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3 years ago

12 y − 18 6 = 4 y + 3 12 y - 18 6 = 4 y + 3

Mathematics

1 answer:

Burka [1]3 years ago

3 0

Step-by-step explanation:

I didn't understood thr question and I'm pretty sure that u made a mistake while writing it

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N. Solve the expression. Use PEMDAS [2.1+(9.2 x 3.3)] x 0.8= -

densk [106]

Answer:

25.968

Step-by-step explanation:

The Google calculator will reliably use PEMDAS to evaluate an expression.

= (2.1 +30.36)×0.8

= 32.46×0.8

= 25.968

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If entering this expression into your calculator gives a different result, get a better calculator.

6 0

2 years ago

Prove : sin²θ + cos²θ = 1 thankyou ~

Gnom [1K]

Answer:

See below

Step-by-step explanation:

Here we need to prove that ,

$\sf\longrightarrow sin^2\theta + cos^2\theta = 1$

Imagine a right angled triangle with one of its acute angle as $\theta$ .

The side opposite to this angle will be perpendicular .
Also we know that ,

$\sf\longrightarrow sin\theta =\dfrac{p}{h} \\$

$\sf\longrightarrow cos\theta =\dfrac{b}{h}$

And by Pythagoras theorem ,

$\sf\longrightarrow h^2 = p^2+b^2 \dots (i)$

Where the symbols have their usual meaning.

Now , taking LHS ,

$\sf\longrightarrow sin^2\theta +cos^2\theta$

Substituting the respective values,

$\sf\longrightarrow \bigg(\dfrac{p}{h}\bigg)^2+\bigg(\dfrac{b}{h}\bigg)^2\\$

$\sf\longrightarrow \dfrac{p^2}{h^2}+\dfrac{b^2}{h^2}\\$

$\sf\longrightarrow \dfrac{p^2+b^2}{h^2}$

From equation (i) ,

$\sf\longrightarrow\cancel{ \dfrac{h^2}{h^2}}\\$

$\sf\longrightarrow \bf 1 = RHS$

Since LHS = RHS ,

Hence Proved !

I hope this helps.

5 0

2 years ago

What is 1.939 x 10^5 in standard form?

VARVARA [1.3K]

Answer:

193900

Step-by-step explanation:

thx for points

8 0

3 years ago

The science club is selling puzzles to raise money. The supplier charges a one-time fee of $55 for each order and $10 for each p

wariber [46]

I believe you can do 1,245 divided by 65 to find out how many puzzles they can buy I may be wrong :/

7 0

3 years ago

Draw a graph of y=1/x

Luda [366]

Answer:

Step-by-step explanation:

Note that this function is not defined at x = 0; it does have a vertical asymptote which is the line x = 0, as well as a horiz. asymptote which is the line y = 0. This function is odd because the power of x is -1 (a negative odd number). Half the graph appears in Quadrant I: (1, 1), (2, 1/2), (3, 1/3), etc.

The other half is the reflection of the Quadrant I part in the origin, and this is because the function is odd.

8 0

3 years ago

Read 2 more answers