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Alexandra [31]
3 years ago
7

I need help with this please

Mathematics
1 answer:
Volgvan3 years ago
7 0

Answer: No she is not.

Step-by-step explanation: The correct answer is 7.25 F, because she just put them both as positives. When you have a negative it takes away from the total, so how I think of it is you subtract from the positive number, so you could just do 11.75-4.5. Hope this helped!

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Can you please help me ​
mylen [45]

Answer:

3

Step-by-step explanation:

please remember when dividing letters or numbers of the same base then their exponents will be minused.

4 0
3 years ago
If John Ran 1/8 of a mile long he ran around the track 24 times how many miles is that
prohojiy [21]
3 miles, 1/8 time 24.
7 0
2 years ago
Read 2 more answers
A certain motorcycle manufacturer has been building motorcycles for 98 years. Over that period, production has increased steadil
Reika [66]

Answer: The fraction would be 0.53.

Step-by-step explanation:

Since we have given that

r(t)=A.(1.05)^t

where, A is the constant initial production rate

t is the time.

For 98 years, the production rate in motorcycles per year would be

r(98)=A.(1.05)^{98}\\\\r(98)=A.119.27

For 13 years, the production rate in motorcycles per year would be

r(98-13)=r(85)=A.(1.05)^{85}\\\\r(85)=A.63.25

So, the fraction of their total production was built during the last 13 years would be

\dfrac{r(85)}{r(98)}=\dfrac{63.25}{119.27}=0.53

Hence, the fraction would be 0.53.

5 0
3 years ago
3.)
kotykmax [81]

Answer:

Let’s find out...

Step-by-step explanation:

21 x 13 = 273

(13 x 20) + (13 x 1) =

260 + 13 = 273

So this one matches

(21 x 10) + 213 =

210 + 213 = 423

Does not match

(30 x 13) - (9 x 13) =

390 - 117 = 273

This one matches

(20 x 10) + (1 x 3) =

200 + 3 = 203

Does not match

5 0
3 years ago
5. What is the value of the expression<br> [(29 + 18) + (17 - 8)] = 8?
uysha [10]
I'm not sure what exactly the question is asking for, but the value if this expression should be 56.

Add what are in the parentheses, 29+18=47 and 17-8=9.
Then add up those values, 47+9=56.

Comment on this post if I understood the question incorrectly.
5 0
2 years ago
Read 2 more answers
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