4. The first term of the sequence is -3 and the common ratio
is -1.

Answers

Answer 1

Answer: And the answer si +2 because negative + negative is equal to positive

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Which is the solution to the equation 3.5 (2 h + 4.5) = 57.75? Round to the nearest tenth if necessary.

Answers

Answer:

h = 6

Step-by-step explanation:

Step 1: Distribute

7h + 15.75 = 57.75

Step 2: Subtract 15.75 on both sides

7h = 42

Step 3: Divide both sides by 7

h = 6

Is #1 correct and I need help on #2 THANKS :)

Answers

Answer 1 = I believe you are correct cause when doing area , remembering you times the different area of the sides

Answer 2 = I believe the answer is C (2,0009) cause remember adding when doing volume but there are few steps ..
. i have done the work for this and hoping my work helped the answer i got help you! comment below if you need anything , thanks , have a nice day!!

a random sample of 130 students is chosen from a population of 4,500 students. if the mean iq in the sample is 120 with a standard deviation of 5, what is the 99% confidence interval for the students' mean iq score? answers given below: 118.87−121.13 107.12−132.88 125−135 115−125

Answers

Answer with explanation:

Total Sample Size = 4,500 Students

Sample Chosen(n) = 130 students

Mean IQ of the Sample, $\bar{X} = 120$

Standard Deviation, $\sigma=5$

To Calculate 99% confidence interval for the students' mean IQ score, we will calculate,

$Z_(99 percent)=2.58$

Formula for Confidence Interval

$=\bar{X} \pm Z_(99 percent)* (\sigma)/(√(n))\n\n=120 \pm 2.58 * (5)/(√(130))\n\n=120 \pm (12.9)/(11.401)\n\n =120 \pm 1.1314\n\n=120 \pm 1.13$

The Value of Confidence interval will lie between

⇒ 120 - 1.13 to 120 +1.13

⇒118.87 to 121.13

Option A: 118.87−121.13

$C.I.=120 \pm z_( \alpha /2) ( \sigma )/( √(n) ) \n =120 \pm 2.58 * (5)/( √(130) ) \n =120 \pm 1.13 \n =118.87 - 121.13$

Multiplying a number by which of the following would result in a smallest number? 10^-1 10^0 10^1 10^2

Answers

Answer:

To obtained the smallest number multiply the number with $(10)^(-1)$ .

Step-by-step explanation:

Given : $(10)^(-1),\ (10)^0,\ (10)^1,\ (10)^2$

We have to find when we multiply any number with the given number which number will give the smallest value.

Consider the given numbers,

$(10)^(-1),\ (10)^0,\ (10)^1,\ (10)^2$

We find the values of each number one by one,

1) consider $(10)^(-1)$ , using property of exponents $a^(-m)=(1)/(a^m)$ , we have

$(10)^(-1)=(1)/(10)=0.1$

2) $(10)^0$ we know any thing to power 0 is always 1.

$(10)^0=1$

3) $(10)^1$ is same as itself that is 10.

4) $(10)^2$ is $(10)* 10=100$

Thus, To obtained the smallest number multiply the number with $(10)^(-1)$ .

10^-1 would be the smallest answer...

10^-1= .1
10^0= 1
10^1= 10
10^2= 100

What is the value of x?

Answers

the answer is 4 hoped i helped you

In a 30 60 90 triangle, the ratio of the length of the side opposite to the 30 angle to the length of the side opposite the right angle is always 1/2.
1/2 of 8 is 4

If I score 13 out of 24 in a test , what percentage is this ?