evaluate this expression​

 Evaluate This Expression

Answers

Answer 1

Answer:

18

Step-by-step explanation:

Answer 2
8 x(1/8 x 18)
8 x (1/4 x 9)
8 x 9/4
2 x 9
= 18

Related Questions

(2^2)^4+3^3*3^3-43+85^2/85^2+23+445+54=?

Answers

Answer:

(2^2)^4+3^3*3^3-43+85^2/85^2+23+445+54= the answer is 1465

What is the slope of the line?
У
1
X Х

Answers

Answer:151500

Step-by-step explanation:the is the answer

What type of angles are <1 and <2 ?


I’m not sure if linear or complementary are the answer Bc Ik it’s not verticals

Answers

Answer:

it is linear pair

Step-by-step explanation:

it is not complementary because it doesn't add up to a sum of 90°. it is not vertical angles because that would mean they have the same degree. it's linear because they add up to 180°.

There are 60 seats on a train. 6 of the seats are empty. What percentage of the seats on the train are empty?

Answers

Answer:

10%

Step-by-step explanation:

Set up a proportion: [tex]\frac{6}{60} = \frac{x}{100}[/tex]  Cross multiply, then divide: 6 × 100 = 600, 600 ÷ 60 = 1010/100 = 10%

I hope this helps!

which values of x are solutions to the eqaution below? 4x^2-30=34​

Answers

+4,-4 is your answer I hope :)

Answer please! Find the answer to both questions

Answers

Answer:

APtₙ = (n-2)k² + (2n - 3)k + n

Step-by-step explanation:

Given sequence:

-k² - k + 1, k + 2, k² + 3k + 3, 2k² + 5k + 4, ...

We can see apart from the second term all terms are 2nd degree trinomial so it is not a GP.

Let's find the difference: to determine if it is a AP:

k + 2 - (-k² - k + 1) = k + 2 + k² + k -1 = k² + 2k + 1k² + 3k + 3 - (k + 2) =  k² + 3k + 3 - k - 2 = k² + 2k + 12k² + 5k + 4 - (k² + 3k + 3) = 2k² + 5k + 4 - k² - 3k - 3 = k² + 2k + 1

As we see the difference is common and it confirms the sequence is AP.

First term is

a₁= -k² - k + 1

Common difference is

d = k² + 2k + 1

nth term is:

tₙ = a₁ + (n-1)dtₙ = -k² - k + 1 + (n-1)(k² + 2k + 1) =-k² - k + 1 + (n-1)k² + (n-1)*2k + n-1 =(n-2)k² + (2n - 3)k + n

Given a Segment AB find the distance; B = 30 and A = 10

Answers

Answer:

use formula of distance ;

Step-by-step explanation:

d = distance

(x_1, y_1) = coordinates of the first point

(x_2, y_2) = coordinates of the second point

so d is √((x_2-x_1)²+(y_2-y_1)²)

to find the distance between any two points.

taking A as x coordinate and B as y coordinate ie

A= [10,0]; B= [0,30]

[10 is x1 ,0 is y1 ]; [0is x2 and 30 is y2]

putting values in distance formula

√(0-10)²+(30-0)²

= √( -10 )²+(30)²

=[tex]\sqrt[/tex] 100+900

=√1000

= 31.622

the distance between ab is 31.62 or√1000

what is 9,344 divided by 29

Answers

Answer:

322.2069

Step-by-step explanation:

s0 pretty much 322

Select the expressions that are equivalent to 8(6m).

Answers

[tex]\textsf{Hey there!}[/tex]

[tex]\text{Select the expressions that are equicalent to 8(6m)}\downarrow[/tex]

[tex]\text{We DON'T have any like terms so we CAN'T pair them off!}[/tex]

[tex]\mathsf{8(6m) \rightarrow 8 \times 6 \times \ m}\\\mathsf{8\times 6 = 48}}\\\mathsf{48\times\ m = 48m}\\\\\\\boxed{\boxed{\mathsf{Answer: \bf{48m}}}}\checkmark[/tex]

[tex]\textsf{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\dfrac{\frak{LoveYourselfFirst}}{:)}[/tex]

DOES ANYONE KNOW HOW TO FIND WHAT SLOPE REPRESENTS??? PLEASE HELP ME

Answers

Answer:

slope intercept form.

Step-by-step explanation:

heres the slope intercept form: y=mx+b.

this equation is what you will use to plot lines on graphs, points etc.

the letter b represents the y-intercept, where the line crosses a number on the y intercept on the graph. for example, an initial payment of 30 dollars.

the mx represents slope, or rate of change. for example, paying 5 dollars an hour.

you wouldn't plug a number to the x, but instead the m, because you'd multiply the m with the x.

Based on your question, I think you are asking what slope is. Slope is the rate of change.

Hope this helps!

Measurement A equals 6X - 35°

Answers

Answer:

............the answer is 97

Andrew had $120. He gave one-third of that amount to charity. How much money did he give to charity? a. 40 c. 60 b. 90 d. 80 Please select the best answer from the choices provided A B C D

Answers

1/3. 120 x 1/3 = 40. it could also be written as 120/3. the answer is 40$ to charity

PLZ HELP

how long will it take 6 workers to complete a task, given that 4 workers can complete the same task in 12 days?

Answers

Answer:

I think 14 days

Step-by-step explanation:

If 4 workers can do the task in 12 days then I should be able to complete the task in 4 time's 12 days. 6 workers should be able to complete the task in 4 times 12 divided 6.

A water tower that is 132 feet tall casts a 48-foot long shadow. If Shannon is 1 point
5'6" inches tall and standing near the tower, find the length of her shadow.

Answers

Answer:

2.03 ft

Step-by-step explanation:

132 divided by 48 is 2.75 and 5.6 divided by 2.75 is 2.03

Determine the dimensions of a rectangular solid (with a square base) with maximum volume if its surface area is 181.5 square centimeters

Answers

Answer:

The base and height of the solid is 5.5cm

Step-by-step explanation:

Given

[tex]Surface\ Area = 181.5cm^2[/tex]

Required

Determine the dimensions that maximizes the volume

Let the base dimension be x and the height be h

The volume is calculated as:

[tex]Volume =x^2 * h[/tex]

[tex]Volume =x^2h[/tex]

181.5 =x^2h

The surface area (S) is calculated as this:

[tex]S = 2(x^2 + xh + xh)[/tex]

[tex]S = 2(x^2 + 2xh)[/tex]

[tex]S = 2x^2 + 4xh[/tex]

Substitute 181.5 for S

[tex]181.5 = 2x^2 + 4xh[/tex]

Make h the subject:

[tex]4xh = 181.5 - 2x^2[/tex]

[tex]h = \frac{181.5 - 2x^2}{4x}[/tex]

Substitute [tex]h = \frac{181.5 - 2x^2}{4x}[/tex] in [tex]Volume =x^2h[/tex]

[tex]V = x^2(\frac{181.5 - 2x^2}{4x})[/tex]

[tex]V = x(\frac{181.5 - 2x^2}{4})[/tex]

[tex]V = \frac{1}{4}(x)(181.5 - 2x^2)[/tex]

[tex]V = \frac{181.5x}{4} - \frac{2x^3}{4}[/tex]

[tex]V = \frac{181.5x}{4} - \frac{x^3}{2}[/tex]

To get the maximum, we differentiate V with respect to t and set the differentiation to 0

[tex]dV = \frac{181.5}{4} - \frac{3x^2}{2}[/tex]

Set to 0

[tex]0 = \frac{181.5}{4} - \frac{3x^2}{2}[/tex]

[tex]\frac{3x^2}{2} = \frac{181.5}{4}[/tex]

Multiply through by 4

[tex]4 * \frac{3x^2}{2} = \frac{181.5}{4} * 4[/tex]

[tex]2*3x^2 = 181.5[/tex]

[tex]6x^2 = 181.5[/tex]

[tex]x^2 = \frac{181.5}{6}[/tex]

[tex]x^2 = 30.25[/tex]

[tex]x = \sqrt{30.25[/tex]

[tex]x = 5.5[/tex]

Recall that:

[tex]h = \frac{181.5 - 2x^2}{4x}[/tex]

[tex]h = \frac{181.5 - 2 * 5.5^2}{4 * 5.5}[/tex]

[tex]h = \frac{181.5 - 60.5}{22}[/tex]

[tex]h = \frac{121}{22}[/tex]

[tex]h = 5.5[/tex]

So, we have:

[tex]h = 5.5[/tex]

[tex]x = 5.5[/tex]

Hence, the base and height of the solid is 5.5cm

PLEASE HELP ITS DUE TODAY!!

Answers

Answer:

30

Step-by-step explanation:

Using the pythagorean theorem a^2+b^2=c^2

Answer:

30

78^2 = 72^2 + x^2 pythagoras theorem

x^2 = 900

x= 30

The ratio of Val's savings to Dan is 2:3 at first. After Dan spent P3000.00, Val's saving became 11/3 more of that Dan's remaining savings. What is the total amount of saving the two had at first

Answers

Answer:

P.7500.00

Step-by-step explanation:

We are told that:

The ratio of Val's savings to Dan is 2:3 at first.

Now, Dan spent P3000.00 and Val's saving became 1⅓ more of that Dan's remaining savings.

Let's say the total amount of savings they had at first was x.

Thus;

Val had: 2x/5

Dan had: 3x/5

Now, Dan spent P3000.00.

So amount Dan has left = (3x/5) - 3000

We are told Val's savings is now 1⅓ = 4/3 times that of Dan's remaining savings

Thus; 2x/5 = (4/3)((3x/5) - 3000)

2x/5 = 12x/15 - 4000

Multiply through by 15 to get;

6x = 12x - (3000 × 15)

6x = 12x - 45000

Rearranging, we have;

12x - 6x = 45000

6x = 45000

x = 45000/6

x = P.7500

550 is 5% of what number?

Which statements are correct? Check all that apply.

Answers

Answer:

11000

Step-by-step explanation:

if we substitute the equation with 11000 550 is 5% of 11000

negative 4 divided by 3 as a fraction.

Answers

Answer:

-4/3

Step-by-step explanation:

Because 3 is a prime number, the answer can't be reduced furthermore making your answer -4/3.

Answer:

The answer is -1.333

Step-by-step explanation:

As a fraction it is 1 333

-----

1000

Ms. MacDonald raises rabbits. she starts with five rabbits after a few months she counts five times as many rabbits

Answers

Answer:

25 rabbits because 5 x 5 is 25

Answer: 25

Step-by-step explanation:

Help please!!!! I’ll give brainilest

Answers

THE ANSWER IS B bebsjas
Hiii....I’m new in Brainly....can u plz thnx my other 3-4 ansssss plzzzzzzzz

So the correct ans is ‘D’

We could use all the help we can get. I can't find the Khan academy videos associated with my work and I'm struggling. any help is appreciatled

Answers

Answer:

#7.

The domain is {-3,0,4}

the range is {-5,0,1,7}

not a function

#8

D={3,6,12,18}

R={5,7,9,10}

not a function

Step-by-step explanation:

First, 7.

the domain is the all of the x values, in numerical order, listed once, even if it repeats.

D={-3,0,4} (notice how -3 is listed twice; despite that, we only list it once)  

the range is all of the y values, in numerical order, listed once, even if the numbers repeat

R={-5,0,1,7}

A function can have the range (y values) repeat, however, the domain (x values) cannot repeat.

Therefore, this is not a function, since -3 is listed twice.

For 8.

The domain, can be listed as

D={3,6,12,18}

And the range as

R={5,7,9,10}

Notice how it says that if 6 is the input (x), the output (y) can be 5 or 10. Since we said the domain CANNOT repeat, this isn't a function.

Hope this helps!

Write and solve an equation to find the number of miles you must drive to have the same cost for each of the car rentals. Let m represent the number of miles. $20+.50 per mile and $30+.25 permile

Answers

Answer:

equation: 20+0.50x=30+0.25x

answer: 40 miles

Step-by-step explanation:

i'm a math genius

Drag and drop the answers into the boxes to correctly convert between decimals, fractions, and percents.

Answers

Answer:

?

Step-by-step explanation:

There is no photo...

211 is 500% of what number

Answers

Answer: 42.2

Step-by-step explanation:

500/100 = 5

211/5 = 42.2

Answer:

It is 42.2!

Step-by-step explanation:

You divide 211 by 5 and get 42.2

So, 211 is 500% of 42.2! :D

Have a great day!

On the playground one for him of the students are on the jungle gym and 1/3 of the students are playing kickball what part of all the students on the playground is on the jungle gym or playing kickball use the tiles to complete the fraction strip model to show how you found your answer to fractions may be used more than once or not at all

Answers

1/4 + 1/3 = 7/12 of kids onjungle gym or playing kickball

The distance a spring will stretch varies directly how much weight is attached to the spring if a spring stretches 6 inches with 80 pounds attached how far will it stretch with 55 pounds attached? Round to the nearest 10th of an inch

Answers

Answer:

The spring will stretch 4.1 inches

Step-by-step explanation:

Direct Proportions

A direct proportion is a relation between variables where their ratio is a constant value. This means that if y and x are proportional, then:

y = kx

Where k is the constant of proportionality.

Let's call:

y = distance a spring stretches

x = weight attached to the spring

We know when x=80 pounds, y=6 inches, thus:

6 = 80k

Solve for k:

[tex]k=\frac{6}{80}=\frac{3}{40}[/tex]

The equation is now:

[tex]\displaystyle y = \frac{3}{40}x[/tex]

When x=55 pounds are attached:

[tex]\displaystyle y = \frac{3}{40}\cdot 55[/tex]

Calculating:

y = 4.1 inches

The spring will stretch 4.1 inches

ANSWER THIS CORRECTLT SENDING PAYPAL WHEN YOU ANSWER INCLUDE YOUR PAYPAL IN THE ANSWER

Answers

Answer:

You will need Brainly Plus™ to view this answer!

Step-by-step explanation:

Answer:

I think its D. Not sure though.

Step-by-step explanation:

Sorry but if I get it right its okay. You keep ur money :)

Carlos completed x3 squats as part of his football workout. if x=5, how many squats did he complete?

Answers

3x

We need to substitute x with 5 because the question is asking how many squats Carlos has completed if he completed 5.

3 x 5 = 15

Therefore, Carlos completed 15 squats as part of his football workout.

By the way, this question is very simple and basic. I recommend reviewing Algebra for your benefit/

Stephanie spends $15 each month to belong to a photography club. As a member of the club she can develop rolls of film for $2.50 each. Write and solve an equation to find the total amount Stephanie will spend this month if she develops 5 rolls of film.

Answers

Answer:

2.5*5= 12.5

15-12.5=2.5

So in order to pay the 15 dollars in the photography club, she only has to pay 2.50

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