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kompoz [17]
2 years ago
13

for every person that has gotten chicken ps4 there are 8 people that have had the chicken pox vaccine therefore never having chi

cken pox in a Classroom has 28 students about how many would u expect to have contracted chicken pox​
Mathematics
1 answer:
Snezhnost [94]2 years ago
7 0

Answer:

What does a PS4 have to do with chicken pox...

Step-by-step explanation:

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Work out, giving your answer in its simplest form:<br> 4/7 divided by 2 1 / 3
Vitek1552 [10]

Step-by-step explanation:

4/7÷21/3

=4/7*3/21

=12/147

8 0
3 years ago
Read 2 more answers
Please help with my math ​
GuDViN [60]

Answer:

its 80

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

6 0
3 years ago
3. James drives for 5 hours at a certain speed and then for 4 hours at a speed 6 km/h greater than his original speed. If he dri
riadik2000 [5.3K]

Answer:30km/hr

Step-by-step explanation:

Total distance=294km

Speed=s

Distance=d

Time=t

First drive:

t=5

d=s x t

d=s x 5

d=5s

Second drive:

t=4

Speed is 6km/h greater than the first speed

The new speed= s+6

d=4(s+6)

Total distance=294

5s + 4(s + 6)=294

5s + 4s + 24=294

Collect like terms

5s + 4s=294 - 24

9s=270

Divide both sides by 9

9s/9=270/9

s=30

First speed=30km/hr

4 0
3 years ago
The output of a function is 5 more than 2 times the input. Find the input when the output is 17.
Tanya [424]

Answer:

<em>The input when the output is 17 is x=6.</em>

Step-by-step explanation:

<u>Functions</u>

Assume the input is called x and the output is the function f(x). Two times the input is 2x. 5 more than that is 2x+5.

Knowing the output of the function is 5 more than 2 times the input, we can write the function as:

f(x)=2x+5

Now find the input x when the output is 17:

17=2x+5

Swap sides of the equation:

2x+5=17

Subtract 5:

2x=17-5=12

Divide by 2:

x=12/6=6

The input when the output is 17 is x=6.

7 0
3 years ago
Find an equation for the line that passes through the points (-5,-5) and (1,4)
Andreas93 [3]

The general line through (a,b) and (c,d) is

(c-a)(y-b)=(d-b)(x-a)

Here that's

(1 - - 5)(y - - 5) = (4 - -5)(x - - 5)

6(y+5)=9(x+5)

6y + 30 = 9x + 45

-15 = 9x - 6y

3x - 2y = -5

Answer: 3x - 2y = -5

We could put that in slope intercept form,

2y = 3x + 5

y = (3/2) x + 5/2

Answer: y = (3/2) x + 5/2

3 0
3 years ago
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