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True [87]
3 years ago
7

Somebody, please help me solve this math problem. Thanks

Mathematics
1 answer:
dedylja [7]3 years ago
3 0
The answer is B.
The formula for axis of symmetry is -b/2a.

The b value is -8 and the a value is 1.
Plug it in.
-(-8)/2(1)
8/2(1)
8/2=4
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When you multiply a mixed number by a fraction less than 1, will the answer be smaller?
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Answer:

no when you multiply anything it will always become bigger multiply means bigger

Step-by-step explanation:

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The running back for the Bulldogs football team carried the ball 9 times for a total loss of 20
Ivahew [28]
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What is the volume of a cylinder with the base of 75 cm squared and the height of 9 cm?​
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3 years ago
What is the probability of the complement of rolling a number less than 5 by using a six-sided die?
Inessa05 [86]
<h3><u>Answer:</u></h3>

Hence, the probability of the complement of rolling a number less than 5 by using a six-sided die is:

1/3

<h3><u>Step-by-step explanation:</u></h3>

Let A denote the event of rolling a number less than 5 in a six-sided die.

Now, we know that the Total outcomes are: 6

since, the sample space is given as: {1,2,3,4,5,6}

Also Number of favorable outcomes are: 4

since the numbers which are less than 5 are {1,2,3,4}

Now we have to find:

P(A^c)

where P denotes the probability of an event and A^c denote the complement of event A.

We know that:

P(A^c)=1-P(A)

Now,

P(A)=\dfrac{4}{6}\\\\P(A)=\dfrac{2}{3}

Hence,

P(A^c)=1-\dfrac{2}{3}\\\\P(A^c)=\dfrac{3-2}{3}\\\\P(A^c)=\dfrac{1}{3}

Hence, the probability of the complement of rolling a number less than 5 by using a six-sided die is:

1/3

8 0
4 years ago
Read 2 more answers
If x = 1, y = 7, and z = 15, determine a number that when added to x, y, and z yields
almond37 [142]

You're looking for a number <em>w</em> such that the numbers

{1 + <em>w</em>, 7 + <em>w</em>, 15 + <em>w</em>}

form a geometric sequence, which in turn means there is a constant <em>r</em> for which

7 + <em>w</em> = <em>r</em> (1 + <em>w</em>)

15 + <em>w</em> = <em>r</em> (7 + <em>w</em>)

Solving for <em>r</em>, we get

<em>r</em> = (7 + <em>w</em>) / (1 + <em>w</em>) = (15 + <em>w</em>) / (7 + <em>w</em>)

Solve this for <em>w</em> :

(7 + <em>w</em>)² = (15 + <em>w</em>) (1 + <em>w</em>)

49 + 14<em>w</em> + <em>w</em> ² = 15 + 16<em>w</em> + <em>w</em> ²

2<em>w</em> = 34

<em>w</em> = 17

Then the three terms in the sequence are

{18, 24, 32}

and indeed we have 24/18 = 4/3 and 32/24 = 4/3.

6 0
3 years ago
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