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Shtirlitz [24]
3 years ago
7

I have a question for you

Mathematics
1 answer:
egoroff_w [7]3 years ago
4 0

Answer:

10 5/6

Step-by-step explanation:

First we have to make 2 1/6 into an improper fraction. This can be rewritten as 13/6. Now, we can multiply 13 by 5 and get 65/6. If we re-convert this into a mixed number, 6 goes into 65 10 times with a remainder of 5, so the final answer is 10 5/6.

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Maria studied the traffic trends in India. She found that the number of cars on the road increases by 10% each year. If there we
Delvig [45]

Answer:

Step-by-step explanation:

Let's first find the exponential function that models the situation in year one. The exponential standard form is

y=a(b)^x where a is the initial value and b is the growth/decay rate in decimal form. If it is growth it is added to 100% of the initial value; if it is decay it is taken away from 100% of the initial value. We are told that the number of cars in year one was 80 million, so

a = 80 (in millions)

If b is increasing by 10%, then we are adding that amount to the initial 100% we started with to give us 100% + 10% = 110% or, in decimal form, 1.1

The model for our situation is

y=80(1.1)^x where y is the number of cars after x years goes by. We want to find the difference between years 3 and 2, so we will use our model twice, replacing x with both a 2 and then a 3 and subtracting.

When x = 2:

y=80(1.1)^2 and

y = 80(1.21) so

y = 96.8 million cars

When x = 3:

y=80(1.1)^3 and

y = 80(1.331) so

y = 106.48 million cars

The difference between years 3 and 2 is

106.48 - 96.8 = 9.68 million cars

7 0
3 years ago
To simplify the expression 3+5×3-8÷4​
oee [108]

Answer:

5x3

Step-by-step explanation:

this is the first step

5 0
3 years ago
In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth g
svlad2 [7]
If 22% are sixth graders, then the rest must not sixths graders. 

100% of the school - 22% sixth grades = 78% are not sixths graders
8 0
3 years ago
The measure of 2WXZ is 100°.<br> What is the measure of ZYXZ?
Rom4ik [11]

Answer:

a) 69.99

b) .20%

Your welcom ,.hb

Step-by-step explanation:

4 0
3 years ago
Help. it's multiple choice. idk what it is​
kykrilka [37]

Answer:

Barium, Strontium and Beryllium

Explanation:

There are 18 groups in the periodic table and the previous 3 all belong to the same group, group 2 the alkali metals

Silicon is group 14, the carbon group

Aluminum is in the boron group, group 13

Osminium is in the  group 8 transition metals

8 0
3 years ago
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