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frozen [14]
2 years ago
8

Can someone help me please

Mathematics
1 answer:
Allisa [31]2 years ago
8 0

Answer:

31.25

Step-by-step explanation:

Divide 250 by 8=31.25

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I will make u brainliest if correct
kramer

Answer:

y= -4x+-2

Step-by-step explanation:

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4 0
3 years ago
8 people have to give a presentation in class today how many different orders can they speak in
kaheart [24]

Answer: 40,320

Step-by-step explanation:

By Permutation,

The number of arrangements for n things is given by n!.

[Here order matters]

Given: Number of people will give a presentation in class  =8

Then, the number of different orders = 8!

= 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

= 40320

Hence,  the number of different orders = 40,320

5 0
3 years ago
The formula A=P(1+r)t is used to show the total amount owed for a loan with a simple annual interest rate.
vodka [1.7K]
We are asked to express r in terms of A, P, and t.

We first divide both sides of the equation by t, which gives us

                                         
                     \displaystyle{ \frac{A}{t}=P(1+r), 


then, dividing both sides by P, we have

                     \displaystyle{ \frac{A}{Pt}=1+r.

Swap the sides:

                    \displaystyle{ 1+r= \frac{A}{Pt} 
      
Finally subtracting 1 from both sides gives us

                     \displaystyle{ r=\frac{A}{Pt}-1.


5 0
3 years ago
Read 2 more answers
Find the solution of the system of equations.<br> 10x+10y=40 <br> 5x+3y=8
ddd [48]

Answer:

x = -2 & y = 6

Step-by-step explanation:

10x+10y=40

10x+10y+ -10y=40+-10y

10x=-10y+40

\frac{10x}{10} =\frac{-10y+40}{10}

x=-y+4

5x+3y=8

5(-y+4)+3y=8

-2y+20=8

-2y+20+-20=8+-20

-2y=-12

\div2

y=6

x=-y+4

x=-6+4

x=-2

Hope this helps.

7 0
3 years ago
Three out of seven students in the cafeteria line are chosen to answer survey questions. How many different combinations of thre
Aliun [14]
1 2 3 4 5 6 7

123  
124
125
126
127
134
135
136
137
145,
146,
147
156
157
167
234
235
236
237
245
246
247
256
257
267
345
346
347
356
357
367
456
457
467
567
The answer is 35
3 0
3 years ago
Read 2 more answers
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