2 years ago

In which of the following expressions does the number 24 fill in the blank so that the equation is true? Select all that apply.

Mathematics

1 answer:

slava [35]2 years ago

4 0

blahblahblahblahblahblahblah

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2 years ago

Find an equation in standard form for the ellipse that satisfies the given conditions. Major axis length 10 on y-axis minor axis

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2 years ago

Show that if u+v and u-v are orthognal, then the vectors u and v must have the same length.

pashok25 [27]

Answer with Step-by-step explanation:

We are given that

u+ v and u-v are orthogonal

We have to prove that u and v must have the same length.

When two vector a and b are orthogonal then

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By using the property

$(u+v)\cdot (u-v)=0$

We know that

$(a+b)\cdot (a-b)=\mid a\mid^2-\mid b\mid^2$

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$\mid u\mid^2=\mid v\mid^2$

Magnitude is always positive

When power of base on both sides are equal then base will be equal

Therefore,

$\mid u\mid=\mid v\mid$

Hence, the length of vectors u and v must have the same length.

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3 years ago

Box A is 12 inches by 18 inches by 24 inches. Box B is 12 inches by 12 inches by 30 inches. In cubic inches, how much greater is

Burka [1]

Answer:

Box A's volume is bigger by 864 cubic inches

Step-by-step explanation:

12 × 18 × 24 = 5184

12 × 12 × 30 = 4320

Then we subtract. 5184 - 4320 = 864

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2 years ago

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Answer:f ( x - 1 ) = 3x² - 5x - 7

Step-by-step explanation:

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