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ludmilkaskok [199]
3 years ago
8

Can i plz have help on this q.i need the answer quickly as I am being timed

Mathematics
1 answer:
slega [8]3 years ago
5 0

Answer:

Step-by-step explanation:

For the triangle its base is 2 if u add the corners together u get one whole square. so b*h/2

2*4/2=4

And the square is b*h=2*2=4Thts how u show they are the same

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Using the greatest common factor 4/9 x 3/8
KIM [24]

Answer:

1/6

Step-by-step explanation:

4/9&3/8

4/9x3/8= ?

Multiply both numerators

= 4 x 3

= 12

Multiply both denominators

= 9 x 8

= 72

Use above values of step 2 & 3, and rewrite as below

= 12/72

so, 12/72 is equivalent to the fraction for 4/9 times of 3/8, and its simplified form is 1/6.

4 0
4 years ago
How many of each shot does he make in 1 minute using this data..
Inga [223]

27 field goals and 8 free throws because

27•2=54+8=62

27+8=35

8 0
3 years ago
A machine produces metal pieces that are cylindrical in shape. A sample of pieces is taken, and the diameters are found to be 1.
Ghella [55]

Answer:

99% confidence interval: (0.97816,1.03184)          

Step-by-step explanation:

We are given the following data set:

1.01, 0.97, 1.03, 1.04, 0.99, 0.98, 0.99, 1.01, 1.03

Formula:

\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}  

where x_i are data points, \bar{x} is the mean and n is the number of observations.  

Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}

Mean =\displaystyle\frac{9.05}{9} = 1.005

Sum of squares of differences = 0.00001975308642 + 0.001264197531 + 0.000597530864 + 0.001186419753 + 0.0002419753088, + 0.00065308642 + 0.0002419753088 + 0.00001975308642 + 0.000597530864 = 0.0048

S.D = \sqrt{\frac{0.0048}{8}} = 0.024

Confidence interval:

\bar{x} \pm t_{critical}\frac{s}{\sqrt{n}}

Putting the values, we get,

t_{critical}\text{ at degree of freedom 8}~\alpha_{0.01} = \pm 3.355

1.005 \pm 3.355(\frac{0.024}{\sqrt{9}} ) = 1.005 \pm 0.02684 = (0.97816,1.03184)

6 0
3 years ago
You are doing a research project for class and will be analyzing data to create a presentation for your peers.
Flauer [41]

Answer:

You have to write this based on yourself. Just answer each question one by one and then you can compare a whole paragraph.

So for each question you have to choose what you believe you are.

Which social class do you belong to; lower, middle, or upper class?

Why? This could be because you're well off or because you don't have that much money, it depends on which class you believe you are.

Who are your peers? Peers refers to people within the same age bracket as you.

In your everyday choices, whom do you tend to take as a reference point? This is basically asking who influences you, for example your mother or your brother, who do you use as your guidance for how you act. The remaining questions are just asking to specify who, your peers or family members, it's just an addition to the main question.

Step-by-step explanation:

Hope this helps:)

5 0
3 years ago
kelsey purchases a coupon book with discounts for her favorite coffee shop: every coupon for the coffee shop offers the same dis
Aliun [14]

9514 1404 393

Answer:

  b.  slope: 2; y-intercept: -20

Step-by-step explanation:

The y-intercept is the first point in the table, where x=0. That eliminates choices A and D.

The slope is the difference in y divided by the difference in x. Using the first and second points in the table, this is ...

  (-10 -(-20))/(5 -0) = 10/5 = 2

The slope is 2; the y-intercept is -20.

3 0
3 years ago
Read 2 more answers
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