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HACTEHA [7]
3 years ago
6

Sydney read

Mathematics
2 answers:
Naily [24]3 years ago
5 0

Answer:

1.25 pages per minute

Step-by-step explanation:

If Sydney read 50 pages at a constant rate in 40 minutes, then to get pages per minute just divide total pages by minutes

Mashutka [201]3 years ago
5 0
1.25 per minute ...............
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Our club has 25 members, and wishes to pick a president, secretary, and treasurer. In how many ways can we choose the officers,
Rus_ich [418]

Answer:

13800

Step-by-step explanation:

The order of the members is important (because each selected member will receive a different position), thus we then need to use the definition of permutation.

There are 25 members, of which 3 are selected.

\begin{array}{l}n=25 \\r=3\\end{array}

Evaluate the definition of a combination:

P(25,3)=\frac{25 !}{(25-3) !}=\frac{25 !}{22 !}=25 \cdot 24 \cdot 23=13800

8 0
3 years ago
Equation equivalent to 2(x+3)
grigory [225]

Answer:

2x+6

Step-by-step explanation:

use distributive property

a(b+c)

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ab+ac

plz brainliest :)

4 0
3 years ago
Jordan is another employee at the same coffee shop. He has worked there longer than Gabe and earns $3 more per hour than Gabe. C
ANEK [815]

Answer:

I think we need to see something

8 0
2 years ago
How do you write the equation of a line and stop intercept form from that passes through the point -3, 5
mr_godi [17]
Y=2/3x -5/2

Slope is equal to the parallel line (2/3)
Find y intercept by setting y and x equal the given coordinates and solve.
8 0
3 years ago
A professor grades students on four tests, a term paper, and a final examination. Each test counts as 15% of the course grade. T
alina1380 [7]

Answer:

The Alans's average for the course is 84.5

Step-by-step explanation:

We are given

There are 4 tests, A Term paper and a Final examination.

Score = 92, 78, 82, 90.

Term paper score = 80

Final examination score = 86

Weighted mean = ∑ w.f/∑w

     also the sum of all the weights is 100% = 1

weighted mean = 15%*92 + 15%*78+15%*82+15%*90+20%*80+20%*86/1

                         = 51.3 + 33.2

                         =  84.5

Therefore the Alans's average for the course is 84.5

5 0
2 years ago
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