3 years ago

What's the LCM OF 90 show your work

Mathematics

1 answer:

Alekssandra [29.7K]3 years ago

7 0

You cannot find an lcm of 90 without another number

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I feel so stupid, but I need helping figuring out this problem. I can’t remember how to do it. Can someone help me please

AleksandrR [38]

The answer is C.
90/105=6/7
Hope this helps!

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3 years ago

Construct equilateral triangle with sides, ABC such that AB = AC = CB = 10.5 cm. Measure and write down the size of angle < A

tester [92]

Answer:

∠ABC = 60°

Step-by-step explanation:

All angles in equilateral triangles are equal.

all angles in triangles added together = 180°

180°/3 = 60°

All angles in equilateral triangles are equal to 60°.

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What is the amount of sales tax owned on a $6 book if the tax rate is 5%?

hodyreva [135]

6/100 = 0.06
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$0.30

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3 years ago

The vertex of the parabola below is at the point (-4,-2) wich of the equations below could be the one for this parabola

MrRissso [65]

The parabola with with a vertex at (-4,-2) represents any member of parabolas with the equation $y(x)=a(x+4)^2-2$ where $a$ is any real number with the exception that $a\neq 0$ .

The reason any equation of the form $y(x)=a(x+4)^2-2$ works is that there are an infinite number of parabolas with a vertex at (-4,-2). All of these parabolas are formed by applying some transformation that involves a vertical translation of -2 and a horizontal translation of -4 on the parabola $y=x^2$ . The different variations are archived by varying the constant $a$ . When $a$ is negative, the parabolas will face downwards. When $a$ is negative, the parabolas will be face downwards.

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The difference between the water levels for high and low tide was 3.6 feet. The low is .2 foot. Write an equation to find the wa

serg [7]

.2+3.6=3.8 because all you do is add the .2 feet with 3.6 feet

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3 years ago

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