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photoshop1234 [79]
3 years ago
15

In which direction does the parabola y=4x^(2)-36 open?

Mathematics
1 answer:
Evgesh-ka [11]3 years ago
7 0
It opens up. hope this helps


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Which is bigger 2/5 or 4/9
Jlenok [28]
The easiest way to solve this comparison without any unusual comparisons is to find a common denominator for the two fractions.

2/5 = 18/45
4/9 = 20/45

Since 20/45 is bigger than 18/45, we know that 4/9 is greater than 2/5
6 0
3 years ago
Plis help! Will give brainliest!
4vir4ik [10]

Answer: 7) Step 1 8) Step

Step-by-step explanation:

The answer to 7 is 11. The error starts in step 1, as you can see youre supposed to do 8 divided by 2 plus 3 times 3 minus 2, instead it seems like 3+3 were added instead of becoming 9 thus the answer becomes 7.

The answer to 8 is also 11. 18-14/2 is 11.

4 0
2 years ago
How do I solve it and what is the answer plz help by tomorrow morning
Rina8888 [55]

Answer:

-7, -2, 3, 11

Step-by-step explanation:

Negative numbers are "smaller" than positive numbers. Just arrange them.

5 0
3 years ago
4tan^2 x-8tanx+3=0 on interval [0,2pi]
Vadim26 [7]
\bf 4tan^2(x)+8tan(x)+3=0\qquad [0,2\pi ]
\\\\\\
\textit{since it's just a quadratic, we'll just factor it}
\\\\\\\
[2tan(x)+1][2tan(x)+3]=0\implies 
\begin{cases}
2tan(x)+1=0\\
\qquad tan(x)=-\frac{1}{2}\\
\qquad \measuredangle x=tan^{-1}\left( -\frac{1}{2} \right)\\
\qquad \measuredangle  x\approx 333.4^o, 153.4^o\\
2tan(x)+3=0\\
\qquad tan(x)=-\frac{3}{2}\\
\qquad \measuredangle x=tan^{-1}\left(-\frac{3}{2}  \right)\\
\qquad \measuredangle x\approx303.7^o, 123.7^o
\end{cases}
7 0
3 years ago
What is the measure of angle X ?<br><br> A. 147 <br> B. 33 <br> C. 100<br> D. 60
Musya8 [376]

Answer:

the answer is a. 147

Explaination:

A triangle always has a sum of 180°.

We already have the angle of two sides give.

10° and 23°

To find the last missing side, you add 10° and 23°, and minus the result from 180°.

10+23= 33

180-33 = 147

6 0
3 years ago
Read 2 more answers
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