3 years ago

Please help me with this MATH question.

Mathematics

1 answer:

andrey2020 [161]3 years ago

3 0

Answer:

y=4

Step-by-step explanation:

84=30y-9y, first you collect like terms.

84=21y, swap the sides

21y=84, devide both sides and you get y =4

You might be interested in

John recieved a notice that his bank account was overdrawn by $40. He made a deposit and now his balance is $25. How much did Jo

Vitek1552 [10]

He had to put $65 bc. he had to balance his account then added $25

8 0

4 years ago

Read 2 more answers

Evaluate ab-0.5bab-0.5ba minus 0 point 5,b when a=1a=1a equals 1 and b=5b=5

schepotkina [342]

Answer:

$2.5$

Step-by-step explanation:

We want to evaluate $ab-0.5b$ when a=1 and b=5.

We just have to substitute the value of a and b into the given expression and simplify.

$(1)(5)-0.5(5)$

This simplifies to:

$5-2.5$

This will finally give us;

$2.5$

8 0

4 years ago

Read 2 more answers

Given f(x) = x^4 -3x^3 +10x^2 -9x +1. Is (x-2) a factor? Is x=-3 a zero? Find f(-1) show all work.

gizmo_the_mogwai [7]

Step-by-step explanation:

(x-2) is not a factor

x = -3 is not a zero

<h2>Please mark my answer as the brainliest for further answers :)</h2>

3 0

3 years ago

Patrick deposited 6875 into a savings account 17 years ago. The account has an interest rate of 4.9% and the balance is currentl

larisa86 [58]

Nooo thia is not the same thing

6 0

4 years ago

Where is the answer to the expression 3 − 7 located on a horizontal number line?

crimeas [40]

-4 is the correct answer

3 0

4 years ago