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Novosadov [1.4K]
3 years ago
13

Sam can make 12 salads in 20 minutes. At that rate, how many salads could Sam make in 45 minutes? Here is another one for more p

oints.. You can buy 4 pairs of pants for $29.60. What is the unit price of the pants? :) pls help me..
Mathematics
1 answer:
sp2606 [1]3 years ago
5 0
27 salads because if you out it in a proportion of 12/20=x/45 x= 27

the second question would be $7.40 because $29.60/4 is $7.40
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One week you tell 3 of your friends a secret. The next week, each of them tells 3 people the secret and the
yawa3891 [41]
By the 7th week, 2,187 people will have found out the secret.
5 0
3 years ago
Francine is making a necklace that has 1 blue Bead for every 6 white beads how many white beads with she use if she uses 11 blue
il63 [147K]

Answer:

66

Step-by-step explanation:

If you have 1 for every 6, youll have 1/6 the amount of blue as white. if you have 11, you multiply that by 6, and get 66.

3 0
3 years ago
Read 2 more answers
(m-6)(m+6) find the product
yuradex [85]
Distributeiv porpoty
a(b+c)=ab+ac
or FOIL


anyway distribute
(m-6)(m+6)=
(m-6)(m)+(m-6)(6)=
(m^2-6m)+(6m-36)=
m^2-36
8 0
3 years ago
Read 2 more answers
Which function in Excel is used to perform a test of independence? a. T.TEST b. CHISQ.TEST c. NORM.S.DIST d. Z.TEST
denis23 [38]

Answer:

b. CHISQ.TEST

Step-by-step explanation:

Notation and previous concepts

A chi-square test is "used to test if the variance of a population is equal to a specified value. This test can be either a two-sided test or a one-sided test. The two-sided version tests against the alternative that the true variance is either less than or greater than the specified value"

The statistic is given by:

\chi^2 = \sum_{i=1}^n \frac{(O_i-E_i)^2}{E_i}

In order to calculate the p value we need to have in count the degrees of freedom , on this case df=(rows-1)(#cols-1). And we can calculate the p value would be given by:

p_v =P(\chi^2 >\chi^2_{calc})

But the correct comand is given by:

b. CHISQ.TEST(Actual range, Expected range)

We just need to put in one column the Observed values and in other the expectec values.

3 0
3 years ago
Solve for m
MakcuM [25]

Answer:

m = 29/48

Step-by-step explanation:

Given that

x₂ = (y₂-y₁) +10 →(1

y₂ = y₁-x₁ → (2

y₁= 37

x₁ = 29

Now substitute the value of x₁ and y₁ into equation 2

y₂ = 37-29

y₂ = 8

Now substitute the value of y₂ and y₁ into equation 1

x₂ = (8-37) +10

x₂ = -19

As we know the slope (m) can be calculated as follows

m =(y₂ - y₁)/(x₂ - x₁)

m = (8- 37)/(-19 - 29)

m = (-29)/(-48)

m = 29/48

So our slope is 29/48



3 0
3 years ago
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