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3 years ago

You leave a 10% tip on a $30 dinner bill. Find he amount of the tip and add it to

Mathematics

2 answers:

HACTEHA [7]3 years ago

6 0

so since you're only doing 10% of 30, you get 3

add 3 to 30 and you get 33

Korolek [52]3 years ago

4 0

33 dollars. The tip is 3 dollars, and that to 30 dollar dinner bill and the whole bill will be $33.

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Find the solution of 3 times the square root of the quantity of x plus 6 equals negative 12, and determine if it is an extraneou

Anna35 [415]

For this case we have the following equation:
$3 \sqrt{x+6}=-12$
Rewriting we have:
$\sqrt{x+6}= \frac{-12}{3}$
$\sqrt{x+6}=-4$
We raise both members of the equation to the square:
$(\sqrt{x+6})^2=(-4)^2$
Rewriting we have:
$x+6=16$
$x=16-6$
$x=10$
It's a extraneous solution because equality is not met by substituting x = 10 in the original equation:
$3 \sqrt{10+6}=-12$
$3 \sqrt{16}=-12$
$3(4)=-12$
$12=-12$
Answer:
The solution is:
$x=10$
It's a extraneous solution

6 0

3 years ago

Della by tree seedling that was 2 1/4 feet tall during the first year it grew 1 1/6 ft after two years it was 5 ft tall how much

jasenka [17]

<h2>Greetings!</h2>

Answer:

$\frac{19}{12}$ feet

Step-by-step explanation:

First, we need to find the height after one year:

2.25 + 1 1/6 = $\frac{41}{12}$

Now to find the amount in the second year, we can subtract the above amount from 5:

5 - $\frac{41}{12}$ = $\frac{19}{12}$

So in the second year it grew $\frac{19}{12}$ feet

<h2>Hope this helps!</h2>

8 0

3 years ago

Write the inverse of the function f(x) = 5x +3 ?

Ilia_Sergeevich [38]

Answer: f(x^-1) = x/5 - 3/5

Step-by-step explanation:

1. Replace f(x) with y

2. Swap the positions of x and y to make x = 5y + 3

3. Solve for y by subtracting 3 from both sides and dividing each side by 5

7 0

3 years ago

Is $1.45 a natural number ,integer, irrational number, or a real number

Rainbow [258]

Answer:

Real Number

Step-by-step explanation:

These are numbers which include both rational AND irrational!!!

Doesn't go on forever.

Brainliest??

4 0

3 years ago

Read 2 more answers

I need Help. I will give brainliest/

Len [333]

Answer:

the answer is 48.

there is no any answer to hundred

Step-by-step explanation:

we know that,

area of parellelogram=base×height

base=8cm,height=6cm

so, 8×6=48

hope it helps

3 0

3 years ago

Read 2 more answers