All categories

3 years ago

An equation written below. 3/4x -4 = -19 what is the solution to the equation?

Mathematics

1 answer:

kogti [31]3 years ago

6 0

Answer:

x=-20

Step-by-step explanation:

3/4x-4=-19

3/4x=-19+4

3/4x=-15

x=-15/(3/4)

x=(-15/1)(4/3)

x=-60/3

x=-20

You might be interested in

How do I do 9b and 9c I already know the volume is 27.47m3

Kaylis [27]

I think the answer is 2.98b

7 0

3 years ago

A car is traveling at a constant speed of 60 miles per hour. How many feet does it travel in 10 seconds?

Nat2105 [25]

Answer:

880 ft.

Step-by-step explanation:

First! We have to establish how many feet the car travels per hour.

60 (number of miles per hour) x 5280 (number of feet in a mile) = 316,800 (number of feet in an hour)

Next, since we know that there are 60 minutes in an hour we are going to divide our "number of feet in an hour" by 60 to get the "number of feet in a minute"

316,800 ÷ 60 = 5280

Once again, we are going to divide our "number of feet in a minute" by 60 to get the "number of feet per second".

5280 ÷ 60 = 88

Finally! We will multiple our "number of feet per second" by 10 to get how many feet the car can travel in 10 seconds.

88 × 10 = 880

So! Our car can travel 880 feet in 10 seconds.

Hope this Helps! :)

Have any questions? Ask below in the comments and I will try my best to answer.

-SGO

5 0

3 years ago

the interest earned on an account varies directly with the balance in the account. if an account with a balance of $200 earns $1

sp2606 [1]

$\bf \qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad y=kx\impliedby \begin{array}{llll} k=constant\ of\\ \qquad variation \end{array} \\\\[-0.35em] \rule{34em}{0.25pt}$

$\bf \stackrel{\textit{\underline{I}nterest varies with \underline{b}alance}}{I=kb}\qquad \qquad \textit{we know that } \begin{cases} b=200\\ I=12.5 \end{cases} \\\\\\ 12.5=k200 \implies \cfrac{12.5}{200}=k\implies \cfrac{~~\frac{125}{10}~~}{\frac{200}{1}}=k\implies \cfrac{125}{10}\cdot \cfrac{1}{200}=k \\\\\\ \cfrac{1}{16}=k \qquad \qquad \textit{therefore}\qquad \boxed{I=\cfrac{1}{16}b} \\\\\\ \textit{when b = 500, what is \underline{I}?}\qquad I=\cfrac{1}{16}(500)\implies I=\cfrac{125}{4}\implies I=31.25$

3 0

3 years ago

What is the relationship between the number of sides of the base of a prism and the number of lateral faces? The number of sides

slamgirl [31]

Answer:

Every prism has as many faces, and edges, as its base has sides. Thus, a prism with an octagonal (eight sided) base has eight lateral faces, and eight lateral edges. Each lateral face meets two other lateral faces, as well as the two bases. As a consequence, each lateral face is a four sided polygon.

5 0

3 years ago

Read 2 more answers

3x-1/5-2/9x=124/5 how do you solve this?

Sergeu [11.5K]

So first you would combine the like-terms so you get:
$\frac{7}{9} x - \frac{1}{5} = 124 \div 5$
and combine the second like-terms:
$\frac{7}{9}x - \frac{1}{5} = 24.8$
now you only have a two step equation and you continue by doing the reciprocal and you add the -1/5 to the 24.8 where you get:

7/9x=24.6

then because the 7/9 is being multiplied by the x and your trying to isolate it you divide it by the 7/9 on both sides and you'll end up getting

x=31.628571429....

6 0

3 years ago