CAN SOMEONE PLSSS HELP ME! IT’S DUE TODAY. I NEED THE SURFACE AREA AND VOLUME...

Answer:

163.67 ( I )

Step-by-step explanation:

Answer:

139.5 mm

Step-by-step explanation:

The area of a geometric shape with all sides of equal length is:

A (1/2)nsr

n = the number of sides

s = the length of the sides

r = the length of the apothem

The apothem is the line going from the center point of the shape to the middle of one of the sides.

A = (1/2)(5)(9)(6.2)

A = (1/2)279

A = 139.5 mm

Answer:

The longer length is either 99, 33 or 11 inches

Step-by-step explanation:

Given

[tex]Area = 99[/tex]

Required

The length of the longer side

Area of a rectangle is:

[tex]Area = Length * Width[/tex]

List out all possible products that give 99 [Assume the dimension are whole numbers]

[tex]Length * Width = 99 * 1 = 99[/tex]

[tex]Length * Width = 33 * 3 = 99[/tex]

[tex]Length * Width = 11 * 9 = 99[/tex]

List out the longer factors

[tex]L = \{99, 33, 11\}[/tex]

Hence, the longer length is either 99, 33 or 11 inches

Answer:

The p-value of the test is 0.0207.

Step-by-step explanation:

Test of the claim that more than 60% of the people following a particular diet will experience increased energy (H1: p > 0.6).

The null hypothesis is:

[tex]H_0: p = 0.6[/tex]

The alternate hypothesis is:

[tex]H_1: p > 0.6[/tex]

The test statistic is:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

In which X is the sample mean, [tex]\mu[/tex] is the value tested at the null hypothesis, [tex]\sigma[/tex] is the standard deviation and n is the size of the sample.

0.6 is tested at the null hypothesis:

This means that [tex]\mu = 0.6, \sigma = \sqrt{0.6*0.4}[/tex]

Of 100 randomly selected subjects who followed the diet, 70 noticed an increase in their energy level.

This means that [tex]n = 100, X = \frac{70}{100} = 0.7[/tex]

Test statistic:

[tex]z = \frac{X - \mu}{\frac{\sigma}{\sqrt{n}}}[/tex]

[tex]z = \frac{0.7 - 0.6}{\frac{\\sqrt{0.6*0.4}}{\sqrt{100}}}[/tex]

[tex]z = 2.04[/tex]

P-value of the test:

The p-value of the test is the probability of finding a sample proportion of at least 0.7, which is 1 subtracted by the p-value of z = 2.04.

Looking at the z-table, z = 2.04 has a p-value of 0.9793

1 - 0.9793 = 0.0207

The p-value of the test is 0.0207.

Answer:

Reject H0 if x > cv

Step-by-step explanation:

The hypothesis :

H0 : μ ≤ 425

H1 : μ > 425

Standard deviation, s = √2500 = 50

Sample size, n = 100

xbar = 433.5

The test statistic, Z :

(xbar - μ) / s/√n

(433.5 - 425) / 50/10

Z = 8.5 / 5 = 1.7

The decision region ;

|Z| > Z0.01 ; Reject H0

From Z table ;critical value, Z0.01 = 2.33

1.7 < 2.33 ; We fail to reject then Null and conclude that thee is no significant evidence support the claim that population mean income has increased.

Answer:

([tex](\frac{1}{2},\frac{1}{4} )[/tex]

Step-by-step explanation:

Answer:

We're plotting an ordered pair on the x (horizontal) axis and y (vertical) axis of the coordinate plane. Created by Sal Khan and Monterey Institute for Technology and Education.

Answer:

There is a rule on how we find prime numbers.

Step-by-step explanation:

A clear rule determines exactly what makes a prime: it's a whole number that can't be exactly divided by anything except 1 and itself. But there's no discernible pattern in the occurrence of the primes.That's because, after the number 5, there are only four possibilities — 1, 3, 7, and 9 — for prime last digits

Answer:

B) $3060.00

Step-by-step explanation:

8.5% of 9,000 equals 765, then 765 multiplied by 4 equals 3060.

I think that it will take Margie 4 years to pay back the bank. And the interest rate that the bank charges is 8.5% per month.

I'm not sure if this is correct

Answer:

Julie is 16 years old and Molly is 21 years old.

Step-by-step explanation:

Given that Julie is 5 years younger than her sister, Molly, and the sum of their ages is 37, to determine how old is each sister the following calculation must be performed:

(37 - 5) / 2 = X

32/2 = X

16 = X

(16 + 5) + 16 = X

21 + 16 = X

37 = X

Therefore, Julie is 16 years old and Molly is 21 years old.

Answer:

1 1/2

Step-by-step explanation:

Answer:

2x + 5.8= 45.8

Step-by-step explanation:

8x + 6x + 5x + 3x = 440

combine like terms:

22x = 440

divide both sides of the equation by 22:

x = 20

2x + 5.8= 40 + 5.8 = 45.8

Answer:

10 cubes

Step-by-step explanation:

2.5 × 1 × 2 = 5 cm³

5 ÷ 0.5

10 cubes

Answer:

10 cubes

Step-by-step explanation:

1 × 2 × 2.5 = 5cm^3

5 ×× .5 = 10

so 10 cubes would fit

43.95

divide the KM speed with 1.61 because 1 mile equals 1.61 KM

Answer:

The mass of 1000 atoms of gold is, in grams, of [tex]3.25 \times 10^{-19}[/tex]

Step-by-step explanation:

This question is solved by proportions, using a rule of three.

We have that:

One atom of gold has a mass, in grams, of [tex]3.25 \times 10^{-22}[/tex]. What is the mass of 1000 atoms of gold?

1000 atoms is [tex]10^3[/tex]. So

1 atom - [tex]3.25 \times 10^{-22}[/tex] grams

[tex]10^3[/tex] atoms - x

Applying cross multiplication:

[tex]x = 3.25 \times 10^{-22} \times 10^3 = 3.25 \times 10^{-22+3} = 3.25 \times 10^{-19}[/tex]

The mass of 1000 atoms of gold is, in grams, of [tex]3.25 \times 10^{-19}[/tex]

Answer:

The 90% confidence interval for the population mean length of nails produced by the machine.

(2.91562, 3.04438)

Step-by-step explanation:

Step:1

Given that the size of the sample 'n' = 10

Given that the mean of the sample (x⁻) = 2.98

Given that the standard deviation of the sample (s) = 0.09

Degrees of freedom = n-1 = 10 -1 = 9

t₀.₁₀ = 2.2621

Step:2

The 90% confidence interval for the population mean length of nails produced by the machine.

[tex](x^{-} - t_{9 , 0.10} \frac{S}{\sqrt{n} } , x^{-} + t_{9,0.10} \frac{S}{\sqrt{n} } )[/tex]

[tex](2.98 - 2.2621(\frac{0.09}{\sqrt{10} } , 2.98 + 2.262 \frac{0.09}{\sqrt{10} } )[/tex]

(2.98 - 0.06438 , 2.98 + 0.06438)

(2.91562 , 3.04438)

Final answer:-

The 90% confidence interval for the population mean length of nails produced by the machine.

(2.91562, 3.04438)

Answer:

2^7

Explanation:

You can add up the square of two and the square of five. This is the easiest way.

Answer:

C.

Step-by-step explanation:

Answer:

The number [tex]\frac{225}{4}[/tex] is added to the polynomial below to complete the square.

Step-by-step explanation:

Perfect square binomial:

A perfect square binomial is given by:

[tex](a + b)^2 = a^2 + 2ab + b^2[/tex]

In this question:

We have that:

[tex]a^2 + 2ab + b^2 = x^2 + 15x + ?[/tex]

Since [tex]a = x[/tex], we have that:

[tex]2ab = 15x[/tex]

[tex]2b = 15[/tex]

[tex]b = \frac{15}{2}[/tex]

Completing the square:

The term that completes the square is [tex]b^2[/tex]. So

[tex]b^2 = (\frac{15}{2})^2 = \frac{225}{4}[/tex]

The number [tex]\frac{225}{4}[/tex] is added to the polynomial below to complete the square.

Answer:

The square root of 7 and the square root of 2

Step-by-step explanation:

Answer:

15

Step-by-step explanation:

You have to find the total number of crayons whcih will be 21.

Then you do 21-6 ( red pencil) to get 15

15 pencil not read.

Answer:

Option (a) is correct.

For given values a = 1 , b = -3 , c = -5 the quadratic equation is  

Step-by-step explanation:

Given : a = 1 , b = -3 , c = -5

We have to write the quadratic equation having a = 1 , b = -3 , c = -5 and choose the correct option.

The standard form of quadratic equation is  , where a, b, c are constant integers.

Given : a = 1 , b = -3 , c = -5

Then Substitute, we get,

Thus, the obtained quadratic equation is same as option (a)

Thus, For given values a = 1 , b = -3 , c = -5 the quadratic equation is

The equation for which a-value 1, ab-value -3 and ac-value -5 is 0=-3x-5+x².

Quadratics can be defined as a polynomial equation of a second degree, which implies that it comprises a minimum of one term that is squared. It is also called quadratic equations.

Here, a-value = 1,

        ab-value =  -3

        ac-value = -5

a = 1, b = -3, and c = -5

General Equation,

ax² + bx + c = 0

1x² + (-3)x + (-5) = 0

x² -3x -5 = 0

Thus, the equation for which a-value 1, ab-value -3 and ac-value -5 is 0= -3x -5 + x².

Learn more about Quadratic Equation from:

https://brainly.com/question/1863222

#SPJ2

Step-by-step explanation:

yes, the 2 events are entirely independent

neither one influences the other.

Answer:yes

Step-by-step explanation:

Answer:

  1/2,

Step-by-step explanation: Please find the attached image of unit circle.

We have been given that the measure of angle t is 60 degrees. We are asked to find the x-coordinate of the point where the terminal side intersects the unit circle.

We know that x-coordinate on unit circle represents cosine and y-coordinate represents sine of a given angle.

We can see from our attachment that x-coordinate of the point at angle 60 degrees is , therefore, x-coordinate of the angle of 60 degrees, where the terminal side intersects the unit circle is .  

Answer:

$997

Step-by-step explanation:

Okay, so the first thing you need to do is find how much commission Luis received so that we can add that to the base salary. To do that, we could set up a proportion.

Since percentages are out of 100, we'll need to put 14 over 100. Because $6050 is the total amount he sold, we'll put that number in the denominator corresponding to the total, or 100. The proportion will look somewhat like the following:

[tex]\frac{14}{100} =\frac{x}{6050}[/tex]

To find X, we have to multiply across (14 × 6050, which is 84700) then divide that by 100 (or the denominator right on the other side), which would result in 847.

So... X = $847. Now we add that to the base salary (150 + 847), and that gets us $997 for the total he was paid last week.

I apologize for taking so long to help ^-^;

997 just cuse

i gotch you bro

Answer:

On wat

Step-by-step explanation:

Answer: 2 Don't know

Step-by-step explanation:

Answer:

The slope is -4.5

The slope means that Elijah's phone battery will decrease by 4.5 percent each hour.

Step-by-step explanation:

In the equation y = mx + b, m is the slope.

The coefficient in the equation B = 27 – 4.5t is -4.5. This means that -4.5 is the slope of the equation.

In the context of this problem, the slope will represent the percent that Elijah's phone battery will decrease per hour.

So, the slope means that Elijah's phone battery will decrease by 4.5 percent each hour.

Answer:

$732

Step-by-step explanation:

Given

[tex]y \to profit[/tex]

[tex]x \to widgets[/tex]

[tex]y = -x^2 + 64x - 292[/tex]

Required

The maximum profit

First, we calculate the maximum amount of widgets that can be sold using:

[tex]x = -\frac{b}{2a}[/tex]

Where:

[tex]a = -1; b = 64; x = -292[/tex]

So, we have:

[tex]x = -\frac{64}{2 * -1}[/tex]

[tex]x = -\frac{64}{-2}[/tex]

[tex]x = -(-32)[/tex]

[tex]x = 32[/tex]

The maximum profit is:

[tex]y = -x^2 + 64x - 292[/tex]

[tex]y = -(32)^2 + 64 * 32 - 292[/tex]

Using a calculator, we have:

[tex]y = 732[/tex]

Answer:

y >= 4/3 x + 4

Step-by-step explanation:

First, we find the equation of the line.

y = mx + b

The y-intercept is 4, so b = 4,and we have

y = mx + 4

Now we find the slope using 2 points.

slope = m = (0 - 4)/(-3 - 0) = -4/(-3) = 4/3

The equation of the line is

y = 4/3 x + 4

The line is solid, so we will use >= or <=, but not > or <.

The shading is "above" the line, so the correct sign is >=.

Answer: y >= 4/3 x + 4