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Elodia [21]
3 years ago
10

Yes or no ? Please help quick

Mathematics
2 answers:
Karolina [17]3 years ago
7 0

Answer:

No because multiples of 11 are 11,22,33,44,55 etc and multiples of 66 are 66,132,198,264,330 etc

Gemiola [76]3 years ago
3 0

Answer:

yes

Step-by-step explanation:

multiples of 11: 11,22,33,44,55,66,...

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Can you help me with this question? :)
Allisa [31]

Answer:

Step-by-step explanation:

2x^2+5x-4=0

x = [-5 ± √(5^2-4(2)(-4))]/[2(2)]

= [-5 ± √57]/4

= -1.25+0.25√57, -1.25-0.25√57

8 0
3 years ago
Write down the first even multiple of 7.
user100 [1]

Answer:

3.5

Step-by-step explanation:

5 0
3 years ago
A painter painted about a half a room in a half day. Coley estimated the painter would paint 7 rooms in 7 days. Cole's estimate
DIA [1.3K]
Hello Trickstwin,

How are you doing? Referring to your question, of course, we see that the painter paints half a room in half a day. We want to find the base of this operation. So, we have to figure out how many rooms he paints in one full day. If he paint half a room in half a day, he then must paint a room in one whole day. So we know the following:
\left \{ {{Rooms Painted=1} \atop {Days Taken=1}} \right.

Which leads on. We multiply that one day by seven, and funny enough:

1 x 7 = 7 which means his guess is reasonable. Do you get what I am saying? If so, your answer is True, have a great day!

Thank you,
Darian D. 
3 0
3 years ago
Read 2 more answers
Find the reference angle given: t= -5π/3.
Elina [12.6K]

Answer:

The reference angle is \frac{\pi}{3}

Step-by-step explanation:

The given angle is t=-\frac{5\pi}{3}

The reference angle is the acute angle, that a given angle  makes with the x-axis.

First let us make a sketch of the given angle. <em>See diagram in attachment.</em>

Let \theta be the reference angle of  t=-\frac{5\pi}{3}


Then, from the diagram, we need to subtract \theta from -\frac{5\pi}{3} to get to -2\pi.


We can therefore write the following equation and solve for \theta.


\Rightarrow -\frac{5\pi}{3}-\theta=-2\pi


We group like terms to get,

\Rightarrow -\theta=-2\pi +\frac{5\pi}{3}

We collect LCM to get,

\Rightarrow -\theta=\frac{-6\pi+5\pi}{3}

We simplify to get,

\Rightarrow -\theta=-\frac{\pi}{3}

We divide through by -1

\theta=\frac{\pi}{3} to get,

The correct answer is D.







4 0
3 years ago
Simplify the expression. <br><br> Did I do this right ??
STatiana [176]
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2 years ago
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