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galben [10]
3 years ago
13

K dubnppppppdwadadaaaaaaaaaaaa

Mathematics
1 answer:
MaRussiya [10]3 years ago
4 0

<em>If he draws at random there is a </em><u><em>3/7 percent chance that he will pull an odd number </em></u><em> Here's why :</em>

<em />

  • There are seven numbers making the denominating factor 7 and out of those 7 factors only 3 of them are odd numbers
  • Making the nominating factor 3 so it should look like this
  • 3/7 because three off the seven numbers are odd
  • so therefore there is a 3/7 percent chance at pulling an odd number.
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hoa [83]

c is the correct answer

8 0
3 years ago
Read 2 more answers
A collection of nickels and dimes is worth $9.45. If the number of dimes is doubled, the value is
eduard

Answer:

The number of nickels is 45 and the number of dimes is 72.

Step-by-step explanation:

Let

x ----> number of nickels

y ----> number of dimes

Remember that

1\ nickel=\$0.05

1\ dime=\$0.10

so

0.05x+0.10y=9.45 ------> equation A

0.05x+0.10(2y)=16.65

0.05x+0.20y=16.65 ------> equation B

<em>Solve the system by substitution</em>

we have

0.05x+0.10y=9.45 ------> equation A

0.05x+0.20y=16.65 ------> equation B

Multiply both equations by 100 both sides

5x+10y=945 ---->5x=945-10y --> equation C

5x+20y=1,665 ----> equation D

substitute equation C in equation D

(945-10y)+20y=1,665

solve for y

945+10y=1,665

10y=1,665-945

10y=720

y=72\ dimes

Find the value of x

5x=945-10y

5x=945-10(72)

5x=225

x=45\ nickels

<em>Alternative Method</em>

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

the solution is the point (45,72)

therefore

The number of nickels is 45 and the number of dimes is 72.

7 0
3 years ago
If f(x)=6-2x, Find the value for f(-1)
Katarina [22]

Answer:

f(-1)=8

Step-by-step explanation:

Just plug in x=-1 into the function:

f(x)=6-2x

y=6-2(-1)

y=6+2

y=8

So f(-1)=8

7 0
3 years ago
Find the value of x<br> in this polygon.<br> help !!!
Paladinen [302]

Answer:

<h2>53°</h2>

solution,

Sum of exterior angle of polygon=360°

3x - 5 + 2x + 10 + 90 = 360 \\ or \: 3x + 2x - 5 + 10 + 90 = 360 \\ or \: 5x + 5 + 90 = 360 \\ or \: 5x  + 95 = 360 \\ or \: 5x = 360 - 95 \\ or \: 5x = 265 \\ or \: x =  \frac{265}{5}  \\ x = 53

Hope this helps...

Good luck on your assignment...

8 0
3 years ago
The students in Todd's grade voted to select a guest speaker. 24 students voted for a famous athlete. The other 8 students in To
Colt1911 [192]

Answer:

75% of students voted for the athlete

Step-by-step explanation:

total number of students 24+8 = 32

24 out of 32 students chose the athlete

24/32 simplified = 3/4

3/4 = 75%

8 0
3 years ago
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