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frutty [35]
3 years ago
5

6v + 38 = -4 or 2(v + 3) = -2How do I solve this?​

Mathematics
1 answer:
olga_2 [115]3 years ago
5 0
6v + 48 = -4
6v + 48 - 48 = -4 - 48
6v = -52
v = -52/6
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Is 67.714813 rational or irrational?
Komok [63]
Hi,
Answer is:
Irrational. Why?

Rational numbers are like 2:3 (Example) that is a Decimal. 

Hope this helps!! Can you please mark Brainliest? Good Luck on your School assignment, and God Bless!


4 0
4 years ago
A ball is thrown into the air with an upward velocity of 28 ft/s. its height,h, in feet after t seconds is given by the function
ddd [48]

<span>h= (-16t^2 + 28t + 7)  </span>

find the derivative to get time<span>
<span>
h' = (-32t + 28)

When the ball reaches its maximum height, its vertical velocity (h’) will be 0 </span></span>

<span>
<span> 0 = -32t + 28 </span></span>

-32t=-28

<span><span>-28/-32 =  </span>0.875 seconds </span><span>
<span>
The ball reaches its maximum height in 0.875 seconds after being thrown; plug and chug and:

h= (-16(0.875)^2 + 28(0.875) + 7) = 19.25 feet</span></span>

 

Max height = 19.25 feet, time = 0.88 seconds


8 0
3 years ago
9,16=7 <br> 4,36=8 <br> 121,81=20 <br> 25,49=?
Ilia_Sergeevich [38]

Answer:

12.

Step-by-step explanation:

We have been given format of different numbers. We are asked to find the missing value for our given format.

9,16=7

Taking square root of 9 and 16 we will get,

\sqrt{9}=3

\sqrt{16}=4

3+4=7

Similarly, we can see that by taking the square root of all the on the left side of equation and adding them we get right side of equation.

\sqrt{4}=2

\sqrt{36}=6

2+6=8

\sqrt{121}=11

\sqrt{81}=9

11+9=20

Upon taking square root of 25 and 49 we will get,

\sqrt{25}=5

\sqrt{49}=7

5+7=12

Therefore, the missing number of our given sequence is 12.

5 0
4 years ago
Read 2 more answers
Find the slope, if it exists, of the line containing the points (10,-3) and (10,-8).
Annette [7]

Answer:

The slope is undefined.

Step-by-step explanation:

The line must pass through the points (10,-3) and (10,-8), meaning that it must be vertical. The slope of a line is undefined if the line is vertical.

7 0
3 years ago
The Acme Insurance company has two types of customers, careful and reckless. A careful customer has an accident during the year
Aneli [31]

Answer:The total probability that a random person has an accident in the given year is

.8×.01+.2×.04=0.016

The portion of that which is explained by careful drivers is .8×.01=.08. Thus the answer is

.8×.01.8×.01+.2×.04=.5

Thus it is equally likely that your accident victim was careful or careless.

Speaking informally, that's because, while it's four times more likely that a randomly selected driver is careful, it is one fourth as likely that a careful driver will have an accident, and the two

Step-by-step explanation:

5 0
3 years ago
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