3 years ago

What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3

Mathematics

2 answers:

Georgia [21]3 years ago

7 0

Answer:

Step-by-step explanation:

6.4(x)+2.8y=44.4

6.4(3)+2.8y=44.4

19.2+2.8y=44.4

2.8y=25.2

y=9

lara31 [8.8K]3 years ago

3 0

Answer:

y=9

Step-by-step explanation:

plus in the 3 into x and move the constant to the right. go ahead and calculate then divide by both sides. you should end up with y=9

You might be interested in

A kite Has four equal sides. If 5 inches is added to each side, the new perimeter will be 56 inches. Find a side length of the o

Zina [86]

Answer:

Step-by-step explanation:

7 0

3 years ago

Which is the simplified form of the expression?

Anon25 [30]

Given:

Consider the given expression is:

$10n-\dfrac{1}{3}(9n-12)$

To find:

The simplified form of the given expression.

Solution:

We have,

$10n-\dfrac{1}{3}(9n-12)$

Using distributive property, it can be written as:

$=10n-\dfrac{1}{3}(9n)-\dfrac{1}{3}(-12)$

$=10n-3n+4$

$=7n+4$

Therefore, the correct option is A.

4 0

3 years ago

I need help urgent for quiz

tino4ka555 [31]

Answer:

um, u gotta ask a question

4 0

3 years ago

Which is the least <br><br><br> Pleas help ?!

fiasKO [112]

Answer:

0.35

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

4) Change the recurring decimal 0.18 to a fraction. (2marks)<br> You must show all your working.

yuradex [85]

Answer:

18/100 or 9/50

Step-by-step explanation:

First, put 0.18 over 100 because there are 2 digits in the decimal, so you convert it to 18/100. Then, simplify it, and because the GCF is 2, divide the numerator and denominator. The final fraction ins 9/50.

8 0

2 years ago