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crimeas [40]
3 years ago
14

Claire sat a spanish test and a french test In the spanish test she scored 27 out of 32 In the french test she scored 19 out of

21 In which test did she do better?
Mathematics
1 answer:
balu736 [363]3 years ago
7 0

Answer:

French test

Step-by-step explanation:

We first calculate the scores as percentages:

#Spanish test:

=\frac{score}{total}\times 100\%\\\\\\=\frac{27}{32}\times 100\%\\\\=84.38\%

#For the French test, her percentage is:

=\frac{score}{total}\times 100\%\\\\=\frac{19}{21}\times 100\%\\\\=90.48\%

Since, 90.48$>84.38%, Claire did better in the French test.

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Answer: it's impossible to obtain 78

Step-by-step explanation: Since the calculator can double any number or permute its digits except 0 

starting with number 1 

1, 2, 4, 8, 16, 32, 64, 128

Therefore, it's impossible to obtain 78 by a series of these operations

8 0
3 years ago
John is hiking in the San Juan National Forest. Every 4 hours his elevation increases between 140 and 210 feet. 36 hours ago, Jo
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2 years ago
If you have a lot of money, you don’t need insurance. true or fasle
tekilochka [14]

Answer:

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Step-by-step explanation:

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6 0
2 years ago
Please help. Will give brainliest.
evablogger [386]
Alright, so you have the basic formula- good.
You have the A value (400), the interest rate r (7.5% -> .075 in decimal), and the final P value (8500). So, we only need to solve for t.

8500 = (400)(1+.075)^t
/400      /400
21.25 = 1.075^t
logarithms are the inverse of exponents, basically, if you have an example like
y = b^x, then a logarithm inverts it, logy(baseb)=x
Makes sense if you consider a power of ten.
1000 = 10^3
if you put logbase10(1000), you'll get 3.
Anyways, though, to solve the problem make a log with a base of 1.075 in your calculator
log21.25(base 1.075) = t
also, because of rules of change of base (might want to look this up to clarify), you can write this as log(21.25)/log(1.075) = t
Thus, t is 42.26118551.
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3 years ago
What is 7/12 in simplest form?
ikadub [295]
If it stays as fraction the answer would be 7/14
8 0
3 years ago
Read 2 more answers
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