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ruslelena [56]
3 years ago
11

What is 161 equals 124 plus f as an equation

Mathematics
2 answers:
Evgen [1.6K]3 years ago
7 0

Answer:

f=37

Step-by-step explanation:

161=124+f

f=161-124

f=37

Xelga [282]3 years ago
4 0

Answer: 124 + f = 161

Step-by-step explanation:

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You fill bags with cookies to give your friends. You bake 45 chocolate chip cookies, 30 peanut butter cookies, and 15 oatmeal co
babunello [35]

Answer:

The answer to your question is 15 bags.

Step-by-step explanation:

Data

45 chocolate chip cookies

30 peanut butter cookies

15 oatmeal cookies

Process

1.- Calculate the Greatest Common Factor (GCF) for the number of cookies.

                     45   30   15   2

                      45   15    15  3

                       15    5     5   3

                         5   5      5   5

                          1    1      1

GCF = 3 x 5 = 15

2.- Conclusion

I can make 15 bags of cookies with the following distribution

Each bag will have           - 3 chocolate chip cookies

                                          - 2 peanut butter cookies

                                          - 1 oatmeal cookie.

6 0
3 years ago
Need help please, thank you.
Marat540 [252]
The answer for your question is C
7 0
2 years ago
if the heart of an elephant , at rest beat an average of 1680 beats in 60 min . What is the rate in beats per minute
Tresset [83]
Use the rule of 3 simple 

1680 beats ------- 60 min.
x beats -------------- 1 min. 
----------------------------------
 x = (1680*1)/60 = 1680/60 = 168/6 = 28 beats per minute 

hope helped 
5 0
3 years ago
Ajay is on the swim team. He improved his time on
ozzi

Answer:

<u>5%</u>

Step-by-step explanation

50/32= 1.56yard per second        ; 50/31= 1.61 yard per second

1.61-1.56= 0.05* 100= 5%

5 0
3 years ago
Navy PilotsThe US Navy requires that fighter pilots have heights between 62 inches and78 inches.(a) Find the percentage of women
Zigmanuir [339]

The first part of the question is missing and it says;

Use these parameters: Men's heights are normally distributed with mean 68.6 in. and standard deviation 2.8 in. Women's heights are normally distributed with mean 63.7 in. and standard deviation 2.9 in.

Answer:

A) Percentage of women meeting the height requirement = 72.24%

B) Percentage of men meeting the height requirement = 0.875%

C) Corresponding women's height =67.42 inches while corresponding men's height = 72.19 inches

Step-by-step explanation:

From the question,

For men;

Mean μ = 68.6 in

Standard deviation σ = 2.8 in

For women;

Mean μ = 63.7 in

Standard deviation σ = 2.9 in

Now let's calculate the standardized scores;

The formula is z = (x - μ)/σ

A) For women;

Z = (62 - 63.7)/2.9 = - 0.59

Z = (78 - 63.7)/2.9 = 4.93

The original question cam be framed as;

P(62 < X < 78).

So thus, the probability of only women will take the form of;

P(-0.59 < Z < 4.93) = P(Z<4.93) - P(Z > - 0.59)

From the normal probability table attached, when we interpolate, we'll arrive at P(Z<4.93) = 0.9999996

And P(Z > - 0.59) = 0.277595

Thus;

P(Z<4.93) - P(Z > - 0.59) =0.9999996 - 0.277595 = 0.7224

So, percentage of women meeting the height requirement is 72.24%.

B) For men;

Z = (62 - 68.6)/2.8 = -2.36

Z = (78 - 68.6)/2.8 = 3.36

Thus, the probability of only men will take the form of;

P(-2.36 < Z < 3.36) = P(Z<3.36) - P(Z > - 2.36)

From the normal probability table attached, when we interpolate, we'll arrive at P(Z<3.36) = 0.99961

And P(Z > -2.36) = 0.99086

Thus;

P(Z<3.36) - P(Z > -2.36) 0.99961 - 0.99086 = 0.00875

So, percentage of women meeting the height requirement is 72.24%.

B)For women;

Z = (62 - 63.7)/2.9 = - 0.59

Z = (78 - 63.7)/2.9 = 4.93

The original question cam be framed as;

P(62 < X < 78).

So thus, the probability of only women will take the form of;

P(-0.59 < Z < 4.93) = P(Z<4.93) - P(Z > - 0.59)

From the normal probability table attached, when we interpolate, we'll arrive at P(Z<4.93) = 0.9999996

And P(Z > - 0.59) = 0.277595

Thus;

P(Z<4.93) - P(Z > - 0.59) =0.9999996 - 0.277595 = 0.00875

So, percentage of women meeting the height requirement is 0.875%

C) Since the height requirements are changed to exclude the tallest 10% of men and the shortest10% of women.

For women;

Let's find the z-value with a right-tail of 10%. From the second table i attached ;

invNorm(0.90) = 1.2816

Thus, the corresponding women's height:: x = (1.2816 x 2.9) + 63.7= 67.42 inches

For men;

We have seen that,

invNorm(0.90) = 1.2816

Thus ;

Thus, the corresponding men's height:: x = (1.2816 x 2.8) + 68.6 = 72.19 inches

7 0
3 years ago
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