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strojnjashka [21]
3 years ago
11

How many ways can this be done?

Mathematics
2 answers:
Bas_tet [7]3 years ago
8 0

Answer:

<h3>140 ways</h3>

Step-by-step explanation:

"Choose 3 appetizers out of 4" can be written in equation as: C(4,3), and that is 4!/[3!(4-3)!]=4 ways.

For main dishes, C(10,9)= 10!/9!(10-9)!=10 ways.

And for desserts, C(9,5)= 9!/[5!(9-5)!]=126 ways.

So ways in total are 4+10+126=140 ways to pick the meals.

RSB [31]3 years ago
5 0
This can be solved 6 ways depending on how many numbers u have
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Pauline is building a fence around her vegetable garden, what length of fence will she need to build?
Nuetrik [128]
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 SEE ATTACHED IMAGE. 
 First we look for the hypotenuse of both triangles.
 Left triangle:
 Sine (68.1) = (1.75) / (h)
 h = (1.75) / Sine (68.1)
 h = 1.886108667
 h = 1.9m
 Right triangle:
 Sine (49.4) = (1.75) / (h)
 h = (1.75) / Sine (49.4)
 h = 2.304841475
 h = 2.3m
 Finally adding the perimeter:
 P = 5 + 1.9 + 2.75 + 2.3
 P = 11.95 m
 Answer: 
 she will need to build 11.95 m of fence

6 0
3 years ago
Find any 3 (x,y) pairs that are solutions for the equation 2x-5y=10 . Show your work
Alla [95]

Answer:

(0,-2), (5,0) and (10,2).

Step-by-step explanation:

Given equation is 2x-5y=10.

Now we need to find 3 pairs of solutions in (x,y) form for the given equation.

As 2x-5y=10 is a linear equation so we are free to pick any number for x like x=0, 5, 10

Plug x=0 into 2x-5y=10, we get:

2(0)-5y=10

0-5y=10

-5y=10

y=\frac{10}{-5}

y=-2

Hence first solution is (0,-2)

We can repeat same process with x=5 and 10 to get the other solutions.

Hence final answer is (0,-2), (5,0) and (10,2).

5 0
4 years ago
Read 2 more answers
What is the greatest number which can be made using each of the digits 5,3,1,4,7?
Xelga [282]
75,314 because it is only 5 numbers so this is correct.
4 0
3 years ago
Which graph shows a function and its inverse?
Hunter-Best [27]

very simple it's b. tell me if you need help with anything els

8 0
2 years ago
Sara has $150 in her savings account. The amount in her account increases by %6 every year. If she does not put more money into
strojnjashka [21]

Answer:

$159

Step-by-step explanation:

we know that

The equation of a exponential growth function is equal to

y=a(1+r)^x

where

y is the balance in the saving account

x is the number of years

a is the initial amount

r is the percent rate of change

we have

a=\$150\\r=6\%=6/100=0.06

substitute

y=150(1+0.06)^x

y=150(1.06)^x

For x= 1 year

substitute

y=150(1.06)^1=\$159

3 0
3 years ago
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