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3 years ago

14

Convert the following binary number into decimal system :1111111

1 answer:

I am Lyosha [343]3 years ago

7 0

Its 127.

hope this helps you

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What is the answer for finding the slope from two points. Please help I am very confused

Nataly [62]

Slope = $\frac{y2 - y1}{x2 - x1}$
------------------
Substitute as followed
y2 = 4
y1 = 1/2
x2 = 1/2
x1 = 2
Slope = $\frac{4- \frac{1}{2} }{ \frac{1}{2}-2}$
--------------------------
Solve
4 - 1/2 = 7/2
1/2 - 2 = -3/2
$\frac{7/2}{-3/2}$
-7/3 = slope

7 0

3 years ago

How would you solve f(x)=3/5x-7? I’m so confused... please help

jekas [21]

Okay so, f(x) is another way of writing y.

If the problem were to give you an x value you would put it in the x spot.

For example:

f(x) = 1/2x - 7

is the same thing as y = 1/2x - 7

If the problem were to say: "Solve for y, if x = 2" your problem would look like this

f(2) = 1/2(2) + 7

Now, multiply 1/2 by 2, and you get 1. Now the equation is:

f(2) = 1 + 7

So add 1 and 7 = 8

so that would be f(2) = 8

And your final answer would be y = 8

<em><u>I hope this helps and makes a little sense!</u></em>

6 0

3 years ago

Using the following function rule F(x) = 5^x + 5, the value of

Troyanec [42]

Answer:

False

Step-by-step explanation:

Given F(x) = 5^x + 5

To find value of F(-3)

we will plug -3 in place x

then we have

$F(-3) = 5^x + 5\\=>F(-3) = 5^3 + 5 =>F(-3) = 125 + 5\\=>F(-3) = 120$

we have used $5^3 = 5*5*5 = 125$ in the above solution.

It is given that F(-3) is -120 while we have calculated F(-3) to be 120.

Thus, F(-3) is -120 is false.

5 0

3 years ago

You take out a loan for $ 1 , 000 at a simple interest rate of 10 % to be paid back in 12 monthly installments. What is the amou

miss Akunina [59]

Answer:

i need 5 points im sorry mate

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

The number of defects in the first five cars to come through a new production line are 9, 7, 10, 4, and 6, respectively. If the

garri49 [273]

Answer:

D. I and III only

Step-by-step explanation:

Number of first fie defects are given as 9,7,10,4 and 6.

First we have to arrange the above data in ascending order which is 4,6,7,9,10

Now if we consider the defect in sixth car to be 3 then our data will look like: 3,4,6,7,9,10

So the mean of above data would be $\frac{3+4+6+7+9+10}{6}$ = 6.5

and Median of the above data would be = $\frac{3^{rd} obs + 4^{th} obs}{2}$ = $\frac{6+7}{2}$ = 6.5

Hence mean and median number of defects are same if the sixth car has 3 defects.

Now if we consider the defect in sixth car to be 12 then our data will look like: 4,6,7,9,10,12

So the mean of above data would be $\frac{4+6+7+9+10+12}{6}$ = 8

and Median of the above data would be = $\frac{3^{rd} obs + 4^{th} obs}{2}$ = $\frac{7+9}{2}$ = 8

Hence mean and median number of defects are same if the sixth car has 12 defects.

But Now if we consider the defect in sixth car to be 7 then our data will look like: 4,6,7,7,9,10

So the mean of above data would be $\frac{4+6+7+7+9+10}{6}$ = 7.167

and Median of the above data would be = $\frac{3^{rd} obs + 4^{th} obs}{2}$ = 7

Hence mean and median number of defects are not same if the sixth car has 7 defects.

Therefore option D is correct.

8 0

3 years ago