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Vinvika [58]
3 years ago
14

How do go math lesson 2.5 3rd grade?

Mathematics
2 answers:
ryzh [129]3 years ago
7 0

Is this a question of where it is in a book?

Or of a math problem?

schepotkina [342]3 years ago
5 0
Send a picture of it ok then i answer
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Please help!!!!!!!!!!
Lena [83]

Answer:

30 ways

Step-by-step explanation:

10 x 3 = 30

7 0
2 years ago
The value of x for which the expressions 3x – 4 and 2x + 1 become
kozerog [31]

Answer:

x=5

Step-by-step explanation:

To determine for which value of x a pair of expressions will be equal, we will need to set them equal to each other and then solve for x.

3x-4=2x+1

First, we can add 4 to each side

3x=2x+5

Now we can subtract 2x from each side

x=5

Now, just to check our answer, we can plug in our answer back into the original equation to see whether we get the same result for each side

3(5)-4=2(5)+1\\\\15-4=10+1\\\\11=11

4 0
3 years ago
Read 2 more answers
Two sections of a class took the same quiz. Section A had 15 students who had a mean score of 80, and section B had 20 students
faltersainse [42]
B, because when you add 90+80 you get 170 and 170/2 = 85
8 0
3 years ago
Read 2 more answers
A number divided by four is at most 6. Which choice is correct??
andre [41]
C because that sign means lesser than or equal to 6
3 0
3 years ago
Determine whether the given measures can be the lengths of the sides of a triangle. write yes or no. explain. 9.2, 14.5, 17.1
Sergio039 [100]
If the triangle has a angle of 90°, you can solved this exercise by applying the Pythagorean Theorem, which is:

 h²=a²+b²
 h=√(a²+b²)

 h: It is the hypotenuse (The opposite side of the right angle and the longest side of the triangle).

 a and b: They are the legs (The sides that form the right angle).

 The result of h=√(a²+b²), should be 17.1 (The longest side given in the problem). So, let's substitute the values of the legs into the Pythagorean equation:

 h=√(a²+b²)
 h=√((9.2)²+(14.5)²)
 h=17.1

 Therefore, the answer is:

 Yes, the given measures can be the lengths of the sides of a triangle.
3 0
3 years ago
Read 2 more answers
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