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2 years ago

Help me plz STEP BY STEP PLZ!!!

Mathematics

1 answer:

lidiya [134]2 years ago

6 0

Answer:

Step-by-step explanation:

So basically first multiply the cups of clean total by 2 so it would equal 4 cups. This mean you would have 2/4 of white vinegar. Then divide the equation by 2 because we need 5 cups not 6 of spray. To have half of 1/4 we need to do 1/8 which is half of 1/4. Then we convert the first 2/4 by dividing by 2 and get 5/8.

IK this explanation isn't the best but hopefully it helps

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Suppose h(x)=3x-2 and j(x) = ax +b. Find a relationship between a and b such that h(j(x)) = j(h(x))

sergejj [24]

Answer:

$\displaystyle a = \frac{1}{3} \text{ and } b = \frac{2}{3}$

Step-by-step explanation:

We can use the definition of inverse functions. Recall that if two functions, f and g are inverses, then:

$\displaystyle f(g(x)) = g(f(x)) = x$

So, we can let j be the inverse function of h.

Function h is given by:

$\displaystyle h(x) = y = 3x-2$

Find its inverse. Flip variables:

$x = 3y - 2$

Solve for y. Add:

$\displaystyle x + 2 = 3y$

Hence:

$\displaystyle h^{-1}(x) = j(x) = \frac{x+2}{3} = \frac{1}{3} x + \frac{2}{3}$

Therefore, a = 1/3 and b = 2/3.

We can verify our solution:

$\displaystyle \begin{aligned} h(j(x)) &= h\left( \frac{1}{3} x + \frac{2}{3}\right) \\ \\ &= 3\left(\frac{1}{3}x + \frac{2}{3}\right) -2 \\ \\ &= (x + 2) -2 \\ \\ &= x \end{aligned}$

And:

$\displaystyle \begin{aligned} j(h(x)) &= j\left(3x-2\right) \\ \\ &= \frac{1}{3}\left( 3x-2\right)+\frac{2}{3} \\ \\ &=\left( x- \frac{2}{3}\right) + \frac{2}{3} \\ \\ &= x \stackrel{\checkmark}{=} x\end{aligned}$

3 0

3 years ago

Whoever responds first will get marked Best!please look at the picture!Which scenario has the same area as the given figure?

Nutka1998 [239]

Answer:

D) 96 is closest

Step-by-step explanation:

12x7=84

1/2(8)(4)=16

84+16=100

A = 30

B = 45

C = 160

D = 96

4 0

3 years ago

F(x)=lx+4l+3 how do u do it

dybincka [34]

Answer:

implifying

f(x) = lx + 4l + -3

Multiply f * x

fx = lx + 4l + -3

Reorder the terms:

fx = -3 + 4l + lx

Solving

fx = -3 + 4l + lx

Solving for variable 'f'.

Move all terms containing f to the left, all other terms to the right.

Divide each side by 'x'.

f = -3x-1 + 4lx-1 + l

Simplifying

f = -3x-1 + 4lx-1 + l

Reorder the terms:

f = l + 4lx-1 + -3x-1

Step-by-step explanation:

4 0

3 years ago

Omar’s classroom has 2 closets. Each closet has 3 shelves. There are 5 backpacks on each shelf. How many backs are there in all

almond37 [142]

I believe there are 35 backpacks in all. 2 closets have 6 shelves all together. Then 6*5=35.

5 0

4 years ago

Please help ill give you. brainiest

Bond [772]

I believe the answer is b

3 0

3 years ago

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