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arlik [135]
3 years ago
15

Find the value of X, I need help solving this.

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0
The answer is B. 32
Because the degree of a straight line is 180°
So 83+#=180
180-83=97
3(32)+1=97
Arlecino [84]3 years ago
7 0

Answer:

32

Step-by-step explanation:

180-83=97

3*32=96

+1=97

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If caffeine reduces by about 10% per hour, how many hours h does it take for the amount of caffeine in a body to
Mila [183]

Answer:

7 hours

Step-by-step explanation:

Since, the final amount of caffeine formula would be,

A=P(1-r)^t

Where,

P = Initial value,

r = rate per period,

t = number of periods,

Here, r = 10% = 0.10, t = h, A = \frac{P}{2}

\frac{P}{2}=P(1-0.10)^h

\frac{1}{2}=(0.90)^h

Taking log both sides,

log 0.5 = log 0.90^h

log 0.5 = h log 0.90

\implies h = \frac{log 0.5}{log 0.9}=6.57881347896\approx 7

Hence, after 7 hours the amount of caffeine in a body to  reduce by half.

3 0
3 years ago
Stephen has art lesson every 6 days.And a swim lesson every 9 days.He has both art and swim lesson on Tuesday.On which day of th
lubasha [3.4K]
6 and 9 go into 18
tue - tue = 21 days
- 3 days = sat
3 0
4 years ago
Read 2 more answers
OKAY PLEASEEEE THIS IS THE LAST ONE I NEED HELP ON SOMEONE PLS HELP!!! its rly confusing lol
mario62 [17]

Answer:

little more points

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Write an expression that shows how to multiply 4×362 using place value and expanded form
Elodia [21]
Separate this into, instead of 4*362, 4*300+4*60+4*2, all of which are much easier to solve than the former problem.
4*300=1200
4*60=240
4*2=8
Add these together now!
1200+240+8=1448

Hope this helps!
6 0
4 years ago
Y+3x=8;x=1,0,3 what is answer
Lana71 [14]
The X=1 is Y= 5
The x=0 is Y= 8
The x=3 is Y= -1
6 0
3 years ago
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