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nlexa [21]
3 years ago
8

Which system of equations does the graph represent?

Mathematics
1 answer:
zubka84 [21]3 years ago
8 0
Your answer should be the last one. All you do is put your x&y intercept into the equation. It’s pretty simple and easy
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Which is more? 15 inches or 1 foot
zubka84 [21]
1 ft = 12 inches

therefore, 15 inches is more then 1 ft
4 0
3 years ago
Read 2 more answers
You have just isolated a new radioactive element. If you can determine its half-life, you will win the Nobel Prize in physics. Y
Troyanec [42]
Staals half
1 gram left
0.3 grams left
half lives are normally written in years
it goes likt this

A=P( \frac{1}{2})^ \frac{t}{h}
A=final amount
P=initila amount
t=time elapsed
h=time half life is (same units as time)

let's use days as the units of time


we are given
initial amount=1gram
final amount=0.3gram
time=4 days

so
0.3=1( \frac{1}{2})^ \frac{4}{h}
solve for h
0.3=( \frac{1}{2})^ \frac{4}{h}
take the ln of both sides
ln(0.3)=ln( \frac{1}{2})^ \frac{4}{h}
ln(0.3)=\frac{4}{h}ln( \frac{1}{2})
times both sides by h
hln(0.3)=4ln( \frac{1}{2})
divide both sides by ln(0.3)
h= \frac{4ln( \frac{1}{2}) }{ln(0.3)}
use calculator
h=2.30287
3 sig figs
h=2.303 days
6 0
3 years ago
A farmer ordered 3/4 ton of soil. He wants to divide it evenly into 8 flower beds. How much will he have for each bed?
Fed [463]

Answer:

3/32 tons

Step-by-step explanation:

3/4 divided by 8

3/4 divided by 8/1

3/4 times 1/8

3/32 tons per flower pot

3 0
3 years ago
5 in<br> 9 in<br> 10 in<br> Surface Area =
yKpoI14uk [10]

5*9*10= Surface Area

5 0
3 years ago
Please help
Drupady [299]

Answer:

56°

Step-by-step explanation:

2x+3x+5=90

5x=90-5

5x=85

x=85÷5

x=17

m<2=3x+5=3(17)+5=51+5=56

3 0
3 years ago
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