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2 years ago

Does anyone know this????????

Mathematics

1 answer:

dusya [7]2 years ago

8 0

Answer:

______

4 | 12

-12

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Step-by-step explanation:

12/4

The top number always goes inside (larger or not), and the bottom number always goes on the outside (larger or not).

______

4 | 12

Ask yourself how many 4's are in 12.

Let's see one 4 is just 4.

We can probably do more 4's than that.

Two 4's gives us 4+4=8.

Let's see if we can put one 4 in there.

Three 4's gives us 4+4+4=12.

So we can fit three 4's into 12 and there is nothing left over.

______

4 | 12

-12 (since 4 times 3 or 4+4+4 is 12)

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5 - 2 (a + 3b) / 2 = ? / ?

Semmy [17]

Answer:

(5-2a+6b)/2

Step-by-step explanation:

According to PEMDAS, we would multiply 2 by (a+3b) first. This would equal 2a+6b. Since this is being subtracted from 5, the numerator would equal 5-2a+6b. This would bring the simplified answer to (5-2a+6b)/2

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3 years ago

What is the 7-intercept of 2x-4y=12

Bingel [31]

Answer:

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Step-by-step explanation:

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3 years ago

Read 2 more answers

The perimeter of a square garden is (20k+36) feet. Write an expression

sertanlavr [38]

Answer:

5k+9

Step-by-step explanation:

Since it's a square, all four sides are equal so divide the equation of the total by 4.

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36/4=9

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2 years ago

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

$(\sec f(x))'=\sec f(x)\tan f(x)\,f'(x)=1$
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Now, when $x=\sqrt2$ , you get

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

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3 years ago