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In-s [12.5K]
3 years ago
6

Six plus five times a number is less than the sum of the number and one.....

Mathematics
1 answer:
Semmy [17]3 years ago
4 0
6+5(x) < 1+(x) this is the correct form
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Consider the triangle.
BigorU [14]

Answer:

It's the second answer down : Angle B, A and C

Step-by-step explanation:

7 0
3 years ago
Please help! (listing BRAINLIST and giving points) ​ :)​
NikAS [45]

Answer:

Tan B = 12/5

Sin B = 12/13

Cos B = 5/13

Step-by-step explanation:

sine B =  opposite (12)/hypotenuse (13)

          = 12/13

Cosine B = adjacent/hypotenuse

               = 5/13

Tangent B = opposite/adjacent

                 = 12/5

Here is a picture that can always help you with the three trig ratios.

3 0
3 years ago
50 random teenagers were asked how many hours a day they use their phone. They spent an average of 7 hours a day with a standard
tatyana61 [14]

Answer:

The margin of error for the true mean number of hours a teenager spends on their phone is of 0.4 hours a day.

Step-by-step explanation:

We have the standard deviation of the saple, so we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 50 - 1 = 49

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 49 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2\frac{1.3}{\sqrt{50}} = 0.4

In which s is the standard deviation of the sample and n is the size of the sample.

The margin of error for the true mean number of hours a teenager spends on their phone is of 0.4 hours a day.

4 0
3 years ago
Find area of trapezoid ​
DochEvi [55]

Answer:

150 sqaure ft

Step-by-step explanation:

okay so the formula for area of a trapezoid is

1/2 (b1 + b2) h

so base one of 15 plus two of 10 os 25 ft

25 feet divided by 2 is 12.5 so 12.5 × 12 is 150

7 0
3 years ago
Read 2 more answers
What expressions has a value equal to 28 divided by 4
nordsb [41]

Answer:

28/4=28/7

Step-by-step explanation:

when you divide 28 by 4 you get seven so if you use 7 instead of 4 to divide it's an equal value.

Sorry if it's incorrect, there wasn't a whole lot to go by! Good luck tho! :D

4 0
3 years ago
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