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AnnZ [28]
3 years ago
14

John left school with 8.43 he found a quarter on his way home and then stopped to buy an Apple for 0.89 . how much money did he

have when he got home
Mathematics
2 answers:
larisa [96]3 years ago
8 0

Answer:

7.79

Step-by-step explanation:

Y_Kistochka [10]3 years ago
8 0

Answer:

John had $7.79 when he got home

Step-by-step explanation:

8.43 + 0.25-0.89

Hope this helps :)

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Can you please help me:)
svp [43]

Answer:

c

Step-by-step explanation:

yes c

4 0
3 years ago
a country's population in 1990 was 134 million. in 2000 it was a 139 million. estimate the population in 2014 using the exponent
yuradex [85]
F=ir^t

139=134r^10

139/134=r^10

r=(139/134)^(1/10) then:

f=134(139/134)^(t/10)  so in 2014, t=24 so

f=134(139/134)^(2.4)

f≈146 million  (to nearest million)

Some will say that you have to use the exponential function, but it really gives you the same answer...even for continuous compounding :)...

A=Pe^(kt)

139=134e^(10k)

139/134=e^(10k)

ln(139/134)=10k

k=ln(139/134)/10 so

A=134e^(t*ln(139/134)/10)  when t=24

A=134e^(2.4*ln(139/134))

A≈146 million (to nearest million)

The only real reason or advantage to using A=Pe^(kt) is when you start getting into differential equations...
6 0
3 years ago
5. Draw the number line graph of -3.
love history [14]
Idk if this is what you’re looking for but here you go

5 0
3 years ago
Nathan had an infection, and his doctor wanted him to take penicillin. Because Nathan's father and paternal grandfather were all
dem82 [27]

Answer:

.735

Step-by-step explanation:

.735 is 98 percent of .75

8 0
3 years ago
Aster sold 18 oranges if this are 12% of her total oranges how many oranges are not sold​
WITCHER [35]

Answer:

Step-by-step explanation:

So 18 oranges are 12 percent of her total oranges. You can use Ratio to solve this.

O : P

18 : 12                               P = Percentage     O = Orange

1.5 : 1

150 : 100                          

All I did was make the percentage one by dividing both numbers by 12. This makes it 1.5 oranges per percent. Times 1.5 with 100 to make it 100 percent.

7 0
3 years ago
Read 2 more answers
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