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Alecsey [184]
2 years ago
7

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

Mathematics
1 answer:
Ilia_Sergeevich [38]2 years ago
7 0

7) 1/3

The keyword 'and' here implies that we need to multiply. Both events are independent of each other, so we can just multiply the probability of each occurring together.

Probability of rolling a number less than 5: 4/6

Probability of spinning an even number: 3/6

4/6 x 3/6 = 1/3

8) It is likely that a 7th grade student will pick pizza as his/her favorite food.

5/8 is approximately 62.5%. The probability of this event occurring is fairly high, so we would say that this event is likely to happen.

Hope this helps! :)

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(p÷q)<br><img src="https://tex.z-dn.net/?f=2x%20%2B%202" id="TexFormula1" title="2x + 2" alt="2x + 2" align="absmiddle" class="l
ryzh [129]

Answer:

Step-by-step explanation:

Hello,

\dfrac{p}{q}*\dfrac{q}{p}=1=(2x+2)(2-x)\\\\ 4x-2x^2+4-2x=1\\\\ -2x^2+2x+4-1=0\\\\ -2x^2+2x+3=0\\\\

There are two solutions

\Delta=b^2-4ac=2^2+4*2*3=4+24=28=7*4\\x_1=\dfrac{-2+\sqrt{7*4}}{-4}=\dfrac{-2+2\sqrt{7}}{-4}=\dfrac{1-\sqrt{7}}{2}\\x_2=\dfrac{1+\sqrt{7}}{2}\\

Hope this helps

5 0
2 years ago
Why could the mean of the data set below be misleading
Alika [10]
Because of the outlier 77
3 0
3 years ago
How to do the equation x-5=17
Roman55 [17]

Answer:

X= 22

Step-by-step explanation:

x-5=17

To solve,

Since five is being subtracted from x, to get x by itself, add five to both sides

x-5=17

   +5 +5

X= 22

The answer is 22 :)

7 0
2 years ago
You want to buy 3 books that are 20% off. The original prices of the books are $8.50, $2.95, and
Tamiku [17]

Answer:

  you will save $3.69

Step-by-step explanation:

You save 20% of the marked price on each of the three books. Your savings are ...

  • $8.50 × 0.20 = $1.70
  • $2.95 × 0.20 = $0.59
  • $7.00 × 0.20 = $1.40

Then the total savings is ...

  $1.70 +0.59 +1.40 = $3.69 . . . total savings

__

It can be easier to do the addition first:

  ($8.50 +2.95 +7.00) × 0.20 = $18.45 × 0.20 = $3.69 . . . total savings

3 0
2 years ago
The sum of a natural number and its half is equal to 32. What is the number?​
Svet_ta [14]

Answer:

There is no natural number like that.

Step-by-step explanation:

  1. Say the number is odd: its half wont be a natural number. it will be a fraction number. And sum cant be equal to 32.
  2. Now, if the number were even. its half will be an odd number. and sum of an odd and an even number cant be an even, so the sum cant be 32.

MATHEMATICALLY,

Let the number is x.

So, x+x/2=32

or, 3x=64

or, x= 64/3=21.333...

But, 21.33.. is not a natural number.

4 0
3 years ago
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