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zubka84 [21]
3 years ago
11

How would you answer this?

Mathematics
1 answer:
horsena [70]3 years ago
4 0

Answer:

d

Step-by-step explanation:

the range and middle range

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In triangle XYZ, m∠Z > m∠X + m∠Y. Which must be true about △XYZ?
MissTica
It must be an obtuse triangle

4 0
3 years ago
What is the value of a in the equation 3+b=54 when b = 9
Fed [463]

Answer:

3a + b = 54

3a + 9 = 54

3a = 54 - 9

3a = 45

3a / 3 = 45 / 3

a = 15

5 0
3 years ago
PLEASE HELP LOTS OF POINTS!!!!!!!! TWO QUESTIONS!!!!!!!!!
zubka84 [21]

Answer: Number one would be 3x+2y+-14 and x+y=-4, second one is x=-3, y=7

Step-by-step explanation:

The first one is solved by inputting the x and y in each one and finding which one comes out true, the second on is solved by substitution. to find x you would subtract x in the first equation and make it y=4-x then input that equation in the y in the second equation.

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3 years ago
Which operation should you perform last in the expression 12 × 4^2?
drek231 [11]

Answer:

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Step-by-step explanation:

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3 0
2 years ago
One kind of bacteria in a laboratory culture triples every 30 minutes. Suppose the culture is started with 20 bacteria cells. Ho
IgorC [24]

Answer:

2 hours = 4 * 30 minutes

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90 * 3 = 270

270 * 3 = 810

810 * 3 = 2430

So after 2 hours you will have 2430 bacteria cells.

Step-by-step explanation:

3 0
3 years ago
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