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borishaifa [10]
3 years ago
9

The diagram shows a triangle.

Mathematics
1 answer:
igor_vitrenko [27]3 years ago
3 0
Area = 1/2 bh
= 1/2 x 12 x 5
= 6 x 5
= 30 cm ^2
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A repeated-measures study uses a total of n = 10 participants to compare two treatment conditions. How many scores are measured
Alina [70]

Answer:

20 measured and 10 used

Step-by-step explanation:

Total number of participants is given as n = 10.

Number of treatment conditions = 2

Total measurements is therefore 2 × 10 = 20

Therefore, in total, 20 scores will be measured in the given study.

Now there are two samples and for each sample, for each sample we need to calculate the mean = Sum of value(measures)/Number of measures

                     mean = Sum of value(measures)/10

Therefore,  we are going to have 20 measured and 10 used to calculate the sample mean and the sample variance.

6 0
3 years ago
What is the product of 7x-4 and 8x+5?​
konstantin123 [22]

Answer:

15x+1

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7 0
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This exercise involves the formula for the area of a circular sector. Find the area of a sector with central angle 4π/6 rad in a
andre [41]

Step-by-step explanation:

Below is an attachment containing the solution.

8 0
3 years ago
As a fraction in simplest terms, what would you multiply the first number by to get the second? First number: 62 Second number:
polet [3.4K]

We will multiply by 26 / 31 in the first number to get second number for fraction in simplest form.

What is mean by Fraction?

A fraction is a part of whole number, and a way to split up a number into equal parts.

Given that;

In the fraction,

The first number = 62

The second number = 52

Let the number which can be multiply by the fraction = x

Since, The given condition is,

Multiply the first number by to get the second number.

So, We can formulate;

⇒ 62 × x = 52

Solve for x, as;

⇒ 62 × x = 52

⇒ 62x = 52

Divide by 62, we get;

⇒ x = 52 / 62

Multiply and divide by 2;

⇒ x = 26 / 31

Therefore,

We will multiply by the number 26 / 31 in the first number to get second number for fraction in simplest form.

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5 0
2 years ago
Help pleaseeeeeeeeeee
Verdich [7]

Answer:

D) Rotation of 180 degrees about its center.

Step-by-step explanation:

because when you turn that shape in 180 degres is going to be in the same coordinates.

4 0
3 years ago
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