8n + 5 = 77
this is for middle school

Answers

Answer 1

Answer:

n=9

Step-by-step explanation:

Answer 2

Answer:

n=9

Step-by-step explanation:

8n+5=77

8n=72

n=9


Related Questions

i still haven't finished this and it's due today. i really would appreciate some help .

Answers

A
x X x
= x^2

B
20 x 20 = 40

C
100 / 40 = 2.5 per square inch


A cube has a total surface area of 150 inches squared. Considering every side length is
congruent, and every face equivalent on a cube, what is the side length?

Answers

Answer:25.0

Step-by-step explanation: 5.0 times 5.0

Louis wants to buy skis that have a regular price of $328. They have been marked down 25% off the regular price. Louis
calculates the new total price including tax. How much money will Louis save on the total cost because of the markdown?

Answers

Answer:

$82

Step-by-step explanation:

make 25% into a decimal which equals .25, then do 328. x .25 which equals $82

Which expression is the equivalent to 23 1/2?

Answers

Answer:

Step-by-step explanation:

Recall that the quantity 25^(1/2) with fractional exponent 1/2 can be rewritten in the equivalent √25.  In other words, the exponential form

25^(1/2) has the same value (outcome) as does √25.

In general, b^(1/a) is equivalent to (index a root of b).

[tex]\sqrt{23}[/tex] is the equivalent expression of [tex]23^{\frac{1}{2} }[/tex]

What is Expression?

An expression is combination of variables, numbers and operators.

Equivalent expression is the expression whose value will be same when we simplify.

The given expression is Twenty three power one by two.

[tex]23^{\frac{1}{2} }[/tex]

By the exponential property.

Root of twenty three is expression equivalent to twenty three power of one by two.

[tex]\sqrt{23}[/tex]

Hence, [tex]\sqrt{23}[/tex] is the equivalent expression of [tex]23^{\frac{1}{2} }[/tex]

To learn more on Expressions click:

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PLS HELP. If the spinner shown below was used 100 times, how many times can you expect to spin a number greater than 3?

3
60
2
40​

Answers

Answer:

60 times

Step-by-step explanation:

A paved walkway around a garden has an outer diameter of 80 ft and an inner diameter of 40 ft. A diagram is shown below.
What is the approximate area of the paved walkway?

Answers

Given:

Outer diameter = D = 80 ftInner diameter = d = 40 ft

So,

Outer radius = R = D/2

=> R = (80 ft)/2

=> R = 40 ft

Inner radius = r = d/2

=> r = (40 ft)/2

=> r = 20 ft

Area of paved pathway = πR² - πr²

= π(R² - r²)

= π(R + r)(R - r)

= π(40 + 20)(40 - 20) ft²

= π(60)(20) ft²

= 3.14 * 1200 ft²

= 3768 ft²

Functions f(x)16x^2
G(x) 1/4 sq root x

Answers

Answer:

x

x

are the same

Step-by-step explanation:

when you plug in g(x) into f(x)

f(x)=16((1/4)(x)^.5)==x

then vice versa

g(x)=(1/4)((16x^2)^.5)==x

They are the same and, therefore, inverses of each other.

Question 9 of 10
Which of the following equations is an example of inverse variation between
the variables x and y?

Y=x/3
Y=3x

Answers

Answer:

1st one........,..............

Find the volume of a cylinder in cubic feet

Answers

Answer:

4398.23

Step-by-step explanation:


If the hypotenuse of a right triangle is 8 and one leg is 6, what is the length of the other leg?

Answers

Answer:

5.3

Step-by-step explanation:

pythagorean theory :,)

[tex]a^{2} + b^{2} = c^{2}[/tex]

the legs are [tex]a[/tex] and [tex]b[/tex], while the hypotenuse (the longest side) is [tex]c[/tex]

fill in the equation with the information u have and simplify so

[tex]a^{2} + 6^{2} = 8^{2}[/tex]

[tex]a^{2} + 36 = 64[/tex]

now get the variable ([tex]a[/tex]) by itself

[tex]a^{2} + 36 = 64\\[/tex]

(subtract 36 on both sides)

[tex]a^{2} = 28[/tex]

[tex]a = 5.3[/tex]

square root of both sides ≈ 5.3

(you could also multiply the square root of 7 by 2)

Analyze: 30 + 11 when c=4

Answers

It would be 23 because 3(4) + 11 would convert to 12 + 11 giving you 23

Answer:

23

Step-by-step explanation:

3c + 11

3(4) + 11

12 + 11

23

As part of a survey, 500 boys were asked to name their favorite car. The results showed that 30 of the boys named a Corvette as their favorite car. What percentage of the boys in the survey named a Corvette as their favorite car?
A-6%
B-0.6%
C-60%
D-40%

Answers

A-6%
30 ÷ 500 = 0.06 = 6%

TTriangle H L I is shown. Line segment J K is drawn near point L to create triangle J L K. If △HLI ~ △JLK by the SSS similarity theorem, then StartFraction H L Over J L EndFraction = StartFraction I L Over K L EndFraction is also equal to which ratio? StartFraction H I Over J K EndFraction StartFraction H J Over J L EndFraction StartFraction I K Over K L EndFraction StartFraction J K Over H I EndFraction

Answers

Question:

[tex]\triangle[/tex]HLI is shown. Line segment JK is drawn near point L to create [tex]\triangle[/tex]JLK. If [tex]\triangle[/tex]HLI ~ [tex]\triangle[/tex]JLK by the SSS similarity theorem, then [tex]\frac{HL}{JL} =\frac{IL}{KL}[/tex] is also equal to which ratio?

[tex]\frac{H I}{J K}[/tex]      [tex]\frac{H J}{J L}[/tex]     [tex]\frac{I K}{K L}[/tex]     [tex]\frac{J K}{H I}[/tex]      

Answer:

[tex]\frac{H I}{J K}[/tex]

Step-by-step explanation:

Given

HLI ~ [tex]\triangle[/tex]JLK

[tex]\frac{HL}{JL} =\frac{IL}{KL}[/tex]

Required

Which other ratio equals [tex]\frac{HL}{JL} =\frac{IL}{KL}[/tex]

[tex]\triangle[/tex]HLI ~ [tex]\triangle[/tex]JLK  implies that:

HL, IL and HI corresponds to JL, KL and JK respectively.

So, the possible ratios are:

HL : IL : HI = JL : KL : JK

Convert to fractions

[tex]\frac{HL}{JL} = \frac{IL}{KL} = \frac{HI}{JK}[/tex]

So, from the list of options

[tex]\frac{H I}{J K}[/tex] is equivalent to [tex]\frac{HL}{JL} =\frac{IL}{KL}[/tex]

Answer:

its A

Step-by-step explanation:

Find the missing side round your answer to the nearest tenth

Answers

Answer:

x ≈ 14.7

Step-by-step explanation:

Assuming the triangle is right then use Pythagoras' identity.

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides, that is

x² + 15² = 21²

x² + 225 = 441 ( subtract 225 from both sides )

x² = 216 ( take the square root of both sides )

x = [tex]\sqrt{216}[/tex] ≈ 14.7 ( to the nearest tenth )

help me pleaseeeeeeeeeeeeeeeeeeeeeeeee!!!!

Answers

Answer:

39 is sydney age

39 +39 is 78 and they said two times

Y=6-x In this case, what would be the slope and y-intercept? I'm having a hard time trying to get it to the y=mx+b format.

Answers

Answer:

Slope = [tex]\frac{-1}{1}[/tex] or -1

y = 6

Step-by-step explanation:

The equation given (y = 6 - x) is the same as saying

y = -1x + 6

Since we have a negative x variable and a positive 6 and would also be graphed the same. The only difference is that the second equation I just mentioned resembles the y = mx + b expression more. In this case the slope would be

Slope = [tex]\frac{-1}{1}[/tex] or -1

While the y-intercept would be

y = 6 - x

y = 6 - 0

y = 6

2 ft 12 ft

what is the surface area and volume​

Answers

5.12? Maybe 24? I’m sorry if there wrong which they probably are. Sorry :(

1/5x1/3 as a fraction please

Answers

Answer:

Step-by-step explanation:

If the (X) in this means times then

1/15

The value of solution of expression is,

⇒ 1 / 15

We have to given that;

Expression is,

⇒ 1/5 × 1/3

Now, We can multiply the numbers as;

⇒ 1/5 x 1/3

⇒ 1 / (5×3)

⇒ 1 / 15

Thus, The value of solution of expression is,

⇒ 1 / 15

Learn more about the multiplication visit:

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will give brainliest What are the coordinates of Point A?
A) (1, 2)
B) (-1, 2)
C) (2, 1)
D) (1, -2)

Answers

Answer:

A= (1,2)

Step-by-step explanation:

I hope this helps

have a nice day/night

mark brainliest please :)

Answer:

A) (1, 2)

Explanation:

The origin is (0, 0), where the y-axis and the x-axis intercept (the two lines). You find the coordinates by measuring the point's distance on the both lines from the origin. On the x-axis, (horizontal, the one that goes from left to right) the point is 1 unit to the right, so the x is 1. On the y-axis (vertical, the one that goes from up to down), the point is 2 units to the right, so y is 2. The combined coordinate is (1, 2).

PLEASE HELP!!

You and your 8 friends decide to draw straws for a prize. There are 8 long straws and 1 short straw. Describe how the theoretical probability of drawing the short straw changes as each friend picks a straw.

Answers

Answer:

the total of straw are going to be 9 and there will be a 1/9 chances of getting the short straw. while each friend picks a straw the probability of getting a short straw is going to be higher because the amount of straws are going to be lessened.

What is the quotient?
x + 1)3x2 – 2x + 7
O 3x - 5+
2
X + 1
O 3x - 5+
12
X + 1
2
O 3x + 5 +
2
X + 1
O 3x + 5+
12
X + 1

Answers

Answer:

The answer is the second one .

Omg guys I need help with this question I've failed the test like 4 time because of this question and I give up. Can someone please help me with this?

Answers

Answer:

D. 270

Step-by-step explanation:

With the information given you can work your way around the table to fill in the blanks

300-120=180 Red-footed one-headed

180+200=380 total red-footed

650-380=270 total black-footed (answer)

270-120=150 black-footed two-headed

150+200=350 two-headed

Answer:

270

Step-by-step explanation:

300-120=180,to get one headed red footed

650-300=350, total two headed.

350-200=150, to get two headed black footed.

150+120=270, total black footed mizjigs

The radius of a sphere with a volume of 4.5 cubic mm is ___ mm.

Answers

Answer:

2.5 mm

Step-by-step explanation:

answer this please i need this​

Answers

Answer:

x=121°

Step-by-step explanation:

the sum of angles in a triangle always equal 180°

that means that 22°+37°+x°=180°

so we solve the equation by isolating the variable

add 22 and 37 together

59°+x°=180°

subtract 59 from both sides

x=121°

that means that x is 121 degrees

hope this helps!

does order matter in division of fractions? for example, is 2 3rds divided by 1 5th the same as 1 5th divided by 3 2s

Answers

Answer:

Order matters in divisions of fractions. If you do not put them in the correct order, you will get different answers

Step-by-step explanation:

3(4) divided by ( 14-5 ) x 2

Answers

Answer:

it is 2.6 that is the answer

I NEED HELPP!!! WHOEVER GETS IT RIGHT GETS BRAINLIEST!!
There needs to be an explanation!!!
So if you don't have one don't answer!

Answers

Answer:

i think its b

Step-by-step explanation

because there are 6 slices and there is 1 red soo

i think its b

sorry if its wrong

but i think its b

The height of a square pyramid is 15 centimeters. The sides of its base measures 6 centimeters. What is the volume of the pyramid?

Answers

Answer:

180cm^3

Step-by-step explanation:

Given data

Height b=15 cm

Base a= 6cm

The expression for the volume of a pyramid is

V=a^2h/3

Substitute

V= 6^2*15/3

V= 36*5

V=180cm^3

Hence the volume is  180cm^3

ok i give you free point answer this good luck ​

Answers

Answer:

120

Step-by-step explanation:

Answer: 120

12 x 10 = 120

The mall is 6 miles west of the highway. The hospital is 12 miles west of the mall. How far, and in what direction, is the hospital from the highway?

Answers

Answer: 18 miles west

Step-by-step explanation:

The mall is west of the highway.

The hospital is then west of the mall.

If the hospital is west of the mall which is already to the west of the highway, the Hospital must be west of the highway as well.

The hospital is 12 miles west of the mall which is then 6 miles west of the highway. As they are both west, it is a continuous distance and we can simply add their distances up and assume the distance is linear.

The distance between the hospital and the highway is therefore:

= 12 + 6

= 18 miles west

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