2 years ago

19. An alligator was 38 inches long last year. This year it is 10% larger. How big is

Mathematics

1 answer:

crimeas [40]2 years ago

3 0

It’s 3.8 inches I’m pretty sure

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3/4-(-7/6) Write your answer in simplest form.

allsm [11]

Answer:

$\frac{3}{4} - ( - \frac{7}{6} ) \\ = \frac{3}{4} + \frac{7}{6} \\ = \frac{23}{12} \\ = 1 \frac{11}{12}$

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2 years ago

Which equation can be used to represent the statement?

AfilCa [17]

Answer:

I would say 16=1.2n+(negative 8) because they are in the same order as it was spelled in words and not numbers that's how I know that it could be 16=1.2n+(negative 8).

Step-by-step explanation:

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2 years ago

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Write an inequality for the situation. all real numbers at most –9.5 or at least 5.5

Tomtit [17]

Hello,

If b represents any real number,

b<=-9.5
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Answer C

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3 years ago

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The sum of 7 and y<br>please answer the question fast.

vlabodo [156]

Step-by-step explanation:

7+y

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3 years ago

How many solutions does the system formed by x - y = 3 and ay + 3a = 0 have for a non zero number a? Explain and show how you ge

dlinn [17]

Solve both equations for y:
$x-y=3 \ \ \ |-x \\
-y=-x+3 \ \ \ |\times (-1) \\
y=x-3 \\ \\
ay+3a=0 \ \ \ |-3a \\
ay=-3a \ \ \ |\div a, a \not= 0 \\
y=-3$

Set the expressions equal to each other:
$y=y \\ x-3=-3 \ \ \ |+3 \\
x=0 \\ \\
(x,y)=(0,-3)$

So, for every nonzero number a the system of equations has one solution.

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2 years ago