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marysya [2.9K]
3 years ago
11

Please help! I need to get these questions done, you don't have to answer all of them

Mathematics
1 answer:
melomori [17]3 years ago
8 0

Answer:

2/60 I think

Step-by-step explanation:


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Draw a rectangle to show that: 6(3+a) = 18 + 6a
VARVARA [1.3K]
____________________

6(3+a)=18+6a


____________________
6 0
3 years ago
Help me plsssssssssssssssssssssssssss
Margarita [4]

number 7 is as follows Answer: C18.9

Step-by-step explanation:

The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. so  (5.65x2)+(3.8x2)=18.9 cm

5 0
3 years ago
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Please don't troll.. I am in desperate need of help, I will give brainliest.
nalin [4]

Answer:

A)

Step-by-step explanation:

-6x - 9/2

8 0
3 years ago
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The faces on a number cube are labled 1,2,2,3,4, and 5the number cube is rolled 114 times how many times would you expect the nu
Mrac [35]

Given:

The faces on a number cube are labeled 1,2,2,3,4, and 5.

The number cube is rolled 114 times.

To find:

How many times would you expect the number 2 to appear?

Solution:

We have,

Total outcomes = 1,2,2,3,4, and 5.

Number of total outcomes = 6

Favorable outcomes = 2 and 2

Number of favorable outcomes = 2

The probability of getting 2 is:

P(2)=\dfrac{\text{Number of favorable outcomes}}{\text{Number of total outcomes}}

P(2)=\dfrac{2}{6}

P(2)=\dfrac{1}{3}

Now, the expected number of times when 2 to appear is:

E(x)=114\times P(2)

E(x)=114\times \dfrac{1}{3}

E(x)=38

Therefore, the expected number of times is 38.

4 0
2 years ago
Anyone know this I need help
horrorfan [7]

Answer:

option D

Step-by-step explanation:

we have a right triangle

we know

c^2=a^2+b^2

c=hypotenuse

c=52 cm

a=48 cm

b= 20 cm

we  substitute in the equation c^2=a^a+b^2

so we have

52^2=48^2+20^2

52= sqrt(48^2+20^2)

52= sqrt(2304+400)

52= sqrt(2704)

52cm=52cm

so c=52 cm

so the option D is the correct answer

7 0
3 years ago
Read 2 more answers
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