmed her garden bushes. In how many weeks will Maria do all 3 jobs again?
Mathematics
1 answer:
oee [108]3 years ago
4 0
In another 30 weeks, because 2x3x5=30 weeks where she does all of the activities.<span />
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PLEASE HELP! LOOK AT THE IMAGE
Finger [1]

Answer:

(273°-273°)-32

=-32K

5 0
3 years ago
Read 2 more answers
(Q2) Decide if the function is an exponential function. If it is, state the initial value and the base. y=5^x
Brut [27]

Answer:

B

Step-by-step explanation:

We can figure out the initial value and base of an exponential function if the function is written in the form  y=a*b^x  where

a is the initial value, and

b is the base

<u>Note:</u> a ≠ 0 and b ≠ 1

Our equation given can be written in this form by writing it like  y=5^x\\y=1*5^x

Thus, this is an <em>exponential function</em>. The initial value is 1 and the base is 5.

The correct answer is  B

8 0
3 years ago
Pleaseeeeeee HELP!!!!!!
ycow [4]

Answer:

x = 19

Step-by-step explanation:

In an isosceles trapezoid the base angles are congruent, thus

5x - 20 = 2x + 37 ( subtract 2x from both sides )

3x - 20 = 37 ( add 20 to both sides )

3x = 57 ( divide both sides by 3 )

x = 19

5 0
4 years ago
Thirty percent of the CFA candidates have a degree in economics. A random sample of three CFA candidates is selected. What is th
Komok [63]

This is an example of a random variable that follows Bernoulli distribution.

Whenever you perform n experiments, with probability p of success, the provability of havin ksuccesses is

P(X=k)=\displaystyle\binom{n}{k}p^k(1-p)^{n-k}

In this case, you have n=3 (you choose a sample of 3 candidates), p=0.3 (30% of candidates have a degree in economics) and we want k to be at least one.

One way to solve this is to consider that

P(X\geq 1)=P(X=1)+P(X=2)+P(X=3)

But it is much quicker to observe that

P(X\geq 1)=1-P(X

And we have

P(X=0)=\displaystyle\binom{3}{0}0.3^0\cdot 0.7^{3}=1\cdot 1\cdot 0.7^3

So, the probability that at least one of them has a degree in economics is

1-0.7^3 = 0.657

4 0
3 years ago
Admission to a theme park is $12. Students receive a 10% discount. What is the amount of the discount? How much would a student
Natalka [10]

Answer:

The amount of discount would be$1.20

The amount they pay would be $10.80

Step-by-step explanation:

5 0
3 years ago
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