3 years ago

4m plus 9 plus five m minus 12 equal 42

Mathematics

2 answers:

Vladimir [108]3 years ago

6 0

4m + 9 + 5m - 12 = 42

4m + 5m = 42 - 9 + 12

9m = 45

m = 45/9

m = 5

lakkis [162]3 years ago

3 0

4m + 9 + 5m - 12 = 42

9m - 3 = 42
+3 +3
9m = 45
/9 /9

m = 5

You might be interested in

6. Mary worked 27 hours last week. If she gets paid $12/hour, what is her<br> gross pay?

kupik [55]

Answer:

324

Step-by-step explanation:

you would multiply 27 × 12 and that would equal 324

8 0

3 years ago

Help&EXPLAIN <br> rose<br> Pls I have a hard time with this

Soloha48 [4]

Step-by-step explanation:

hope I'm able to explain

4 0

3 years ago

A coffee house sells a blended coffee that is made using a $6-per-pound grade and a $4.50 per-pound Grade. If 5 pounds of this b

sineoko [7]

Answer:

3 lbs of $6 coffee
2 lbs of $4.50 coffee

Step-by-step explanation:

Let x represent the number of pounds of $6 coffee. Then the total cost of the mix is ...

6x + 4.50(5 -x) = 27

1.5x +22.50 = 27.00 . . . . . . simplify

1.5x = 4.50 . . . . . . . . . . . . . . subtract 22.50

x = 3 . . . . . . . . . . . . . . . . . . . .divide by 1.5; pounds of $6 coffee

5 -x = 2 . . . . . . . . . . . . . . . . . pounds of $4.50 coffee

3 pounds of $6 coffee and 2 pounds of $4.50 coffee were used in the mix.

6 0

3 years ago

3x - 5y = -16

murzikaleks [220]

X=3 y=5 hope this helped :)

4 0

3 years ago

Read 2 more answers

Shikita borrowed money from her brother and paid back a set amount each

Natali [406]

Each week she would pay $2.50

The graph is done in increments of 3. Marked every three weeks.

6 0

3 years ago