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2 years ago

What is the area of this composite figure 32 cm2 40 cm2 64 cm2 80 cm2 PLEASE HELPP

Mathematics

1 answer:

Cerrena [4.2K]2 years ago

4 0

Answer:

64 cm2 C.

Step-by-step explanation:

Hope this helps you :)

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Write and solve an equation to find the numben.

trasher [3.6K]

Answer:

Step-by-step explanation:

let number=b

twice a number=2b

Condition:

2b+13=75

2b=75-13

2b=62

b=62/2

b=31

Note:if you need to ask any question please let me know.

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2 years ago

The _____ _____, denoted modifyingabove p with caret, is given by the formula modifyingabove p with caretequals_____, where x

elena-14-01-66 [18.8K]

Answer:

Sample proportion ; phat

x / n

Step-by-step explanation:

The sample proportion may be explained as a proportional representation of part of the population or larger sample which have a certain character or exhibit a particular trait.

The sample proportion is expressed Mathematically as ;

phat = x / n

x = number of subjects with a specified characteristic ;

n = total sample size

For instance ;

The proportion of black balls in a sample of 100 balls is 15 ; the sample proportion of bla k balls will be :

phat = x / n = 15 / 100 = 0.15

5 0

2 years ago

What is the expression?

pentagon [3]

Step-by-step explanation:

Take a look at the picture, And tell me if am wrong

5 0

2 years ago

Two lines intersect to form a linear pair with equal measures. One angle had the measure 2x and the other angle had the measure

rosijanka [135]

Answer:

x = 45, y = 5

Step-by-step explanation:

It is given that two lines form a linear pair with equal measures. Therefore, the angle between the two lines will be 90. Now, according to the question,

2x + 20y - 10 =90

2x+20y = 100

x + 10y = 50

And

2x = 20y-10

x = 10y -5

x - 10 y = -5

Now, adding x + 10y = 50 and x - 10y =-5, the value of x can be found. The required value will be:

x + 10y =50

x - 10y = -5

------------------

x = 45

Therefore, the value of y after substitution of the value of x in one of the equations will be:

90 = 20y - 10

20 y = 100

y = 5

Hence, the required value of x and y are 45 and 5 respectively.

4 0

2 years ago

What is the corollary to the triangle sum theorem?

Mazyrski [523]

In the triangle sum theorem, the corollary is that the triangle can include only one 90 degree angle or one obtuse angle.

5 0

2 years ago