2 years ago

If y varies directly as x and y=3 when x=10, find x when y=8Please, somebody, I need help

Mathematics

1 answer:

Kryger [21]2 years ago

8 0

Answer:

26.6

Step-by-step explanation

3=10*k

3/10=.3

y=8

8=.3*x

8/.3=26.6

You might be interested in

A 99 ft length of wire is to be cut into 2 pieces, so that the longer piece is eight feet longer than six times the shorter piec

Serhud [2]

here's the solution,

let the length of shorter peice = x

then the lenght of longer peice = 6x + 8

now, we know that the sum of length of peices measures 99 feet,

So,

=》x + 6x + 8 = 99

=》7x = 91

=》x = 13

shorter piece length = 13 feet

longer peice length = 13 × 6 + 8 = 78 + 8 = 86 feet

5 0

3 years ago

Write the word sentence as an equation. Then solve.

gtnhenbr [62]

The equation is $c-13=-2$

The solved equation is 11

First, we must add 13 on both sides

$c=11$

The answer to the equation is $c=11$

5 0

3 years ago

Which binomial is a difference of squares?

GenaCL600 [577]

D) 36x^2-81
both 36x^2 and -81 are perfect squares
difference means subtraction

7 0

3 years ago

The table shows ordered pairs of the function y=8-2x. What is the value of y when x=8

kakasveta [241]

The value is 2+3 hope this helps ok good not luck

8 0

3 years ago

Why do banks charge fees?

Ivahew [28]

They charge fees so they can cover there costs and return value to shareholders

3 0

3 years ago