Mary has 200ml of hand sanitizer that is 15% alcohol she mixes it with 200ml of a hand sanitizer that is x% alcohol how many ml is in the second hand sanitizer?

Answer:

a,b

Step-by-step explanation:

Answer:

Step-by-step explanation:

5. 24

6. 14

7. 45

8. 15

9. 5

10. 5

11. 18

12. 12

13. 8

14. 84

Answer:

Don't have the ability to graph here but graph as follows:

X=1, Y=4

X=2, Y=8

X=3, Y=12

etc....etc....etc

The points will be proportional so your line will be straight.

Step-by-step explanation:

Answer:

yes, no, yes, no

Step-by-step explanation:

the first two are correct, try an example for 2 and 3

b = a - 5 yes

if a = 5 and b = 0

5 - 5 = 0

a = b - 5 no

if a = 5 and b = 0

5 = 0 - 5 which is not true 5 doesnt equal -5

Answer:

4

7

w

=

16

Multiply both sides of the equation by

7

4

.

7

4

⋅

4

7

⋅

w

=

7

4

⋅

16

Simplify  

7

4

⋅

4

7

⋅

w

.

Step-by-step explanation:

Answer:

28

Step-by-step explanation:

4/7w = 16

Multiply both sides by 7/4 to get the variable isolated

w=28

Answer:

I don't know what you are asking

Step-by-step explanation:

Answer:

1.) A. 8/9

2.) C. 4/9

3.) B. 7/11

4.) D. 10/3

5.) C. 0.06 (repeating)

Step-by-step explanation:

Answer:

umm i'm sorry i guess

Step-by-step explanation:

thnx for the points btw

Answer:

C is the answer

Answer:

y = 20x

Step-by-step explanation:

y is the total amount that ricky will pay for the CDs.

x is the number of CDs that ricky bought.

so, in this case, if you replace the x by 600 :

y=20 x 600, witch means that the value of y is :

y = 12000 dollars.

Answer:

Step-by-step explanation:

Based on similar triangle;

14/49 = x+5/9x+1

Cross multiply

49(x+5) = 14(9x+1)

49x + 245 = 126x + 14

49x - 126x = 14 - 245

-77x = -231

x = -231/-77

x = 3

Hence the value of x is 3

Answer:

k= -18

Step-by-step explanation:

4(k-6) -12= 6k

4k-24-12=6k

-36=6k-4k

-36=2k

-----  ----

2      2

k= -18

89 Step-by-step explanation: 12+-3 = 6

Answer: 5,120

Step-by-step explanation:

Your equation is:

v(t) = 320 • 4^t

You are trying to find v(2) so:

t = 2

Plug in 2 for t:

v(2) = 320 • 4²

Solve:

v(2) = 5,120 views

Hope this helps! :)

Answer:

[tex]10x^{2}[/tex] + 20x + 50

Step-by-step explanation:

[tex]a^{2} + b^{2} = c^{2} \\(x+7)^{2} + (3x+1)^{2} = 10x^{2} + 20x + 50[/tex]

Answer:

i think its A cs its the most reasonable one

Step-by-step explanation:

sorry if its wrong

Answer:

1.20 per pound

Step-by-step explanation:

calculating what the percent is taken from 1.50, simply take the period out of the 150 and multiply by x .20 to get 30 from it, then subtract 30 from 150 to get 120 and from there you can add the period back in. Hope this helps !

Answer:

False

Step-by-step explanation:

The left side −28 does not equal to the right side 22 , which means that the given statement is false.

Answer:

16/3 or 5.3 recurring

Step-by-step explanation:

-8 times -2/3 is 16/3, and 16/3 is 5.3 recurring

Answer:

his brother is 8

Step-by-step explanation:

i did math :)

Answer:

Tucks brother is 8 years old.

Step-by-step explanation:

2x = 22 - 14= 8

Answer:2/7, 3/7, 6/7

Step-by-step explanation:

Answer:

2/7 , 3/7 , 6/7

Step-by-step explanation:

Answer:

1. h = 2.4t + 4

2. 4 feet

3. 220 feet

Step-by-step explanation:

1. Write a linear model for the height, h, of the balloon as a function of the number of seconds, s that it has been raising.

Since the balloon rises at a constant rate, we find this rate by using the initial and final values of height and time at 5 seconds and 20 seconds respectively which are 12 feet and 52 feet respectively.

So, rate = gradient of line

= change in height/change  in time

= (52 ft - 16 ft)/(20 s - 5 s)

= 36 ft/15 s

= 2.4 ft/s

Now the equation of the line which shows the height is gotten from

(h - h')/(t - t') = rate

Using h'= 16 feet and t' = 5 s, we have

(h - 16)/(t - 5) = 2.4

h - 16 = 2.4(t - 5)

h - 16 = 2.4t - 12

h = 2.4t - 12 + 16

h = 2.4t + 4

where h is the height of the balloon above the ground and t is the time spent in the air in seconds.

2. What was the height of the balloon initially before the child let it go?

We obtain the initial height of the balloon before the child let go at time, t = 0 the time before the child let go.

So, substituting t = 0 into the equation for h, we have

h = 2.4t + 4

h = 2.4(0) + 4

h = 0 + 4

h = 4 feet

So, the height of the balloon before the child let go is 4 feet above the ground.

3. Use your model to predict the height of the balloon after 90 seconds.

We insert t = 90 s into the equation for h. So,

h = 2.4t + 4

h = 2.4(90) + 4

h = 216 + 4

h = 220 feet

So, the height of the balloon after 90 s is 220 feet above the ground.

Answer:

A. 200

B. Growth

C. 118%

Step-by-step explanation:

Answer:

Initial population size=200

The function represents a growth

Step-by-step explanation:

Equation to calculate population size after time, t

P(t) = 200(1.18)^t

To find initial population size we will take t = 0

P(0) = 200(1.18)^0

      = 200(1)

      = 200

To find that function represent growth or decay

P(1) = 200(1.18)^1

     = 200(1.18)

     = 236

Its means that after a year population increases. Hence, function represent growth.

By what percentage does the population change each year?

(236 - 200 / 200) * 100%

= 235%

Answer:

935 apples

Step-by-step explanation:

927 plus 8 equal 935

The answer is 935

because remove the 92 from 927 you have 8+7

so the equals 15 then add 1 to the 2 and then you have 3 then you have the remaining 5 where you leave in the ones place then you have 935

Answer:

735

Step-by-step explanation:

Answer:

FG

Step-by-step explanation:

I did this on my computer

The pair of the line together, could be perpendicular to RS should be considered as the EA and FG.

In terms of elementary geometry, two geometric objects should be considered as the perpendicular when they intersect at a right angle. A line is treated to be perpendicular to another line in the case when the two lines intersect at a right angle.

Therefore, The pair of the line together, could be perpendicular to RS should be considered as the EA and FG.

Learn more about pair here: https://brainly.com/question/4845674