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3 years ago

What is the value of x PLEASE HELP

Mathematics

1 answer:

Sindrei [870]3 years ago

5 0

Answer: X= 30

Step-by-step explanation: So I must admit that is a really weird place to put that line, but if this is a complementary angle and the first angle is 30 degrees, then the other angle should be 60 degrees. 60/2 is 30, so therefore x=30

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Write: 3^-4 in standard form

pav-90 [236]

Answer:

$\frac{1}{81}$

Step-by-step explanation:

Key skills: Exponents + Fractions

Use the negative exponent property. If your number is x^-y then it would be the same as 1/x^y

3^-4 is the same as $\frac{1}{3^{4}}$

3^4 is 81, so your answer would be 1/81.

Hope you have a nice day and understood this!

4 0

2 years ago

May runs 10/4 miles everyday after school. Beth says she runs further because she runs 5/2 miles everyday after school. Is her s

Andrew [12]

Answer:

Her statement is not correct.

Step-by-step explanation:

It is not correct because if you simplify 10/4 it comes out to 5/2 therefore 5/2=5/2.

Beth and May run the same amount.

4 0

3 years ago

Simplify 7x+42/x^2+13x+42

ehidna [41]

42x^2 + 20x + 42

Hope this helps

6 0

3 years ago

Read 2 more answers

Take a moment to think about what tan(θ) represents.1. Use interval notation to represent the values of θ (between 0 and 2π) whe

Nonamiya [84]

Let's first get the representation of tan

We also need to understand how to convert radians to degrees

$\begin{gathered} \frac{\pi}{2}=90^0 \\ \pi=180^0 \\ \frac{3\pi}{2}=270^0 \\ 2\pi=360^0 \end{gathered}$

For question 1

since tan > 1

It must be in either first quadrant or third quadrant as shown in the diagram above

$\begin{gathered} \text{ } \\ \frac{\pi}{4}$

5 0

1 year ago

EXTRA POINTS will mark BRAINLIEST! I only need 10, 11 , 16, 18 &19

LuckyWell [14K]

Answer:

10, 11 , 16, 18 &19

Step-by-step explanation:

$\geq \neq \int\limits^a_b {x} \, dx \left[\begin{array}{ccc}1&2&3\\4&5&6\\7&8&9\end{array}\right]$

6 0

3 years ago