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DiKsa [7]
2 years ago
13

Can someone help me with this equation

Mathematics
1 answer:
vladimir1956 [14]2 years ago
7 0
Question mark =1













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How do you know if the question is asking for you to do Pythagoras or Trigonometry? Like in basic terms, what’s the difference??
mrs_skeptik [129]

Pythagoras theorem only works for right triangle (90 degree)

Trigonometry (sin, cos, tan) works everywhere!

Hopefully I answered your question!

If you want to learn more about Trigonometry or Pythagoras theorem, send me a message and add me as friend on Brainly. I'm a mathematician and an astrophysicist

:) have a great day!

7 0
3 years ago
**HELP!!!!** ILL GIVE BRAINLIEST
Step2247 [10]

The value of n such that the number n and -3/4 are additive inverses is 3/4

<h3>How to determine the value of n?</h3>

The statement is given as:

The number n and -3/4 are additive inverses

The above statement means that

n = -1 * -3/4 --- by the definition of additive inverses

Next, we evaluate the product of -1 and -3/4

n = 3/4

Hence, the value of n such that the number n and -3/4 are additive inverses is 3/4

Read more about additive inverses at

brainly.com/question/1548537

#SPJ1

8 0
1 year ago
Will give brainliest answer
ArbitrLikvidat [17]

Answer:

  • 180°

Step-by-step explanation:

Connecting any point of original figure with the same of the image

For example point C with C'

The line goes through the origin (0, 0)

<u>And the coordinates changed as:</u>

  • (x, y) → (-x, -y)

It means the rotation is 180°

4 0
3 years ago
the vertex of this parabola is at (3,5). When the y-value is 6, the x-value is -1. What is the coefficient of the squared term i
otez555 [7]
Now, assuming is a vertical parabola, so the squared variable is the "x", let's do some checking.

\bf \qquad \textit{parabola vertex form}\\\\&#10;\begin{array}{llll}&#10;\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\&#10;x=a(y-{{ k}})^2+{{ h}}&#10;\end{array} \qquad\qquad  vertex\ ({{ h}},{{ k}})\\\\&#10;-------------------------------\\\\&#10;vertex&#10;\begin{cases}&#10;h=3\\&#10;k=5&#10;\end{cases}\implies y=a(x-3)^2+5&#10;\\\\\\&#10;\textit{we also know that }&#10;\begin{cases}&#10;y=6\\&#10;x=-1&#10;\end{cases}\implies 6=a(-1-3)^2+5&#10;\\\\\\&#10;1=a(-4)^2\implies 1=16a\implies \cfrac{1}{16}=a
6 0
3 years ago
What basic math skills should I know for grade 9 math
UkoKoshka [18]
Most likely rates, percents and ratios at a higher level. Also, multiplication and division of fractions at a higher level.
4 0
2 years ago
Read 2 more answers
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