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tester [92]
3 years ago
6

Bella has 4 packs of spikes and 8 Beetlebots. The spikes come in packs

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
6 0

Answer:

Each one should get 10 spikes.

Step-by-step explanation:

4 packs of spikes x 20 = 80 spikes

Need same number of spikes per Beetlebot

80 spikes / 8 Beetlebots

10 spikes/Beetlebot

Each one gets 10

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An angle measures 54° less than the measure of a supplementary angle. What is the measure of each angle?
Katen [24]
X+x+54=180
2x+54=180
2x=126
x=63
63+54=117
one angle is 63, the other is 117
8 0
3 years ago
Solve the equation 2cosA = 3tanA
zavuch27 [327]
\bf sin^2(\theta)+cos^2(\theta)=1\implies cos^2(\theta)=1-sin^2(\theta)
\\\\\\
tan(\theta)=\cfrac{sin(\theta)}{cos(\theta)}\\\\
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2cos(A)=3tan(A)\implies 2cos(A)=3\cfrac{sin(A)}{cos(A)}
\\\\\\
2cos^2(A)=3sin(A)\implies 2[1-sin^2(A)]=3sin(A)
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2-2sin^2(A)=3sin(A)\implies 2sin^2(A)+3sin(A)-2

\bf \\\\\\
0=[2sin(A)-1][sin(A)+2]\implies 
\begin{cases}
0=2sin(A)-1\\
1=2sin(A)\\
\frac{1}{2}=sin(A)\\\\
sin^{-1}\left( \frac{1}{2} \right)=\measuredangle A\\\\
\frac{\pi }{6},\frac{5\pi }{6}\\
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0=sin(A)+2\\
-2=sin(A)
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now, as far as the second case....well, sine of anything is within the range of -1 or 1, so -1 < sin(A) < 1

now, we have -2 = sin(A), which simply is out of range for a valid sine, so there's no angle with such sine

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8 0
2 years ago
Which is the best estimate of<br>90/7 divided by 1 3/4​
Studentka2010 [4]

Answer:

1 3/4=7/4 since 1*4+3=7, so (90/7)/(7/4)=(90/7)(4/7)=360/49, mixed number form is 7 17/49 and in decimal form is 7.35.

Step-by-step explanation:

6 0
3 years ago
What is six times six take away for plus nine<br><br><br>​
vladimir2022 [97]

Hello, thanks for using Brainly!

We are solving 6x6-4+9.

We will do three steps in this case.

First is 6x6, 6x6 is 30.

So now we must keep in our head we have 30 as our first number.

Now, let's -4 from 30. 30-4 is 26.

We just did step 2. Boom!

So, we have 26 as our second number. Let's do our third step.

If we have 26, we need to add 9 to that. To quickly find that we know that 26+10 is 36. That is adding ten, we need 9 so minus 1 from 36 we get 35.

Our final answer is 35.

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3 years ago
Which algebraic expression represents the statement below?
Norma-Jean [14]
The answer is 2, hope this helps !
6 0
2 years ago
Read 2 more answers
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