what value of a makes the equation true? 9a+2=4a-18

Answers

Answer 1
Answer: 9a+2=4a-18 \n9a-4a= -18-2 \n 5a= -20 |:5 \na= -4
Answer 2
Answer: 9a+2=4a-18\ \ \ \ /-2\n\n9a=4a-20\ \ \ \ /-4a\n\n5a=-20\ \ \ \ /:5\n\na=-4

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What type of muffin coast the least?

Answers

a). 12 ÷ $7.20 = about $1.67 per muffin
b). 8 ÷ $4.40 = about $1.81 per muffin
c). 6 ÷ $4.50 = about $1.33 per muffin

type C costs the least per muffin

How do u write a word problem to match the expression 24 - (6 + 3)

Answers

Subtract the twenty four from six plus three
You subtract the twenty four from the six plus three

Round 6,254 to the nearest thousand

Answers

6000 because 254 is less than 400 so it rounds down. If it was more than 500 it would round up. 
7000 because 6 goes up

Solve 120000/1+48e^0.015t=24e^0.055t

Answers

hi im so sorry but i don't know the answer to your problem

The sum of two rational numbers is 3/2. if one of the numbers is-9/10, find the other number,.

Answers

There are one number is X, and another number is -9/10and sum is 2/3.
let other number be= x
-9/10+x = 3/2
x = 3/2+9/10
x = (15+9)/10
x = 24/10
x = 2.4

Angie baked 100 cookies and 20 brownies. she wants to split them into equal groups for the bake sale. Each group must have the same number of cookies andbrownies with none left over. What is the greatest number of groups she can make

Answers

Angie can make 50 groups of cookies and brownies.