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3 years ago

What is the gradient of the blue line.

Mathematics

2 answers:

denpristay [2]3 years ago

6 0

Answer:

Step-by-step explanation:

the Gradient is (5,2)

svet-max [94.6K]3 years ago

5 0

Its (5,2)!! Hope this helps i hope yiu have a great day!

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Please help me. I can’t do it

Maslowich

Answer: A) -8

B) - 41

C) - 39

Step-by-step explanation:

6 0

2 years ago

Find the distance between points P and Q.

Kazeer [188]

Answer:

4;3 might be the answer

8 0

3 years ago

Read 2 more answers

What is the remainder when 3^99 is divided by 8?

Gnom [1K]

Answer:

Step-by-step explanation:

3^1=3 divided by 8 will give a remainder of 3

3^2=9 divided by 8 will give a remainder of 1

3^3=27 divided by 8 will give a remainder of 3

3^4=81 divided by 8 will give a remainder of 1

3^5=243 divided by 8 will give a remainder of 3

You will notice that 3^n will give 3 when n is odd number and 1 when n is even number

Since n=99 and 99 is an odd number,

Then the remainder is 3

3 0

2 years ago

Read 2 more answers

A manager at a local company asked his employees how many times they had given blood in the last year. The results of the survey

Lubov Fominskaja [6]

Answer:

$Var(X) = E(X^2) -[E(X)]^2 = 4.97 -(1.61)^2 =2.3779$

And the deviation would be:

$Sd(X) =\sqrt{2.3779}= 1.542 \approx 1.54$

Step-by-step explanation:

For this case we have the following distribution given:

X 0 1 2 3 4 5 6

P(X) 0.3 0.25 0.2 0.12 0.07 0.04 0.02

For this case we need to find first the expected value given by:

$E(X) = \sum_{i=1}^n X_i P(X_I)$

And replacing we got:

$E(X)= 0*0.3 +1*0.25 +2*0.2 +3*0.12 +4*0.07+ 5*0.04 +6*0.02=1.61$

Now we can find the second moment given by:

$E(X^2) =\sum_{i=1}^n X^2_i P(X_i)$

And replacing we got:

$E(X^2)= 0^2*0.3 +1^2*0.25 +2^2*0.2 +3^2*0.12 +4^2*0.07+ 5^2*0.04 +6^2*0.02=4.97$

And the variance would be given by:

$Var(X) = E(X^2) -[E(X)]^2 = 4.97 -(1.61)^2 =2.3779$

And the deviation would be:

$Sd(X) =\sqrt{2.3779}= 1.542 \approx 1.54$

8 0

3 years ago

Evaluate 2^−1 + 2^−1.

Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

2^−1 + 2^−1

2x2^-1

4 0

3 years ago