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marta [7]
3 years ago
10

Calculate the following equation: 7 subtract 2/4

Mathematics
2 answers:
IrinaK [193]3 years ago
8 0
I believe the correct answer is 6.4.
Cerrena [4.2K]3 years ago
8 0

This is not an equation. See picture.




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Can y’all pwease hwelp mwe I weally need hwelp
djverab [1.8K]

Answer: search up expressions calc

Step-by-step explanation: your welcome

3 0
3 years ago
There are 18 athletes trying out for the olympic swimming team. The coach only has room for 8 swimmers on the team. How many dif
Mice21 [21]

Answer:

43,758 different swimmer squad

Step-by-step explanation:

Given;

Total Number of athletes n = 18

Number of athletes needed to be selected r = 8

For this case, the coach need to select 8 players from a total of 18 athletes with no particular order. So, this is a combination case since the order of selection is not relevant.

The number of different swimmer squads the coach could select is;

S = nCr

nCr = n!/(r!×(n-r)!)

Substituting the values of n and r;

S = 18C8

S = 18!÷(8! × (18-8)!)

S = 18! ÷ (8!×10!)

S = 43,758

Therefore, he can select 43,758 possible different squads

5 0
3 years ago
Read 2 more answers
Given P(1,3) and Q(3,7) what is the slope of PQ
Aleksandr [31]

Answer:

hi! you have 2 points! this means slope formula! y2-y1/x2-x1

okay all you do now is plugin! (x1 1,y1 3) (x2 3,y2 7) what I did was label your x1 y1 x2 y2! now just follow the formula and that / is division or basically a fraction

7-3/3-1

that equals -5! and that's your slope! memorize the formula it helpss!                                      

8 0
3 years ago
Use the multiplier method to increase £72 by 12%<br> You must show your working.
cricket20 [7]

Answer:

£80.62

Step-by-step explanation:

100+12%=112%

112/100= 1.12

1.12*£72 =£80.62

5 0
3 years ago
Stu hiked a trail at an average rate of 3 miles per hour. He ran back on the same trail at an average rate of 5 miles per hour.
Andrews [41]
3t = 5(3-t)
3t = 15 - 5t
3t + 5t = 15
8t = 15
t = 15/8
t = 1 7/8 

7/8 * 60 mins = 52.50 minutes

t = 1 hour and 52.5 minutes

It took Stu 1 hour and 52.5 minutes to hike the trail one way.
3 0
3 years ago
Read 2 more answers
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