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frutty [35]
2 years ago
12

on a tv game show,omar needs answer 7 out of every 10 questions correctly. There will be 30 questions in all

Mathematics
1 answer:
shtirl [24]2 years ago
8 0
He Has To Get 21/30 Questions Right, Or 0.7%(70%) Right.
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Mary has an equal number of dimes and quarters. If she has $2.10 in all, how many coins of each does she have?
77julia77 [94]

Answer:

Step-by-step explanation:

4 quarters

1 dime

6 0
2 years ago
What is tje equation for the linear function whose graph contains the points (2,5) and (3,0) ?
dolphi86 [110]
In order to find a slope, there is an equation:

Y2-Y1/X2-X1

X1=2
X2=3
Y1=5
Y2=0

0-5= -5
3-2=1

Since slope is written as Y/X, slope would be-5/1 or simply, -5.

Now, we need to find the y-intercept.

To do this, shift the original equation:

Original equation: y=-5x+b

Shifted equation: b=y+5x

Now, plug in one of the points.

Let's use (2,5)

b=5+5(2)

5*2=10
10+5=15

y-intercept=15

So, the full equation of the line would be:

y=-5x+15
4 0
3 years ago
2. (8 points) If you have n gold coins with one a fake that you know is slightly lighter, how many weighings on the pan balance
pogonyaev

Answer:

Only 1 Time

Step-by-step explanation:

Since you know that one coin is fake and that the coin is lighter than the rest , then you would only need to weigh all the coins together 1 time to ensure that you will find the fake coin. We can determine this by doing the following.

<u>Example:</u>

Lets say we have 100 coins that weigh 1 gr each. Meaning that the total weight of the 100 coins would be (100coins*1gr = 100gr) <em><u>IF</u></em> there are no fake coins in the batch.

Knowing this we can weigh the entire batch 1 time and if the total weight is less than 100gr we know that the fake coin is in that batch.

I hope this answered your question. If you have any more questions feel free to ask away at Brainly.

5 0
2 years ago
Which of the following is a description of the data with a correlation coefficient of 0.1?
Simora [160]
A low positive correlation
4 0
3 years ago
Read 2 more answers
What is the period of the sinusoidal function
Vadim26 [7]

The answer is 2π

Hope this helps

3 0
2 years ago
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