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Jobisdone [24]
3 years ago
6

2/7 x N = 8/5 What is the fraction for N?

Mathematics
2 answers:
Vilka [71]3 years ago
6 0
How do you ask a question
olga nikolaevna [1]3 years ago
5 0

Answer:

Assuming ur solving for n

2/7n=8/5

Sinc edits a proportion cross multiply

now you’d get 28=5n

Or if you solve

n= 28/5 or 5 3/5

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Rylee is baking cupcakes for a bake sale. She spends $35 on supplies and she plans to sell the cupcakes for $2.50 each. How many
Setler [38]

Answer:

44 cupcakes

Step-by-step explanation:

Since she spent $35, and she wants to profit $75, she needs to make $110.

110/2.5 = 44

6 0
3 years ago
A roster for a baseball team has 12 players. the coach is randomly making the batting order for 9 players. what is the probabili
andrey2020 [161]
The probability of you being the leadoff hitter is <span>8.3%.</span>

Explanation:

The number of possible rosters can be calculated with permutations, knowing that the coach can choose the first hitter among all 12 players, then the second hitter among the 11 players remaining and so on until the 9th hitter among the remaining 4 players.

Therefore:
Possible rosters = 12 × 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 = 79833600

The leadoff hitter is the first player in the batting order, therefore the number of possible rosters in which you are chosen as the first one is:
You leadoff = 1 <span>× 11 × 10 × 9 × 8 × 7 × 6 × 5 × 4 = 6652800

The probability of you being leadoff is:
P</span> = You leadoff / <span>Possible rosters 
</span>   = 6652800 / 79833600
   = 1 / 12 
   = 0.08333
   = 8.3%

Note that this is exactly the probability of you being chosen out of the 12 players of the team in a one-pick choice because it does not matter how the rest of the batting order is composed.


3 0
3 years ago
(3,-5),(3,-2),(3,5),(3,8) find the slope.
crimeas [40]

Answer:

0

Step-by-step explanation:

- Plot each point on the graph corextly using (x,y).

- The line should go verticle

- Since x doesnt change, there is no slope / the line will go up and down infinate

5 0
3 years ago
Use the normal distribution of SAT critical reading scores for which the mean is 507 and the standard deviation is 109. Assume t
makvit [3.9K]

Answer:

Step-by-step explanation:

Let X be the variable representing SAT critical reading scores for which the mean is 507 and std dev is 109

X is normal

Critical score for 95% is Z critical = ±1.96

Convert Z to x score as

z=507+1.96(109) and z = 507-1.96(109)

Critical values of X lie in the range

(293.36,720.64)

5 0
3 years ago
Need help pleaseeee :))))))
Serjik [45]
The answer is a hope this helps
4 0
2 years ago
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