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3 years ago

H(x) = 3x - 1; Find h(3)

Mathematics

1 answer:

vfiekz [6]3 years ago

7 0

Answer:

it is 8 if i substitute x for 3

Step-by-step explanation:

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Did I do this right? If pls tell me how to fix it. Pls, look at the attachment.

anastassius [24]

It looks all good to me! :) gj

7 0

3 years ago

Jenna and Richie go shopping at the mall to buy their mom a present they buy a scarf for $12.45 and a necklace for $35.65 their

padilas [110]

Answer:

The tax Jenna and Richie pay on the gifts is $3.85.

Step-by-step explanation:

Given:

Cost of scarf = $12.45.

Cost of necklace = $35.65.

State tax charges sale tax = 8%.

Now, to find the sales tax paid on the gifts.

So, adding the price of the gifts:

$12.45+35.65=48.10$

Thus, the total amount of the gifts = $48.10.

Now, getting the sales tax the state charges:

$8\%\ of\ 48.10$

$=\frac{8}{100}\times 48.10$

$=0.08\times 48.10$

$=3.848$

The tax nearest to cent = $3.85

Therefore, the tax Jenna and Richie pay on the gifts is $3.85.

5 0

3 years ago

Anyone who knows this mathematic question will get the brainliest

spayn [35]

The third one is 510 not show in the pic here

7 0

3 years ago

01.05 what is the slope intercept form equation of the line that's passing through (1,3) and (3,7)

Butoxors [25]

Hello!

To find the slope-intercept form equation of the line that passes through the two points is found by first, calculating the slope using the slope formula and substitution, and secondly, finding the y-intercept of the equation through substitution.

Remember, slope-intercept form is written as: y = mx + b, where m is the slope and b is the y-intercept.

1. Find the slope

The slope formula is: $\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$ . To use this formula, you need two points and also, you need to assign these points to $x_{1}$ , $x_{2}$ , $y_{1}$ , and $y_{2}$ .

In this case, $x_{1}$ and $x_{1}$ is assigned to the ordered pair (1,3), while $x_{2}$ and $y_{2}$ is assigned to (3, 7). After assigning these points, you can substitute the pairs into the formula and simplify.

$\frac{7-3}{3-1} =\frac{4}{2} = 2$

The slope of these two points is 2.

2. Find the y-intercept

To find the y-intercept, you substitute an ordered pair into the slope-intercept equation with the slope that was just calculated. We can use either ordered pair because it will result in the same y-intercept.

y = 2x + b (substitute)

3 = 2(1) + b (simplify)

3 = 2 + b (subtract 2 from both sides)

1 = b

The y-intercept of the two points is (0, 1).

With the necessary values to complete the equation, we can write the final equation.

The slope-intercept form equation of the line that passes through the points (1, 3) and (3, 7) is y = 2x + 1.

7 0

3 years ago

Which of the following is the solution set of x² + 8x + 12 = 0?

raketka [301]

Answer: