All categories

3 years ago

What number must be added to -9 to equal +4?

Mathematics

1 answer:

Vlad1618 [11]3 years ago

8 0

Answer:

$13$

Step-by-step explanation:

let the unknown number be x

 $x + ( - 9) = 4 \\ x - 9 = 4 \\ x = 4 + 9 \\ x = 13$ 

hope this helps you.

Can I have the brainliest please?

Have a nice day! 

You might be interested in

What is the lcm of 8,12,3

Mekhanik [1.2K]

Answer:

Step-by-step explanation:

The LCM of 3,8,12 3 , 8 , 12 is the result of multiplying all prime factors the greatest number of times they occur in either number. The LCM of 3,8,12 3 , 8 , 12 is 2⋅2⋅2⋅3=24 2 ⋅ 2 ⋅ 2 ⋅ 3 = 24 .

5 0

3 years ago

Find an equation for the line with the given properties. Perpendicular to the line 7x - 3y = 68; containing the point (8, -8)

Sever21 [200]

Answer:

$y=\dfrac{-3}{7}x-\dfrac{32}{7}$

Step-by-step explanation:

Given that,

A line 7x - 3y = 68 and containing the point (8, -8).

The equation can be written as :

$-3y=68-7x\\\\y=\dfrac{68}{-3}+\dfrac{7x}{3}\\\\y=\dfrac{7x}{3}+(\dfrac{-68}{3})$

The slope is :7/3

Line is perpendicular so use m = –3/7

$-8=(-\dfrac{3}{7})\times 8+b\\\\-8+\dfrac{3}{7}\times 8=b\\\\b=\dfrac{-32}{7}$

So, required equation is :

$y=\dfrac{-3}{7}x-\dfrac{32}{7}$

6 0

3 years ago

Watch help video

Natali5045456 [20]

Answer:

$100 \div .19$

4 0

3 years ago

TV=3x-24 and VX=2x+1. What is the value of VX? 1. 25 2. 99 3. 5 4. 51

Maslowich

ΔTXV is an isosceles triangle because ∡T = ∡X therefore TV = VX.

3x - 24 = 2x + 1 |subtract 2x from both sides

x - 24 = 1 |add 24 to both sides

x = 25

7 0

3 years ago

Read 2 more answers

In shop a crunchy peanut butter costs $325 for 250g

FinnZ [79.3K]

Answer:

shop b

Step-by-step explanation:

We can find for example how much 100 grams of peanut butter cost in each shop using a proportion

shop A 100 : 250 = x : 325

x = (325 * 100) / 250 = $130

shop B 100 : 340 = x : 408

x = (408 * 100)/ 340 = $120

We discovered that shop B is cheaper

5 0

3 years ago