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mestny [16]
3 years ago
12

1/8 + c = 4/5 Find what c is

Mathematics
2 answers:
IgorC [24]3 years ago
4 0
4/5-1/8=0.675 and that’s the answer
pshichka [43]3 years ago
3 0

c = 27/40

Pic is below for explanation

God bless !

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5. A stove has a list price of $1,400. If the chain discount is 13/10/4, what's the net price? Also, what's
Arada [10]

Answer:

I think this is the answer. I tried.

Step-by-step explanation:

13/10/4 = .325

A. 1,400 x .325=455

Net Price=1,400-455 = 945

B. Trade Discount = 32.5%

6 0
3 years ago
The half-life of the radioactive element unobtanium-43 is 10 seconds. If 48 grams of unobtanium-43 are initially present, how ma
natka813 [3]

Answer:

At time, 10 seconds, the mass remaining is 24 grams

At time, 20 seconds, the mass remaining is 12 grams

At time, 30 seconds, the mass remaining is 6 grams

At time, 40 seconds, the mass remaining is 3 grams

At time, 50 seconds, the mass remaining is 1.5 grams

Step-by-step explanation:

Given;

initial mass of the radioactive element  = 48 grams

half life, t = 10 seconds

time of decay (s)                          remaining mass of the  radioactive element

0 ------------------------------------------------- 48 grams

10------------------------------------------------- 24 grams

20 ------------------------------------------------- 12 grams

30 -------------------------------------------------- 6 grams

40 --------------------------------------------------- 3 grams

50 ----------------------------------------------------- 1.5 grams

60------------------------------------------------------0.75 grams

Thus;

At time, 10 seconds, the mass remaining is 24 grams

At time, 20 seconds, the mass remaining is 12 grams

At time, 30 seconds, the mass remaining is 6 grams

At time, 40 seconds, the mass remaining is 3 grams

At time, 50 seconds, the mass remaining is 1.5 grams

7 0
3 years ago
-11=a+7 dolce equation
zubka84 [21]

-11 = a + 7   Given

-7        -7    Subtract 7 on each side to cancel out +7 and isolate variable

-18 = a       Answer

Prove.

-11 = -18 + 7    Plug in variable value

-11 = -11

True.

4 0
3 years ago
Read 2 more answers
A number y decreased by 9 is 8<br> An equation that represents this sentence
Masja [62]

Answer:

Y-9=8

Step-by-step explanation:

Y is decreased by 9 in just say 9 is subtracted by y

8 0
3 years ago
Audrey and Lauren began reading a novel on the same day. Audrey reads 15 pages a day and Lauren reads 5 pages a day. If Audrey i
Maru [420]
Lauren is on page 25. Since 75/15 is 5 that means she read fro 5 days. And they started at the same time so 5*5 is 25
4 0
3 years ago
Read 2 more answers
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