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Dafna11 [192]
3 years ago
6

What is the area of the trapezoid? 3 cm 9 cm 10 cm 9 cm square centimeters​

Mathematics
1 answer:
11111nata11111 [884]3 years ago
6 0

Answer:

the correct answer is 31

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The weight of two bags is 24/15kg . If the weight of one bag is 10/15. What will be the weight of other bag?
lys-0071 [83]
Weight of other bag would be 14/15 kg
5 0
3 years ago
In the equation y = 4 x, if the value of x is increased by 2, what is the effect on the value of y ?
oksian1 [2.3K]
y=4(x+2)\\
y=4x+8

The value of y will increase by 8.
6 0
2 years ago
Read 2 more answers
An urn contains a very large number of marbles of four different colors: red, orange, yellow, and green. A sample of 12 marbles d
Umnica [9.8K]

Answer:

We  can reject the hypothesis at the 0.05 significance level.

 

Step-by-step explanation:

given that an urn contains  a very large number of marbles of four different colors: red, orange, yellow, and green. A sample of 12 marbles drawn at random from the urn revealed 2 red, 5 orange, 4 yellow, and 1 green marble.

H0: All colours are equally likely

Ha: atleast two colours are not equally likely

(Two tailed chi square test at 5% significance level)

color                  Red           Orange      Yellow      Green         total

Observed  O         2                     5                  4           1              12    

Expected   E         3                     3                   3          3              12

(O-E)^2/E             0.3333            5.3333        0.3333  5.3333     11.3333

chi square = 11.3333

df =3

p value = 0.010055

Since p < 0.05 we reject H0

We  can reject the hypothesis at the 0.05 significance level.

 

3 0
2 years ago
5/6 - 1/2 = ?<br><br>A. 1/4<br><br>B. 1/3<br><br>C. 3/4<br><br>D. 2/3<br>​
zheka24 [161]
5. . 1
---- - -----
6. . 2


5. . 3
----- - -----
6. . 6


5-3
-------
6

2
-----
6


= 1/3

B
3 0
2 years ago
Oliver has a piece of chocolate what is the volume of the piece of chocolate <br>​
OLga [1]

Answer:

The answer would be 60 cubic centimeters.

Step-by-step explanation:

4 0
2 years ago
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