Jake's test scores are 86, 70, 72, 100, 96, and 80. What must Jake earn of his last test to earn a mean grade of exactly 85%?

Answers

Answer 1

Answer:

91

Step-by-step explanation:

Mean is calculated as

mean = [tex]\frac{sum}{count}[/tex]

let x be his test score of his last test , then

[tex]\frac{86+70+72+100+96+80+x}{7}[/tex] = 85 ( multiply both sides by 7 )

504 + x = 595 ( subtract 504 from both sides )

x = 91


Related Questions

express 4.77777..... in the form of p/q​

Answers

Answer:

[tex]\frac{43}{9}[/tex]

Step-by-step explanation:

We require 2 equations with the repeating 7 placed after the decimal point.

let x = 4.7777... → (1)

Multiply both sides by 10

10x = 47.7777.... → (2)

Subtract (1) from (2) thus eliminating the repeating 7

9x = 43 ( divide both sides by 9 )

x = [tex]\frac{43}{9}[/tex]

Avery invested $21,000 in an account paying an interest rate of 3.3%
compounded continuously. Assuming no deposits or withdrawals are made,
how long would it take, to the nearest year, for the value of the account to
reach $29,200?

Answers

Answer:

i thought i have answered this question b4

two lines intersect in the figure below. what is the value of x?

Answers

Answer:

A. 17

Step-by-step explanation:

The angles are adjacent, meaning they are congruent. So you will set (5x + 6) equal to 91

(5x + 6) = 5x + 6

5x + 6 = 91

5x + 6 - 6 = 91 - 6

5x = 85

5x / 5 = 85 / 5

x = 17

Find the next term of the following sequence.
9, 6, 4, .....


PLEASE HELP ASAP

Answers

The next term is 8/3

Answer:

[tex]common \: difference \: decreases \: by \: 1\\ next \: term = 4 - 1 \\ = 3[/tex]

Enter the correct answer in the box. What are the solutions to the equation (x - 21)^2 = 25?​

Answers

Answer:

x = 26

Step-by-step explanation:

[tex] {(x - 21)}^{2} = 25 \\ x - 21 = \sqrt{25} \\ x - 21 = 5 \\ x = 5 + 21 \\ x = 26[/tex]

Answer:

x = 26, x = 16.

Step-by-step explanation:

(x - 21)² = 25

Expand the factor.

(x - 21)(x - 21) = 25

Multiply using FOIL.

x² - 42x + 441 = 25

Subtract 25 from both sides.

x² - 42x + 416 = 0

Factor.

(x - 26)(x - 16) = 0.

Set both expressions to 0 and solve.

x - 26 = 0

Add 26 to both sides.

x = 26

x - 16 = 0

Add 16 to both sides.

x = 16

Please help me I do not understand this lolll

Answers

Answer:

I do not understand this either lolll lolll

but I guess eq 1 = D

EQ 2 = B

EQ 3 = A

EQ 4= C

That’s hard sorry I can’t

WHAT IS THE MEDIAN pls help

Answers

the median is 19.5 :))

Please help ASAP!!!!

Answers

Answer:

m<CAO = 56°

Step-by-step explanation:

Same-side interior angles are supplementary to each other, so take their sum and set them equal to 180 and solve for x:

2x + 3x + 40 = 180

5x + 40 = 180

5x = 140

x = 28

Plug x=28 into angle CAO:

CAO = 2(28) = 56°

Mi tarjeta de crédito está saturada por lo que tanto recurre un préstamo que cobra el 8% mensual por la cantidad que se solicite me prestaron 3500 cuál es la cantidad de que debo pagar al prestamista en un mes para saldar la deuda

Answers

Answer:

El valor que debes pagar al prestamista en un mes para saldar la deuda es: 3780.

Step-by-step explanation:

Para encontrar el valor que debes pagar en un mes para saldar la deuda, debes calcular el 8% del valor que te prestaron y este sería el monto de los intereses. Después, debes sumarle esta cantidad al valor que te prestaron:

monto del préstamo= 3500

3500*8%=280

3500+280=3780

De acuerdo a esto, la respuesta es que el valor que debes pagar al prestamista en un mes para saldar la deuda es: 3780.

hii please help asap ill give brainliest thanks

Answers

Answer:

Alloys...................................

PLS HELP ME THIS IS Probability (Single event) PLS HELP ME

Answers

Answer: I would say 50%

Step-by-step explanation: Because there is a 50 50 chance on getting heads or tails.

Answer:

I believe it is a 50% chance because there are only two sides to the coin. 100 divided by two is 50.

Step-by-step explanation:

I'm not sure if that is the way you are supposed to solve it. Sorry if the answer is incorrect.

When dividing by a mixed number, which should you do first?

Answers

Answer: Change each mixed number to an improper fraction.

Step-by-step explanation:

Solve for x. round your answer to the nearest whole degree.

Answers

Answer:

64°

Step-by-step explanation:

sin(x) = 17/19

take inverse sine of 17/19: [tex]sin^{-1}(17/19)[/tex] = 63.475°

they want to the nearest whole degree, so it would be ≈ 64°

Help please it’s annoying

Answers

I can’t see the picture

Whats y=-4(x+1)^2-5 in standard form

Answers

Answer:

y = - 4 (x+ 1)^2 - 5 in standard form is

y = -4x^2 - 8x - 9

Answer:

4x^2 − 8x + 9

Spongebob, Patrick, and Mr. Krabs are Investing a total of $240,000 in the Krusty Krab at a ratio of 8:5:17. How much
money did each of them invest?

Answers

Answer

SpongeBob:$64000

Patrick:$40000

Mr.Krabs:$136000

Step-by-step explanation:

8+5+17=30

Spongebob=(8/30)*$240000=$64000

Patrick=(5/30)*$240000=$40000

Mr.Krabs=(17/30)*$240000=$136000

Gilberto invests $10,000 in a savings account that pays 4.75% simple interest. If Gilberto
makes no withdrawals or deposits to the account, how much will be in the account after 7
years?
A. $3,325
B. $13,325
C. $13,838.16
D. $13,000

Answers

Answer: B. $13,325

:)

3(x−6)=−12 what is the answer pls

Answers

Answer:

[tex]3(x - 6) = - 12 \\ 3x - 18 = - 12 \\ 3x = - 12 + 18 \\ 3x = 6 \\ x = \frac{6}{3} \\ x = 2[/tex]

ʰᵒᵖᵉ ⁱᵗ ʰᵉˡᵖˢ

Answer:

x = 2

3 (x-6) = -12

3x - 18 = -12

3x - 18 + 18 = -12 + 18

3x = 6

3x/3 = 6/3

Hence,  x= 2

Step-by-step explanation:

pls mark as brainliest

hope it helps u

Question Below! 20 points!

Answers

Answer: 20

Step-by-step explanation:

The answer is is 20cm :)

Given m and n are parallel lines, t is a transversal
crossing both m and n, and m48 = 100 degrees,
what is the measure of 3?

Answers

Answer:

they would measure 74 meters

Can someone help me please explain how to solve​

Answers

Answer:

120 sq ft 1/2 x b x h

Step-by-step explanation:

Write 5.3421 (bar on 21) in p/q form

Answers

Answer:

[tex]\frac{52887}{9900}[/tex]

Step-by-step explanation:

We require 2 equations with the repeating 21 placed after the decimal point.

let x = 5.34212121 ( multiply both sides by 100 and 10000 )

100x = 534.2121... → (1)

10000x = 53421.2121... → (2)

Subtract (1) from (2) thus eliminating the repeating 21

9900x = 52887 ( divide both sides by 9900 )

x = [tex]\frac{52887}{9900}[/tex]

help me its due in 13 mins i forgot about it ​

Answers

Answer:im so sorry but i cant see the page you should take a more clear picture and send it again

Step-by-step explanation:

A planner assembles party favor bags filled with glow sticks and temporary tattoos for a client. There are 24 glow sticks and 30 temporary tattoos to divide
evenly among the bags.

If there are no leftover items, what is the greatest number of bags the planner can assemble?

A. 6 bags
B.8 bags
C. 24 bags
D. 30 bags

Answers

Answer:

24

Step-by-step explanation:

you don't have more than 24 glow sticks so thats the most amount of bags you can have

The answer to this is A 6 bags

what is the area of this figure?

Answers

the answer is 58.5 feet squared

what is the quotient when the fraction 1/3 is divided by the whole number 6?

Answers

Answer:

[tex]\frac{1}{18}[/tex]

Step-by-step explanation:

In ΔMNO, the measure of ∠O=90°, MO = 24, NM = 25, and ON = 7. What ratio represents the cosecant of ∠N?

Answers

Answer:

\csc N = \frac{\text{hypotenuse}}{\text{opposite}}=\mathbf{\frac{25}{24}}

cscN= opposite

         hypotenuse = 24/25

Step-by-step explanation:

What is the next term in the sequence 58, 47, 36, 25...?

Answers

Answer:

14

Step-by-step explanation:

subtract 11 each time.

Answer:

14

Step-by-step explanation:

Because look at the pattern they subtrat from 11

The "Open" sign at Cenzo's flashes every 4 seconds. The "Open" sign at The Kettle flashes every 5 seconds and the "Welcome" sign at Centrella's Deli flashes every 6 seconds. If the signs are turned on and flash at the same time, how long will it take for them to flash at the same time again?

Answers

It will take 60 ( one minute) for the signs to flash at the same time


Find the lcm ( least common denominator)
4: 4,8,12,16,20,24,28,32,36,40,44,48,52,
56,60
5: 5,10,15,20,25,30,35,40,45,50,55,60
6: 6,12,18,24,30,36,42,48,54,60

Which property of real numbers is this an example of? (2 + 5) + 4 = 2 + (5 + 4)

Answers

Answer:

Associate

Step-by-step explanation:

Answer is Associate. Just letting you know for sure
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