3 years ago

draw two different math mountains with a total of 13. explain why you can make two different math mountains

Mathematics

2 answers:

nordsb [41]3 years ago

6 0

You would make two mountains because you need to compare the two factor mountains

Salsk061 [2.6K]3 years ago

4 0

Two mountains hope this is right

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Help math question derivative!

atroni [7]

Let $f(x)=\sec^{-1}x$ . Then $\sec f(x)=x$ , and differentiating both sides with respect to $x$ gives

$(\sec f(x))'=\sec f(x)\tan f(x)\,f'(x)=1$
$f'(x)=\dfrac1{\sec f(x)\tan f(x)}$

Now, when $x=\sqrt2$ , you get

$(\sec^{-1})'(\sqrt2)=f'(\sqrt2)=\dfrac1{\sec\left(\sec^{-1}\sqrt2\right)\tan\left(\sec^{-1}\sqrt2\right)}$

You have $\sec^{-1}\sqrt2=\dfrac\pi4$ , so $\sec\left(\sec^{-1}\sqrt2\right)=\sqrt2$ and $\tan\left(\sec^{-1}\sqrt2\right)=1$ . So $(\sec^{-1})'(\sqrt2)=\dfrac1{\sqrt2\times1}=\dfrac1{\sqrt2}$

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3 years ago

(w- 4/9) (-2/3) = -4/5 Solve for w

Kaylis [27]

exact form:

w= 74/45

decimal form:

w= 1.64

mixed number:

w= 1 29/45

brainliest would be appreciated :)

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2 years ago

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How long should an escalator be if it is to make an angle 30 with the floor and

Charra [1.4K]

Answer:

it should be 23 feet long

Step-by-step explanation:

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2 years ago

Read the problem. Baker School's hockey games are 60 minutes long. Nico played for 30 minutes of the last game. What percent of

ValentinkaMS [17]

Answer:

50%

Step-by-step explanation:

I dont know how else to put it you didnt show the models though :(

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3 years ago

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Write an addition equation or a subtraction equation (your choice!) to describe the diagram.

harina [27]

Answer:

(-9) + (-2) = -11

Step-by-step explanation:

The first arrow on the number line starts from 0, moves downwards 9 units from 0.

We would write this as -9.

Also, the next arrow starts moves from -9, 2 units downwards.

We would write this as -2

The addition equation would be:

(-9) + (-2) = -11

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3 years ago