2 years ago

Yeah just yeah i need help-

Mathematics

2 answers:

valentinak56 [21]2 years ago

6 0

C i know because we had this in our school

ValentinkaMS [17]2 years ago

3 0

C I answered this before in school

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What is the inverse of the function f(x)=2x-10

Strike441 [17]

So just switch x and y to get: $x = 2y -10$ and solve for x.

so f(-1) = x = 2y -10

3 0

2 years ago

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10 ÷ 1/5 I'm really dumb at math so try for brainly

yarga [219]

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Rodney is given twi equations:x-y=11 and 2x+y=19

lozanna [386]

Answer:

x= 10 and y= -1

Step-by-step explanation:

Rewrite your second equation Y= -2x+ 19 then plug it into the first equation.

x- (-2x + 19) = 11

x + 2x - 19 =11

3x - 19 = 11

3x = 30

x = 10

The plug that answer into the first equation and solve.

10 - y = 11

-y = 1

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3 years ago

Calvin is mixing colored gravel for the bottom of his fish tank. He mixes 12 pounds of blue gravel with 3 pounds of purple grave

Flura [38]

Answer:

B.4

Step-by-step explanation:

I did 12 divided by 3 = 4

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2 years ago

I don't know what to do I'm very confused

finlep [7]

Answer:

x = 33.8°

Step-by-step explanation:

The resulting diagram we have is a right triangle. To find x, apply trigonometric function.

Reference angle = x

Opposite = 116

Adjacent = 173

Apply TOA:

Tan x = Opp/Adj

$tan (x) = \frac{116}{173}$

$x = tan^{-1}(\frac{116}{173})$

x = 33.8° (nearest tenth)

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2 years ago