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zloy xaker [14]
2 years ago
8

Which of the following is a proportion?

Mathematics
1 answer:
Anestetic [448]2 years ago
6 0

Answer:

the first one

Step-by-step explanation:

because 4/6=2/3

2/3=6/9

so 4/6=6/9

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Jacob throws an acorn into the air. It lands in front of him. The acorn's path is
agasfer [191]

Answer:

below

Step-by-step explanation:

-3x² + 6x + 6 = 0

x = (-b±√(b²-4ac))/2a

x = (-6±√(36 - 4(-3)(6)))/2(-3)

x = (-6±√108)/-6

x = 1 ± √3

The negative solution is not reasonable for he threw it forwards

4 0
2 years ago
Which expression is a factor of <br><br> 9x +12 xy + 4y??
valina [46]

Answer:

3x³ + 2y

Step-by-step explanation:

We use sum of squares to factor out the expression:

(3x³ + 2y)²

In that case, we look for the answer choice with 3x³ + 2y as a factor. We should get the 3rd Choice as our answer.

4 0
3 years ago
Read 2 more answers
The formula B=10log(i/i0) is used to find the sound level, , in decibels (dB), of a sound with an intensity of I. In the formula
Arturiano [62]

Answer:

The Answer is 10 watts/meter^2.

Step-by-step explanation:

Substitute 130 for B.

Substitute 10^-12 for i0.

I am not going to write absolutly everything because I would be here for days lol

5 0
3 years ago
7 less than -2 times a number x is greater than or equal to 41.
Snowcat [4.5K]
1. It is 7 - -2 x ( Variable ) > 41
                                              -
( When a line is under the > sign, that means that it is either greater or the same )

2. I'm confused on it tbh.

3. 7 - -2 x ( any number higher than 4 )  > 41 
                                                                -
8 0
3 years ago
£120 in the ratio 8:7
cricket20 [7]

Answer:

Step-by-step explanation:

first ratio=8/15   ×120=64

second ratio=7/15 ×120=56

4 0
3 years ago
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