2 years ago

-3Ixl + 2x - 1, if x = -5 I don't get these types of problems :/

Mathematics

1 answer:

navik [9.2K]2 years ago

5 0

Me either jiji jajaja jajaja jauja ink jajajja jaujas di Ian’s a

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The additive invers of the numer <br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B3%7D%7B7%7D%20" id="TexFormula1" title=" \fr

GuDViN [60]

Answer:

$-\frac{3}{7}$

Step-by-step explanation:

The additive inverse of a number (its "opposite") is what you add to the given number to get a sum of zero.

$\frac{3}{7} + (-\frac{3}{7}) =0$

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3 years ago

The circle below is centered at the origin and has a radius of 5. What is its

nasty-shy [4]

Answer:

Option B is the correct answer

Step-by-step explanation:

B. x2 + y2 = 25

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3 years ago

Scott has 10 1/2 yd of fabric to make banners for the community fair. He needs 1 3/4 yd for each banner.

Free_Kalibri [48]

(10 1/2) / (1 3/4) =
10.50 / 1.75 =
6 <== he can make 6 banners

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3 years ago

A seagull flying in the air over water drops a crab from a height of 45 feet.The distance the crab is from the water as it falls

jonny [76]

For the seagull to catch the crab, h(t)=g(t) so:

-16t^2+45=-13t+23 add 16t^2 to both sides

45=16t^2-13t+23 subtract 45 from both sides

16t^2-13t-22=0 using the quadratic equation:

t=(13±√1577)/32, since t>0

t=(13+√1577)/32 seconds

t≈1.65 seconds (to nearest hundredth of a second)

And the height that this occurs using either original equation is:

h((13+√1577)/32)≈1.59 ft (to nearest hundredth of a foot)

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3 years ago

Explain why the expression 2y-y can be written as y

harina [27]

Answer:

2y is just 2 times y, so subtracted it would be 1y and 1y is just y.

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3 years ago

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