Jessi sold half her comic books. Then, she bought 9 more. She now has 11 total. How many did she begin with?

Mathematics

1 answer:

Alex Ar [27]3 years ago

6 0

Answer:X+9=11

9-9|11-9

X=2

Step-by-step explanation:When the beginning number is unknown we use “x” to be a place holder. If she got 9 more books we would add 9 to the equation. Finally if 11 is the total, the end of the equation would equal 11.

You might be interested in

As a real estate agent kensho earns 4.5% commission on the houses he sells in the first quarter of the year he sold two houses o

Natalka [10]

175000 / 100 = 1750 this step finds 1% of 175000
1750 x 4.5 = 7875 this step finds 4.5% of 175000
Commission for first house $7875
199000 / 100 = 1990 this step finds 1% of 199000
1990 x 4.5 = 8955 this step finds 4.5% of 199000
Commission for second house $8955
$7875 + $8955 = $16,830

Kensho's commission for this quarter is $16,830

4 0

3 years ago

What is 7.3 x 10 to the 2nd power

fredd [130]

7.3 * 10^2= 730. Just move the decimal two laces to the right.

6 0

3 years ago

Read 2 more answers

Someone, please help me with this asap! And no links or weird answers, please!

kupik [55]

Answer:

$b = 4$

Step-by-step explanation:

subtract by 5 on both sides. ur left with

${b}^{2} = 16$

square root b and 16. the square root cancels out b squared. find the square root of 16. the square root of 16 is 4

3 0

2 years ago

Read 2 more answers

Can someone answer #13, #15, and #16

Dominik [7]

#13: b
#14: c
#16: c

It is very easy, have a nice day :)

8 0

3 years ago

Read 2 more answers

Solve for y 6x-8y>=-24

Amiraneli [1.4K]

$6x-8y\geq-24\qquad\text{subtract 6x from both sides}\\\\-8y\geq-6x-24\qquad\text{change the signs}\\\\8y\geq6x+24\qquad\text{divide both sides by 8}\\\\y\geq\dfrac{6}{8}x+3\\\\\boxed{y\geq\dfrac{3}{4}x+3}$

3 0

3 years ago