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True [87]
2 years ago
7

Help help help help

Mathematics
1 answer:
deff fn [24]2 years ago
4 0

Answer:

b = 12

Step-by-step explanation:

b/3 + 4 = 8

subtract 4 on both sides

b/3 = 4

multiply 3 with 4

b = 12

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there are 11 apples in a basket 7 of these apples are green the rest of them are red what is the ratio of all apples in the bask
Lubov Fominskaja [6]
The ratio is 4:7 because since the ratio is red apples to green apples theirs 4 red apples and theirs 7 green 
6 0
3 years ago
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Select the lengths in centimeters that would form a right triangle
Ivenika [448]

Answer:

9, 40 and 41

Step-by-step explanation:

All right triangle have lengths that follow the Pythagorean Theorem (a²+b² = c²).  Right triangles have one angle equal to 90°.  The two shorter sides form the right angle and the side opposite the right angle is called the hypotenuse.  

Using the lengths given, we can use guess and check to see what sum of two sides squared would equal a third side, or just plug them into the equation: a²+b² = c² and see what lengths fit this equation.  

I recommend starting with squares you are familiar with:

9² + 40²= 81 + 1600 = 1681

Now, take the √1681 to find the length of 'c', or the hypotenuse:

√1681  = 41

Since these three lengths fit the Pythagorean Theoreom, the would form a right triangle.

4 0
3 years ago
Is 2x+10 = -2(x-5) equals
faust18 [17]
First distribute -2 to both x and -5

-2(x) = -2x
-2(-5) = 10

2x + 10 = -2x + 10

False. 2x + 10 ≠ -2x + 10

False is your answer

hope this helps
3 0
3 years ago
Read 2 more answers
What is X<br><img src="https://tex.z-dn.net/?f=%20-%203x%20%2B%2012%20%3D%2021" id="TexFormula1" title=" - 3x + 12 = 21" alt=" -
Paraphin [41]
You would move all terms that don’t contain x to the right side and solve. Answer : x= -3
8 0
3 years ago
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I need help on number 36
Ahat [919]
What do you need help with? it helps us to know the question!
8 0
3 years ago
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