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Norma-Jean [14]
2 years ago
14

The ratio of boys to girls in a class is 4:2. There are 30 students in class. How many girls and boys are there?

Mathematics
1 answer:
koban [17]2 years ago
3 0

Answer:

20 boys, 10 girls

Step-by-step explanation:

4 + 2 = 6

4:6 ⋅ 5:5 = 20:30

2:6 ⋅ 5:5 = 10:30

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Complete the conversion. Enter your answer in the box.<br> 8 pt = __ c
Shtirlitz [24]

Answer:

16 cups

Step-by-step explanation:

there are 2 cups in a pint

8x 2= 16

7 0
3 years ago
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−7(−2x+6)<br><br><br> Select one:<br><br> −9x−42<br><br> 14x+6<br><br> 14x−42<br><br> −14x−42
saveliy_v [14]

Answer:

14x-2 is answer

Step-by-step explanation:

may be this is helpful!

5 0
3 years ago
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1.Find the dot product of the two given vectors, u=(1,6) and v=(-5,-2) 2. Find the dot product of v=-7i+4j and w=-6i+5j
Svet_ta [14]
The dot product of the two vectors will be given as follows:
v*w=(-7i+4j)*(-6i+5j)
=(-7*(-6))i+(4*5)j
=-42i+20j

Hence the answer is:
v*w=(-42i+20j)
8 0
3 years ago
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How can factors help you find a common denominater? <br>PLEASE HELP!!!!!!!!!
Gekata [30.6K]
They can help you find a common denominator by the bottoms of each fraction if the top ones don't have the same denominator.
8 0
3 years ago
Solve for
Lubov Fominskaja [6]

Answer:

x = 3/2

Step-by-step explanation:

2(x + 5) = 6x + 4

Open bracket first

2 × x + 2×5 = 6x + 4

2x + 10 = 6x + 4

Rewrite equation

6x + 4 = 2x + 10

Subtract 2x from both sides

6x - 2x + 4 = 2x - 2x + 10

4x + 4 = 10

Subtract 4 from both sides

4x + 4 - 4 = 10 - 4

4x = 6

Divide both sides by 4

4x/4 = 6/4

x = 6/4

Divide both denominator and numerator by 2

x = (6/4) ÷ 2

x = 3/2

I hope this was helpful, please rate as brainliest  

7 0
3 years ago
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