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marishachu [46]
3 years ago
9

Travis visits different states every summer. This summer, he started with 4 states already visited 7 state per day. Write an equ

ation to model this situation (use d for days and s for states)
Mathematics
1 answer:
astra-53 [7]3 years ago
6 0

Answer: s = 4 + 7d

Step-by-step explanation:

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1/4 of a number minus 8 is -23
Bas_tet [7]

Answer:

I have solved it u can have a look.

6 0
3 years ago
Idk wat to do.....<br>........​
oksano4ka [1.4K]

Answer:

Mean : 95

Median : 85

Mode : 90

Part B : Impossible

Step-by-step explanation:

We can make an equation to find the mean using the first 5 history test scores.

85=\frac{80+75+90+75+95+n}{6} \\ \\ 85=\frac{415+n}{6} \\ \\ 510=415+n \\ \\ n=95

So a 95 would be needed to have a mean of 85.

Next, the median.

First, we sort the first 5 history scores from least to greatest.

We get 75, 75, 80, 90, 95.

Since, 80 is the middle value, it will be used in the calculation of the median.

We can make an equation with this.

82.5=\frac{80+n}{2} \\ \\ 165=80+n \\ \\ n=85

So a score a 85 would be needed to have a median of 82.5

Thirdly, the mode.

Since 90 is already in the set once, we can just have Maliah score another 90 to make 90 the mode (with the exception of 75 of course).

Finally, Part B.

We can use the equation we had for the first mean calculation but change 85 to 90.

90=\frac{80+75+90+75+95+n}{6} \\ \\ 90=\frac{415+n}{6} \\ \\ 540=415+n \\ \\ n=125

So Maliah would need a score of 125 to make her mean score 90, but since the range is only from 0-100, it is impossible.

8 0
3 years ago
Theo had a balance of -4 in his savings account. After making a deposit , he has $25 in his account . What is the overall change
ozzi
Theos initial balance in his savings account = -$4
Final balance after making a deposit = $25
So, the overall change to his account = $ 29
6 0
3 years ago
please help me with these two problems PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE PLEASE ​
lisov135 [29]
You can use Math-way for problems like this !! ... it’s an app it’s good for giving you answers on math equations
4 0
3 years ago
Why do people keep adding links instead of answering my? question
Svet_ta [14]

I know! It's kind if annoying tbh...

7 0
3 years ago
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