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kvasek [131]
3 years ago
6

You can use place value to think about the expression 9×6,128

Mathematics
2 answers:
saveliy_v [14]3 years ago
7 0
Sorry not good at math
aksik [14]3 years ago
6 0

Answer:

Step-by-step explanation:

Poopy ‍

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X-y=-3<br> I just kinda need the answer
bezimeni [28]

Just so you know, you have to know at least one of the variables to find out what the other is. Like for example, X could equal 2, so that would make y equal 5. Or X could equal 23, and that would make y equal 26.

5 0
3 years ago
Solve for X pleas help
nydimaria [60]

Answer:

10.5 I think

Step-by-step explanation:

(1/2) *12 is 6

(1/2)*21 is 10.5

3 0
2 years ago
Using traditional methods, it takes 9.5 hours to receive a basic flying license. A new license training method using Computer Ai
Aleonysh [2.5K]

Answer:

Step-by-step explanation:

Null hypothesis: u = 9.5hrs

Alternative: u =/ 9.5hrs

Using the t test

t = x-u/sd/√n

Where x is 10hrs, u is 9.5, sd is 1.6 and n is 15

t = 10-9.5 / (1.6/√15)

t = 0.5 / (0.4131)

t = 1.21

In order to make a conclusion, we have to find the p value at a significance level lot 0.1. The p value is 0.2263 which is greater than 0.1. This, we will fail to reject the null hypothesis and conclude that there is not enough statistical evidence to prove that the technique performs differently than the traditional method.

6 0
3 years ago
How do you solve this using substitution <br> -8x-y=-30<br> Y=12x-50
never [62]

Step-by-step explanation:

substitude the y value into y in the first equation

-8-(12x-50)=30

-8-12x+50=30

you see it?

then solve

-8+50-30=12x

you got the value = 12x

then you divide with 12

finally you get x

7 0
3 years ago
Pls answer seriously.
Lostsunrise [7]

Answer:

Answers seriously

Step-by-step explanation:

HERE U GO BAM! no sry tho I follow directions too specific

7 0
2 years ago
Read 2 more answers
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