1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Citrus2011 [14]
3 years ago
13

What is X? x-3.9=12.4

Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0

Answer:

Its 8.5

Step-by-step explanation:

I calculator

12.4+-3.9=8.5

You might be interested in
Find the indicated side of the<br> right triangle.
Advocard [28]

Answer:

?=9

Step-by-step explanation:

We have a special right triangle, the 45-45-90 triangle.

In a 45-45-90 triangle, the side lengths are x, and the hypotenuse is x√2.

Since we know that the side length is 9, this means that:

x=9\\\text{Hypotenuse}=x\sqrt2\\\text{Hypotenuse}=9\sqrt2

The ? is 9.

8 0
3 years ago
The fraction 7/9 produces a repeating decimal. True or false
andriy [413]

Answer:

True

Step-by-step explanation:

anything over 9 that is not 9 is a repeating decimal

8 0
3 years ago
Read 2 more answers
The booster club will sell raffle tickets to raise money for new band uniforms. The total cost of the uniforms is $16,272. Each
Zina [86]

Answer: 1,356 tickets

12x=16,272

divide by 12 on both sides

12x÷12=16,272÷12

x=16,272÷12

x=1,356

I hope this is good enough:

7 0
2 years ago
Given an initial polynomial of x^2 + 2x, which polynomial needs to be added to it
Flauer [41]

Answer:

I wish i was in high school but 2 more years left for me so sorry i cant help :(

Step-by-step explanation:

:(

4 0
3 years ago
How many boys are in a class of thirty-five student if the girls outnumber boys by five
Diano4ka-milaya [45]
15 Boys because 35-5 is 30 then divide 30 by 2 to get 15
6 0
3 years ago
Read 2 more answers
Other questions:
  • Assume that two marbles are drawn without replacement from a box with 1 blue, 3 white, 2 green, and 2 red marbles. find the prob
    9·1 answer
  • Name one advantage of the metric system over the customary system.
    15·1 answer
  • Need an answer for question 7 HURRY PLEASE 20 POINTS
    15·1 answer
  • Based on your understanding of the methods to prove similar triangles, answer the following questions.
    6·1 answer
  • Sam opened a money-market account that pays 2% simple interest. He started the account with $7,000 and made no further deposits.
    10·1 answer
  • Write an equation in point-slope form for the line that passes through (–2, 1) with a slope of 1/4. Giving brainliest!
    7·1 answer
  • Find the degree of the monomial (question in image)
    9·2 answers
  • X2 + bx – 12 where b is some whole number (no
    13·1 answer
  • The midpoint of AB is M(1, 3). If the coordinates of A are(4,1), what are the coordinates of B?
    10·1 answer
  • What would be the angle between the two perpendicular lines.​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!