A cylindrical container with a radius of 6 cm and a height of 10 cm is filled with water to a depth of 6 cm. A sphere with a radius of 3 cm is placed at the bottom of the container.
a) What is the volume of the water to the nearest tenth?
b) What is the volume of the sphere to the nearest tenth?
c) How much higher does the water level rise in the container, to the nearest tenth, after the
sphere is placed inside?

Answer:

No, x = -12/23 , y = -14/23

Step-by-step explanation:

Solve the following system:

{-3 x - 4 y = 4 | (equation 1)

y - 5 x = 2 | (equation 2)

Swap equation 1 with equation 2:

{-(5 x) + y = 2 | (equation 1)

-(3 x) - 4 y = 4 | (equation 2)

Subtract 3/5 × (equation 1) from equation 2:

{-(5 x) + y = 2 | (equation 1)

0 x - (23 y)/5 = 14/5 | (equation 2)

Multiply equation 2 by 5:

{-(5 x) + y = 2 | (equation 1)

0 x - 23 y = 14 | (equation 2)

Divide equation 2 by -23:

{-(5 x) + y = 2 | (equation 1)

0 x+y = (-14)/23 | (equation 2)

Subtract equation 2 from equation 1:

{-(5 x)+0 y = 60/23 | (equation 1)

0 x+y = -14/23 | (equation 2)

Divide equation 1 by -5:

{x+0 y = (-12)/23 | (equation 1)

0 x+y = -14/23 | (equation 2)

Collect results:

Answer: {x = -12/23 , y = -14/23

Answer:

250

Step-by-step explanation:

Ok so since 3 serving Is 150 you need to divide 150 by 3 to get the colerios per 1 serving, thats 50 then multyply it by 5 and you get 250

Answer:

a) An event with probability 0 is said to be impossible

b) An event with probability 1 is said to be certain

c) The probability of getting a head when flipping an unbiased coin is shown by the letter A

Step-by-step explanation:

a) If something has a 0 on a probability scale, it will never happen. The word used to describe this outcome is impossible.

b) If something has a 1 on a probability scale, it will always happen. The word used to describe this outcome is certain.

c) The probability of getting a head on an unbiased coin is [tex]\frac{1}{2}[/tex] or [tex]0.50[/tex]. This means that we are looking for the letter that is in the exact center of 0 and 1. It can be seen that A is in the dead center of these two numbers, so this is our answer.

Answer:

It will take 60 hours for 2 elephants to set up the tent.

Step-by-step explanation:

Represent set-up time by T and the number of elephants by E.  T varies inversely with E:

T  = k/E, or TE = k

If 4 elephants can set up a tent in 30 hours, then 30(4) = k, and

T = 120/E

Now let E = 2.  We get T = 120/2, or 60

It will take 60 hours for 2 elephants to set up the tent.

Answer:

no

Step-by-step explanation:

they can be either side because the numbers are different in the angles

Answer:

$2090

Step-by-step explanation:

The time is 6/12 since it is in months and not years

Interest = [tex]\frac{Principal * Rate * Time}{1}[/tex]

              =[tex]\frac{2000 * 9 * 6}{100*12}[/tex]

              = $90

This means her balance will be $(2000+ 90) = $2090

Answer:

[tex]\frac{log(y+4)}{2log3}[/tex]

Step-by-step explanation:

Given the exponential equation [tex]y = 3^{2x}+4[/tex], to get 2x, we will make 2x the subject of the formula as shown;

[tex]y = 3^{2x}-4\\y+4 = 3^{2x}\\taking\ log\ of\ both\ sides\\log(y+4) = log3^{2x}\\ log(y+4) = 2xlog3\\dividing\ both\ sides\ by\ 2log 3\\\ x = \frac{log(y-4)}{2log3} \\[/tex]

The last expression gives the required value of x

Answer:

aₙ= 3n+1

Step-by-step explanation:

4 ,1 -2, -5 ,-8

AP with a₁=4 and d= -3

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

aₙ= 4+3*(n-1)= 4+3n-3= 3n+1

aₙ= 3n+1

Answer:

(x - 6)(x + 1)

Step-by-step explanation:

Given

x² - 5x - 6

Consider the factors of the constant term (- 6) which sum to give the coefficient of the x- term (- 5)

The factors are - 6 and + 1 , since

- 6 × 1 = - 6 and - 6 + 1 = - 5, thus

x² - 5x - 6 = (x - 6)(x + 1) ← in factored form

Answer:

(x+1) (x-6)

Step-by-step explanation:

factorice la expresion

x^2 + x - 6x- 6

x(x + 1) -6(x + 1)

la solucion es:

(x + 1) (x - 6)

Answer:

Exponential Regression. An exponential regression is the process of finding the equation of the exponential function that fits best for a set of data. As a result, we get an equation of the form y=abx where a≠0 .

Step-by-step explanation:

Answer:

Step 1

Step-by-step explanation:

I believe it's step 1 because he subtracted 6 from 86 before distributing the five. In math, you must follow PEMDAS (parentheses, exponents, multiplication & division, addition & subtraction.) This person skipped the parentheses.

Answer:

The measure of angle B would be 100°

Step-by-step explanation:

Supplementary means two angles add up to 180 degrees. Let's say A+B=180. Since we know what A is, we can substitute that in, B+80=180. Now solve. B=100

Answer:

400 texts

Step-by-step explanation:

Answer:

The answer is A)

Step-by-step explanation:

Answer:

7x^2 -3x +8

Step-by-step explanation:

(9x^2+8)-(2x^2+3x)

Distribute the minus sign

(9x^2+8)-2x^2-3x)

Combine like terms

9x^2 -2x^2 -3x+8

7x^2 -3x +8

Answer:

[tex]5x {?}^{2} + 8 - 3x [/tex]

[tex]9x {?}^{2} + 8 - (4x {?}^{2} + 3x) \\ 9x {?}^{2} + 8 - 4x - 3x \\ 5x {?}^{2} + 8 - 3x[/tex]

Answer:

the answer is 2.

Step-by-step explanation:

the basic form of this equation is y=mx+c where c is the y intercept and m is the gradient. c=2 so 2 is the y intercept

Answer:

184 square inches

Step-by-step explanation:

Bases: 4 in × 5 in × 2 bases = 40 in²

Smaller pair of lateral faces: 4 in × 8 in × 2 faces = 64 in²

Larger pair of lateral faces: 5 in × 8 in × 2 faces = 80 in²

40+64+80=184 in²

The surface area of the box is 184 in² or 184 square inches.

Answer: B) 184 Square Inches

Step-by-step explanation:

To find the surface area of the box we have to use the formula, the formula is  A = 2wl + 2lh + 2hw....

To find the front and the back we have to multiply the width and the length...

8 * 5 = 40 + 40 = 80

To find the right and the left we have to multiply the length and the height...

8 * 4 = 32 + 32 = 64

To find the bottom and the top we have to multiply the height and the width...

4 * 5 = 20 + 20 = 40

40 + 64 + 80 = 184

The surface is 184 square inches, I hope this helps!

Answer:

hope this helps you

Answer:

A is correct

Step-by-step explanation:

average speed : distance / time = 240cm / 60sec = 4cm / sec : 4 centimeters per second

Answer:

A

Step-by-step explanation:

To find the cars rate per second we need to divide 240 by 60

240/60 = 4

Answer: choice D) 5

Step-by-step explanation:

22.5/9=2.5

23.5/2.5=9.4

9.4-4.4=5=x

Answer:

34

Step-by-step explanation:

j

Answer:

it would be 31

Step-by-step explanation:

Answer:

[-2 , +∞[

Step-by-step explanation:

g(12) = |12 - 12| - 2 = -2

if x ≠ 12 then |x - 12| ≥ 0 because the absolute value I should always positive.

then |x – 12| – 2 ≥ -2

then g(x) ≥ -2

then the range is [-2 , +∞[

Answer:

B

Y is greater than or equal to -2

If x² = y³ , for what value of z does [tex]x^{3z}[/tex] =  [tex]Y^{9}[/tex]  ?

Answer:

z= 2

Step-by-step explanation:

To solve the question given, we will follow the steps below;

[tex]X^{3z}[/tex] =  [tex]Y^{9}[/tex]   -----------------------------------------------------------------(1)

but   applying the law of indices mᵃᵇ = (mᵃ)ᵇ

then

[tex]Y^{9}[/tex]  = [tex](Y^{3})^{3}[/tex]

replace  [tex]Y^{9}[/tex]  by  [tex](Y^{3})^{3}[/tex]  in equation (1)

[tex]X^{3z}[/tex] =  [tex]Y^{9}[/tex]

[tex]X^{3z}[/tex] =   [tex](Y^{3})^{3}[/tex]   --------------------------------------------------------------------(2)

but  from the question x² = y³

replace y³ by x²  in equation (2)

[tex]X^{3z}[/tex] =   [tex](Y^{3})^{3}[/tex]

[tex]X^{3z}[/tex] =   [tex](X^{2})^{3}[/tex]

[tex]X^{3z}[/tex] =   [tex]X^{6}[/tex]

3z = 6

divide both-side of the equation by 3

3z/3 = 6/3

On the left-hand side of the equation, 3 at the numerator will cancel-out 3  at the denominator leaving us with just z while on the right-hand side of the equation 6 will be divided by 3

z= 2

Answer:

14 bags

Step-by-step explanation:

Total potato grown on Pat's potato farm = 490 pound

Fraction of potato delivered to vegi stand = 3/7 of total potato

Therefore,

Potato delivered to Vegi stand in pound = 3/7 of Total potato grown

                                                                     =  3/7 of 490 = 3/7 * 490

                                                                     = 210

Thus, 210 pound potato is delivered to vegi stand

___________________________________________

Fraction of potato delivered to local grocery store = 2/3 of  potato delivered to Vegi stand

Therefore,

Potato delivered to local grocery store in pound = 2/3 of  potato delivered to Vegi stand

                                                                     =  2/3 of 210 = 2/3 * 210

                                                                     = 140

Thus, 140 pound potato is delivered to local grocery store.

____________________________________________________

Half of the potatoes delivered were packaged into 5 pound bags

Half of 140 pound potato is delivered to local grocery store will be

140/2 = 70 pounds.

Thus, 70 pounds potatoes were packed in 5 pound bags.

Let the the no of 5 pounds bag be x.

if one bag has 5 pound potatoes then

x bag will have 5*x = 5x pound potatoes,

but it is given that  70 pounds potatoes were packed in 5 pound bags.

thus,

5x = 70

x = 70/5 = 14

Thus, 14 bags were packed by grocery store package.

Answer:

U = 48

Step-by-step explanation:

The sum of the angles of a triangle add to 180 degrees

x+21 + x+23 + x+61 = 180

Combine like terms

3x + 105 = 180

Subtract 105 from each side

3x+105-105 = 180-105

3x = 75

Divide by 3

3x/3 = 75/3

x = 25

We want angle u

x+23

25+23

48

Answer:

48

Step-by-step explanation:

All interior angles of a triangle add up to 180.

[tex](x+21)+(x+23)+(x+61)=180[/tex]

If you wanted to you could subtract 21, 23, and 61 from 180.

[tex](x+21)+(x+23)+(x+61)=180\\x+21+x+23+x+61=180\\3x+105=180\\3x=75[/tex]

Then take then number that's left and divide it by three, since they are all in addition to the same variable.

[tex]\frac{3x}{3}=\frac{75}{3}\\ x=25[/tex]

Then add 25 to 23 which is 48.

Answer:

There are £32.64 are in 1,088 rubles.

Step-by-step explanation:

To solve this

step 1: find cost of 1 rubble

step 2: multiply number of rubble with cost of one rubble.

cost of 850 rubles = £25

we need to find cost of 1 rubles, for that we divide lHS and RHS with 850

cost of 850/850 rubles = £25/850 = £0.03

cost of 1 rubles = £0.03

Therefore cost of 1088 rubles = 1088* cost of 1 rubles

                                                  = 1088 * £0.03 = £32.64.

Thus, there are £32.64 are in 1,088 rubles.

Answer:

Step-by-step explanation:

Zeros:  Set g(r) = (r + 14)^2 - 49 = to 0, obtaining

(r + 14)^2 = 49

Taking the square root of both sides, we get:

r + 14 = ± 7, which results in:

r = -14 + 7 = -7 and r = -14 - 7 = -21

The smaller root is -21 and the larger one is -7.

Vertex:  Compare g(r) = (r + 14)^2 - 49 to y = (x - h)^2 + k, where (h, k) represents the vertex.  We see that h = -21 and k = -49, so that we know the vertex to be (-21, -49).

Answer:

The viewer mistakenly determined that one of the equations in the system should be 2 x + y = 28.

Step-by-step explanation:

No of questions= 20

Right= x, Wrong= y, right= 2 points, wrong= -1 point, total points= 28

Correct pair of equations:

solution:

======

The mistake is:

The viewer mistakenly determined that one of the equations in the system should be 2 x + y = 28.

Answer:

Step-by-step explanation:

Finished on edge 2020

Answer:

similar and same shape.

Step-by-step explanation:

Answer:

same shape and similar

Step-by-step explanation: