Mathematics High School

I need some help I've been doing this for thirty minutes and no luck
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I Need Some Help I've Been Doing This For Thirty Minutes And No Luck

Answers

Answer 1

Answer:

(27x2)1/3 1/3±27×2

Step-by-step explanation:

es la cantidad que me dio al resolverlo

Answer 2

Answer:

its 3x square root i think

Step-by-step explanation:EZ

Related Questions

A tank contains 3000 L of pure water. Brine that contains 15 g of salt per liter of water is pumped into the tank at a rate of 25 L/min. The concentration of salt after t minutes (in grams per liter) is C(t) = 15t 120 + t . As t → [infinity], what does the concentration approach? g/L

Answers

Answer:

15 g/L

Step-by-step explanation:

Since Brine is added to the tank containing 15g/L at a rate of 25 L/min, the rate at which the quantity of salt in the tank increases is 15 g/L × 25 L/min = 375 g/min. So, in t minutes, the mass of salt in the tank, m is 375 g/min × t min = 375t

Also, the volume of the tank increases by 25 L/min, in t minutes, its volume increases by 25 L/min × t min = 25t. So, the new volume, V is 3000 + 25t.

Since we know, concentration C(t) = m/V = 375t/(3000 + 25t)

dividing through by 25, we have

C(t) = 375t/25/(3000/25 + 25t/25)

C(t) = 15t/(120 + t)

To find the limit as t ⇒ ∞, we divide C(t) by t

C(t) = 15t/t/(120/t + 1)

C(t) = 15/(120/t + 1)

putting t = ∞, we have

C(∞) = 15/(120/∞ + 1)

C(∞) = 15/(0 + 1)

C(∞) = 15/1

C(∞) = 15 g/L

So, as t  t → [infinity], the concentration approaches 15 g/L

Solve for x.
7(x - 3) + 3(4 - x) = -8


x = 25/10
x= -16/19
x= -41/10
O x = 1/4

Answers

Answer:

x = 1/4

Step-by-step explanation:

Calculations:

[tex]7(x-3)+3(4-x)=-8[/tex]

[tex]7x-21+12-3x=-8[/tex]

[tex]4x-9=-8[/tex]

[tex]4x=1[/tex]

[tex]x=\frac{1}{4}[/tex]

I need to get h5h+11−h in it's simplest form.

Answers

Answer:

5h+11

Step-by-step explanation:

You add the like terms so 1h+5h-1h= 5h. Then you just add 11 into the equation

If you cut away a triangle of area 59cm^2,the remaining area will be 85cm^2.Find the length of the side of the square before it was cut.?

Answers

Answer: side length = 12

Explanation

let x be the original area

Thus x - 59 = 85

=> x = 85 + 59
x = 144

Since we know the original shape is a square and Area of a square = side x side.

Find side length:

A = a^2

But A = 144

144 = a^2
12 = a

So the side of the square b4 it was cut is 12 cm

pleeease help will give brainliest

Answers

Answer:

2x,5x

Step-by-step explanation:

thats right I am not smart

Answer:

(x,y) = ( -6,8)

Step-by-step explanation:

waiting for brainlist

A small box of muffins contains 2 blueberries, 1 cinnamon, and 3 chocolate. if a large batch of muffins contains 9 chocolate how many blue muffins are there?

PLS DO NOT JUST ADD THE ANSWER PLS ADD HOW U GOT IT TOO!!!

6th grade math

Answers

Answer: yo we have a problem

Step-by-step explanation:

im in 10th grade and i cant answer this problem 0.0

The perimeter of a rectangle is 84cm . It's longest side is 29cm. State the length of the shortest side

Answers

Answer:

13cm

Step-by-step explanation:

29x2=58

84-58=26

26÷2=13

29+29 is 58
84-58 is 26
26/2 is 13.
Therefore shorter side is 13

Do All slope triangles have a ratio of 1/5?

Answers

The slope angle for all of the slope triangles is 11° and all the slope ratios are equal since they all equal 1/5

Question Progress
112 Mais
Homework Progress
191 19 Mars
Find the term to term rules for the following sequences:

b)
2, 6, 18, 54, 162

Answers

Answer: Please see explanation column for answer

Step-by-step explanation:

According to sequence   2, 6, 18, 54, 162

--we can see that it is a geometric sequence since to go from one term to the next requires us to  multiply by 3 which is called the common ratio which is gotten by dividing the next by the previous.

ie term 2/ term 1= 6/2 = 3

term 3/ term 2= 18/6= 3

term 4/ term 3= 54/28= 3

term 5 / term 4= 162/54=3

term 6 will therefore be 162 x3 = 486

and term 7 = 486 x 3=1,458 and so on

Recall that  nth term of GP is

Tn = ar^n-1

Where a= first term

r= common ratio

n= term

such that to easily find particular term, we  plug in the values and calculate

for example the 10th term of the above sequence

Tn = ar^n-1

= 2 X 3 ^(10-1)

2 X 3^9

T10 =39,366

Malik and Tasha each worked three days in one week at the grocery store. Each day, Malik worked 2 fewer hours than Tasha. They worked a total of 18 hours that week. Find the number of hours that Tasha worked each day.

Answers

Answer:

Step-by-step explanation:

Firstly, since they worked 18 hours over 3 days, they worked a total of 6 hours each day. Since Malik worked 2 fewer hours than Tasha, we have that Tasha worked (6+2)/2 = 4 hours each day and Malik worked 2 hours each day.

90 students are participating in a contest. There are twice as many girls as boys in this group. Max ranks fourteenth from the top, and there are 10 girls who rank higher than him. How many boys rank lower than Max?

Answers

Answer: 57 boys

Step-by-step explanation: Lets break it down right

14th from the top with 10 girls in front which means 3 boys are in front and since there are twice as many girls as boys there are 60 girls and 30 boys so 3 boys are ahead which leaves 57 boys below him

W-1<4 need help please

Answers

Answer:

5

Step-by-step explanation:

collect like terms

w<4+1

w<5

Emily estimated it would take her 40 minutes to run 3 miles. It actually took her 30 minutes. What was Emily's percent of error for the time she estimated to run 3 miles? A. 26.7% B. 25.0% C. 33.3% D. 10.0%

Answers

Answer:

C. 33.3%

Step-by-step explanation:

Estimated time = 40 minutes

Actual time = 30 minutes

Percent of error = (estimated time - actual time) / actual time × 100

= (40 minutes - 30 minutes) / 30 minutes × 100

= 10 minutes / 30 minutes × 100

= 0.3333 × 100

= 33.3%

Percent of error = 33.3%

C. 33.3%

Find the value of x.

Answers

Answer:

B x=14

Step-by-step explanation:

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Solve the system of equations

-3x+y=-9
3x-y=9

Uh I think the answer is no solution???!? But I’m not sure, pls help.

Answers

Answer:

Infinitely Many Solutions

Step-by-step explanation:

-3x+y=-9

3x-y=9

--------------

0=0

It’s infinite solution because 0=0

1) Has zeros at -2 and 4, both being double roots

2) As x→∞, y→−∞

Answers

-(x+2)^2(x-4)^2

Not that if x= -2 and x=4 they will look like this in an equation: (x+2) and (x-4)
When (x+2) and (x-4) are set equal to zero and you solve for x, x will equal x= -2 and x=4

If they have double roots, they have a multiplicity of 2 (per root) meaning they will bounce off of the x-axis. Multiplicity can be found by using exponents.

The negative in front flips the function over the x-axis and holds true to the given limit.

Please plz help angles inside circles. and segments

Answers

Answer:

the first one

Step-by-step explanation:

The minute hand of a clock is 10 inches long . What is the linear speed in terms of pi of the tip of the minute hand in inches per minute?

Answers

Answer:

the speed is about 10 inches per minute

Step-by-step explanation:

Or you could say 1/6th Inch per second

x + 7 = 12
i'm lost pls help me

Answers

Answer:

5

Step-by-step explanation:

12 - 7 = 5

x= 5

.....................................

160% of what number is 80% please help!

Answers

160% of 50 is the answer

PLZ HELP ILL GIVE 18 POINTS

Answers

Answer:

8 4/7

Step-by-step explanation:

the 4/7 is the fraction

I also need help rq for questions number 3

Answers

Answer:

12 because 12 to the power of two will be 12 x 12 = 144, and 35 x 35 = 1225 which is b and 37 x 37 = 1369 which is c and is the answer so..  144 + 1225 = 1369. SO 12 would fit!

There are 45 students who participate in tennis. Of these, 18 do an event other than running. What percent of the students do an event other than running? *

Answers

Answer:

garal 45 students to participate in tennis out of this it into an event other than running what percentage of the students do another event it is 45 - 18 and you will get a number and that answer you multiply it by hundred and divide 100 then it will give you an answer

Answer:

[tex]40\%[/tex]

[tex] \frac{18}{45} \times 100[/tex]

[tex] \frac{18}{9} \times 20[/tex]

[tex]2 \times 20[/tex]

[tex] = 40[/tex]

Step-by-step explanation:

[tex]hope \: it \: helps \: you \: [/tex]

Help please. Questions down below

You have to fill in the mathematical sign that would make 24.
Have to use these: ÷ × + -

Answers

Answer:

((36 × 2 ÷ 3) - 12) × 2 = 24

Step-by-step explanation:

(36 × 2 ÷ 3 ÷ 12) - 2 = 0

((36 × 2 ÷ 3) - 12) × 2 = 24

Describe the pattern. Draw what might be the next three figures in the pattern

Answers

Answer:

i dont know lol

Step-by-step explanation:

solve the equation by factoring: 6x-0.2x^2=0
Please ill give brainliest to the correct answer

Answers

Answer:

The solution to the quadratic equation:

[tex]x=0,\:x=30[/tex]

Step-by-step explanation:

Given the equation

[tex]6x-0.2x^2=0[/tex]

6x - 0.2x · x = 0

Factor out common term -x

-x (0.2x - 6) = 0

Using the zero factor principle

if ab=0, then a=0 or b=0 (or both a=0 and b=0)

[tex]x=0\quad \mathrm{or}\quad \:0.2x-6=0[/tex]

solving

[tex]0.2x-6=0[/tex]

Multiply both sides by 10

[tex]0.2x\cdot \:10-6\cdot \:10=0\cdot \:10[/tex]

Refine

[tex]2x-60=0[/tex]

Add 60 to  both sides

[tex]2x-60+60=0+60[/tex]

Simplify

[tex]2x=60[/tex]

Divide both sides by 2

[tex]\frac{2x}{2}=\frac{60}{2}[/tex]

Simplify

[tex]x=30[/tex]

Thus, the solution to the quadratic equation:

[tex]x=0,\:x=30[/tex]

What is the value of x in the triangle? A. 21 B. 10 C. 7 D. 7√3

Answers

A

Working:
Tan(angle)=opposite/adjacent
Tan60 = x/7root3
x=7root3 x Tan60
Enter in calculator
x=21

What is the answer for this?

Answers

Step-by-step explanation:

im learning this too and I dont get it at all but use A app called Math. way

Answer:

3 =x 5 = y

Step-by-step explanation:

Using statistics shown you can infer that -2y + 12 = x

Find the sum.(62+5−3)+(2−9)
I will mark brainiest!

Answers

Answer:

57

Step-by-step explanation:

(62+5-3)+(2-9)

(67-3)+(-7)

64-7

= 57

Please help!


Mr. Bolden bought g guppies at a pet store for $3.00 each and paid with a $20 bill. Write an algebraic expression to represent how much change he will receive.

Answers

Answer:

C= 20-3g

Step-by-step explanation:

Given data

Mr. Bolden bought g guppies at a pet store for $3.00 each

cost = 3g

We are also given that the money paid is $20

Therefore let the change be c

The expression for his change is

[tex]C= 20-3g[/tex]

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