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ddd [48]
3 years ago
8

Evaluate f(x) = –x2 – 4 for x = –3.

Mathematics
2 answers:
melisa1 [442]3 years ago
6 0
The answer to your problem is 2

Rzqust [24]3 years ago
5 0
Subsitute -3 for x
remember, exponent before multiply
f(-3)=-(-3)^2-4
f(-3)=-(9)-4
f(-3)=-9-4
f(-3)=-13
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At a ceramic shop, each cup is $6.30 cheaper than each plate. If you totally spent $28.50 for 5 cups and 3 plates, what is the p
Alex Ar [27]
Let
x-------------> <span>the price of each cup
</span>y-------------> the price of each plate

we know that

5x+3y=28.50----------> equation 1
and
x=y-6.30--------------> equation 2

I substitute 2 in 1
5*(y-6.30)+3y=28.50---------> 5y-31.5+3y=28.5-----> 8y=60
y=7.5
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the answer is
the price of each cup is $1.2
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8 0
3 years ago
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bazaltina [42]

Answer:

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Step-by-step explanation:

The mean of a dataset gives the average which is obtained by taking the sun of each data value and dividing by the number of samples. The median however requires the arrangement of data in terms of size ze (ascending) and taking the mid value (value which falls in the 50% mark). For the data above, the most appropriate measure of the average is the mean. Hence, the prediction which matches the data is ; The average weight of the chipmunks is 91 grams.

7 0
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Read 2 more answers
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The picture below explains how to get your answer 
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3 0
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Please help asap 18 pts + brainliest to right/best answer
saul85 [17]

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