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Ede4ka [16]
2 years ago
15

What is FJ for brainliest

Mathematics
1 answer:
kramer2 years ago
6 0

Answer31 i don't know :(

Step-by-step explanation:

You might be interested in
The​ half-life of radium is 1690 years. If 20 grams are present​ now, how much will be present in 250 ​years?
Aneli [31]

Answer:

  18.05 g

Step-by-step explanation:

The multiplier of the initial quantity is ...

  (1/2)^(t/1690)

so, for t=250, this becomes ...

  (1/2)^(250/1690) ≈ 0.902545

Then the quantity remaining of the initial 20 g is ...

  (20 g)(0.902545) ≈ 18.05 g

3 0
3 years ago
Evaluate the following expressions using the chip method. SHOW ALL WORK!!!
Mila [183]

Answer:

  • a. -7
  • b. -20
  • c. 7

Step-by-step explanation:

  • a. -9+2, in this case, it is -7 because you take the bigger number and subtract it by the lower number. If the bigger number is negative your answer will be negative, if the bigger number is positive it will be positive it is just really a basic subtraction problem just add the sign.
  • b. In multiplication +++=+ ++-=- and a -+-=+ do your problem without thinking about the signs and then add the signs with the formula I showed you.
  • c. ---=+

Hope this helps :)!

5 0
3 years ago
Can someone help me
garri49 [273]

Answer:

C. 13,248 square units

Step-by-step explanation:

You gotta find measure of bottom leg of the triangle which 92

Then add that to 100

92 + 100 = 192

You multiply 192 by 69

192  x  69 = 13248

7 0
3 years ago
Find the value of x. PLEASE HELP!!!!
Diano4ka-milaya [45]

Answer:

Step-by-step explanation:

Because of the right angle (90 deg) in red, and the horizontal line on the bottom axis,

we know that :

49 + (1+5x) = 90

solving for x delivers x=8

4 0
3 years ago
What is the result of subtracting the second equation from the first?<br> -2x+y=0<br> -7x+3y=2
Mashutka [201]

Answer:

If you subtract -2x+y=0 and -7x+3y=2 you will get 5x-2y=-2

Step-by-step explanation:

Subtract -2x and -7x which is 5x

Subtract y and 3y which is -2y

Subtract 0 and 2 which is -2

Result: 5x-2y=-2

Hope this helps!

8 0
3 years ago
Read 2 more answers
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