5 + 3 + 52 × 5 − 2 =

Answers

Answer 1

Answer:

Answer:

164 With the parenthesis

266 without parenthesis

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Which values represent the first two terms of the sequence a1=2 and an=-2(an-1)^2?2, -8
-2, 16
-8,-128
16, 1024

Answers

Hello,

$a_(1)=2$
$a_(n+1)=-2*a_(n)^2$

$a_(1)=2$
$a_(2)=-2*2^(2)=-8$
$a_(3)=-2*(-8)^(2)=-2*64=-128$

Answer C

Solve for h in the mathematical formula V=pi r^(2)h

Answers

Answer:

$(V)/(\pi r^(2) )$ = h

Step-by-step explanation:

Lets try and get everything we can away from h.

V = $\pi$ $r^(2) h$

Divide $\pi$ $r^(2)$ from both sides of the equation.

Now we end up with:

$(V)/(\pi r^(2) )$ = h

Jo paints some tennis balls and puts them in a bag. She picks a ball at random from the bag and replaces it. She repeats this 60 times, and gets a ball not painted 50 times. Find the experimental probability of getting a painted ball from Jo's bag.

Answers

Answer:

1/6

Step-by-step explanation:

An experimental probability is the number of times an event occurred when actually attempted.

So, if Jo does the experiment 60 times and receives 50 unpainted balls, then calculate how many painted balls she got:

60-50 = 10.

So, the probability of picking a painted ball = 10/60 = 1/6

Hope this helps

Joshua uses a rule to write the following sequence of numbers 1/6,1/2,5/6,----------,11/2 What rule did Joshua use? What is the missing number in the sequence?

Answers

Answer: The missing number in the sequence is $(7)/(6)$

Step-by-step explanation:

Since we have given that

$(1)/(6),(1)/(2),(5)/(6),----------,(11)/(2)$

First term = a= $(1)/(6)$

Common difference = d is given by

$d=a_2-a_1\n\n(1)/(2)-(1)/(6)\n\n=(6-2)/(12)\n\n=(4)/(12)=(1)/(3)\n\nSimilarly,\nd=a_3-a_2\n\n=(5)/(6)-(1)/(2)\n\n=(10-6)/(12)\n\n=(4)/(12)\n\n=(1)/(3)$

Therefore, it forms an arithmetic sequence.

Since, $a_4$ is missing,

So,

$a_4=a+3d\n\na_4=(1)/(6)+3* (1)/(3)\n\na_4=(1)/(6)+1\n\na_4=(1+6)/(6)\n\na_4=(7)/(6)$

Hence, the missing number in the sequence is $(7)/(6)$

This is an arithmetic progression at a rate of 2/6.

So 1/6 + 2/6 = 3/6 (1/2)
3/6 + 2/6 = 5/6
5/6 + 2/6 = 7/6
....
29/6 + 2/6 = 31/6
31/6 +2/6 = 33/6 (11/2)

Which equation results from taking the square root of both sides of (x – 9)2 = 81?

Answers

In the question "Which equation results from taking the square root of both sides of (x – 9)2 = 81?" The correct answer is x - 9 = +/- 9. Taking the square root of both sides of the equation (x - 9)^2 = 81 will give: sqrt(x - 9)^2 = sqrt(81) x - 9 = +/- 9 Solving the equation results in two equation: x - 9 = 9 and x - 9 = -9 x = 9 + 9 and x = -9 + 9 x = 18 and x = 0

Answer:

Step-by-step explanation:

A system of two linear equations is graphed. The lines have the same slope, but different intercepts. How many solutions does the system have?A.
0
B.
1
C.
2
D.
infinite

Answers

Hello,

lines are differents and parallel so 0 solutions
Answer A

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