Carlos has scored 83, 65, and 94 on his previous three tests. What score does he need on his next test so that his average (mean) is 82?
PLS HELP ME SOMEONE 32 POINTS AND PLS NO USELESS LINKS

Answer:

14367 inch^3

Step-by-step explanation:

Diameter of the cone= 14 inches

Radius of the cone= Diameter/2= 14/2= 7 inches

Height= 28 inches.

Volume of the cone = 1/3 π r^2 .h

Then substitute for the values, we have

Volume= 1/3 × π × 7^2 × 28

Volume= 1436.9 inch^3

Volume in nearest tenth= 14367 inch^3

Answer:

the number is 26

Step-by-step explanation:

x+3x+5=33

4x+5=33

4x=28

x=7

3(7)+5=26

Answer:

Fourteen more than seven times the quantity of a number minus nine.

Step-by-step explanation:

Answer:

The answer is "1.30".

Step-by-step explanation:

Proportion of population[tex]=0.20[/tex]

Ratio sample[tex]=\frac{70}{300}=\frac{7}{30}=0.23[/tex]

Statistics of the test:

[tex]\to Z=\frac{(0.23-0.2)}{\sqrt{(\frac{0.2\times(1-0.2)}{300})}}\\\\[/tex]

       [tex]=1.30[/tex]

The value of x is: 180° - 100° - 45° = 35°

Answer:

A) 113 m²

Step-by-step explanation:

A=[tex]\pi[/tex]r²

[tex]\pi[/tex]x6x6=113.097

Answer:

diameter = circumference / pi

circumference = 15cm

diameter = 15 / 3.14

               = 4.77707006369 cm

hope this answer helps you.....

please mark as brainliest... thank you!

Answer:

1375

Step-by-step explanation:

We can just follow what it says.

16 times 3 times 29 = 1392

1392 - 17 = 1375

Answer:

4.88

Step-by-step explanation:

sinA=opposite/adjacent

sin24=x/12

12(0.40673664307)=x

x=4.88083971691

Answer:

4 is the answer =)

Answer:

y = -3x + 3

Step-by-step explanation:

Since the line is parallel, it has the same slope. Plug the point you have into the equation y - y1 = slope (x -x1) to get your answer, which should be y = -3x +3

Hopefully this helps - let me know if you have any questions!

Answer:

C: y = -3x +3

Step-by-step explanation:

Lines that are parallel have the same slope have so the slope of the line in -3, now we have to find the y-intercept, we can do this by substituting -2 for x and 9 for y and solve for b

9 = -3(-2) +b

9 = 6 + b

b = 3

So the line that is parallel to y = -3x -8 and goers through the point (-2,9) is y = -3x + 3 or answer C

Answer:

there is five way to find that triangle is congruent. they are:

1. SAS axiom

2. SSS axiom

3. AAA axiom

4. ASA axiom

5. RHS axiom

Answer:

[tex]x=-4+\sqrt{2}[/tex]

[tex]x=-4-\sqrt{2}[/tex]

Step-by-step explanation:

The quadratic formula is an equation that can be used to find the roots of a quadratic equation when one is given the equation in standard form. A quadratic equation in standard form is the following,

[tex]ax^2 +bx + c=0[/tex]

The quadratic formula is the following,

[tex]\frac{(-a)(+-)\sqrt{(x)^2-4(b)(c)}}{2(a)}[/tex]

Substitute in the given coefficients for the following equation,

[tex]2x^2 + 16x + 28 = 0[/tex]

Substitute,

[tex]\frac{-16(+-)\sqrt{(16)^2-4(2)(8)}}{2(2)}[/tex]

Simplify,

[tex]\frac{-16(+-)\sqrt{256-224}}{4}\\\\=\frac{-16(+-)\sqrt{32}}{4}\\\\=\frac{-16(+-)4\sqrt{2}}{4}\\\\=-4(+-)\sqrt{2}[/tex]

The roots of the quadratic equation ([tex]2x^2+16x+28=0[/tex]) are  ([tex]x=-4+\sqrt2[/tex]) and ([tex]x=-4-\sqrt{2}[/tex])

Answer: Q1 10 Q216 Q3 8

Step-by-step explanation:

BECAUSE I THIK THAT IS THE ANSWER

Answer:

n - 5  = 8

Step-by-step explanation:

5 less than a number = a number subtracted by 5

Answer:  n = -1

Step-by-step explanation: distribute 7 to n +4 to get 7n +28 = 21

subtract 28 on both sides, to get 7n= -7 divide by positive 7, and get n=-1

plug it in to check 7(-1+4)=21

-1+4= 3

7(3)= 21

it checks out ^_^

Answer:

Accuracy = 0.81

Sensitivity = 0.93

Specificity = 0.81

Precision = 0.047

Step-by-step explanation:

Given the confusion matrix :

Actual_______ Donation___ No Donation

Donation______ 268 (TP) _______ 20 (FN)

No Donation ___5375 (FP) _____23439 (TN)

Accuracy is calculated as :

(TP + TN) / (TP+TN+FP+FN)

(268 + 23439) / (268 + 23439 + 5375 + 20)

ACCURACY = (23707 / 29102) = 0.81

Sensitivity (True positive rate) :

TP ÷ (TP + FN)

268 ÷ (268 + 20)

268 ÷ 288 = 0.93

Specificity (True Negative rate) :

TN ÷ (TN + FP)

23439 ÷ (23439 + 5375)

23439 ÷ 28814

= 0.81

Precision :

TP ÷ (TP + FP)

268 ÷ (268 + 5375)

268 ÷ 5643

= 0.047

Answer:

28

Step-by-step explanation:

a^2+b^2=c^2

a^2+96^2=100^2

a^2+9216=10000

a^2=784

a^2= √784

a=28

Answer:

Step-by-step explanation:

Let,

The unknown leg be = x

According to Pythagoras Theorem,

[tex] {hypotenuse}^{2} - {base}^{2} = {height}^{2} [/tex]

[tex] = > {100}^{2} - {96}^{2} = {x}^{2} [/tex]

[tex] = > {x}^{2} = 10000 - 9216[/tex]

[tex] = > {x}^{2} = 784[/tex]

[tex] = > x = \sqrt{784} [/tex]

=> x = 28

Hence,

the another leg is 28 in. (Ans)

Answer:

lim as x---->0 of (x²-5) = -5 which is D

Answer:

slope : -3/2

Y=(0, 9/2)

Step-by-step explanation:

Answer:

(5.240 ; 8.760)

Step-by-step explanation:

Given :

Sample mean, xbar = 7

Standard deviation, s = 2.29

Sample size, n = 9

95% confidence interval for the population mean :

Confidence interval :

Xbar ± Margin of error

Margin of Error = Tcritical * s/sqrt(n)

Tcritical at 0.05 ; df = 8 = 2.306

Margin of Error = 2.306 * 2.29/sqrt(9)

Margin of Error = 1.760

Lower boundary = (7 - 1.760) = 5.240

Upper boundary = (7 + 1.760) = 8.760

(5.240 ; 8.760)

Answer: To write a percentage as a decimal, simply divide it by 100. For example, 50% becomes 0.5, 20% becomes 0.2, 1% becomes 0.01 and so on. We can calculate percentages using this knowledge. 50% is the same as a half, so 50% of 10 is 5, because five is half of 10 (10 ÷ 2).

Step-by-step explanation:

Answer:

16.5

Step-by-step explanation:

(18-7) = 11

11 x 3 = 33

33 divided by 2 = 16.5

Answer:

[tex]16\frac{1}{2}[/tex]

Step-by-step explanation:

[tex]\frac{3 (18 - 7)}{2} =\frac{3*11}{2}=\frac{33}{2}= 16\frac{1}{2}[/tex]

Answer:

Faye has $3,000 that she is going to deposit into each of the two accounts as shown:

•Account A: 5% simple interest for 5 years

•Account B: will earn $828.84 over 5 years

Assuming Faye does not make any additional deposits nor withdrawals, find t combined amount of her two accounts after 5 years.

Step-by-step explanation:

sub to sir sir bmgo ΔΔ

Answer:

-1 is the remainder

hope it helps

Answer:

-1 is the remainder for this problem.

Step-by-step explanation:

Plato.

Answer:

3/4

Step-by-step explanation:

i was just learning this stuff

The slope of the line = 3/4

"It is the ratio of change in the y values to the change in x values"

From given graph,

Consider AB,

assuming scale of 1 unit on each axis,

change in y = 3 and the change in x = 4

Therefore, the slope of the line  = 3/4

Learn more about the slope of the line here:

https://brainly.com/question/1583658

#SPJ2

Answer:

-3/19

Step-by-step explanation:

Given data

We have the coordinates

(12, 2), (-7,5)

x1=12

y1=2

x2=-7

y2=5

The expression for the slope is given as

Slope= y2-y1/x2-x1

Substiute

Slope=  5-2/-7-12

Slope= 3/-19

Hence the slope is -3/19

Answer:

1. [tex]750(0.041) = $30.75[/tex]

2. [tex]90.75 - 55 = 35.75\\\frac{35.75}{55} = 0.65\\[/tex]   65%

3. [tex]13(1.06) = 13.78[/tex]

Please remember to brainlist this answer

Answer:

give them brainliest

Step-by-step explanation:

Answer:

I think it is 56

Step-by-step explanation: