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Gnesinka [82]
3 years ago
10

When f(x) = 2x² + 4x + 2, evaluate f(-2)f(-2) =​

Mathematics
1 answer:
sleet_krkn [62]3 years ago
4 0

Answer:

answer is 2 of the sum

Step-by-step explanation:

plz mark as brainliest

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Sharon has some one-dollar bills and some five-dollar bills. She has 14 bills. The value of the bills is $30. Solve a system of
Scorpion4ik [409]

Answer:

10 one-dollar  and 4 five-dollar bills.

Step-by-step explanation:

Let x = the number of one-dollar bills and y = number of five-dollar bills.

Then:

x + y = 14

x + 5y = 30      (using the values of the bills)

Subtracting the 2 equations:-

-4y = -16

y = 4

so x + 4 = 14

x = 10.

There are 10  one-dollar bills and 4  five-dollar bills.

8 0
3 years ago
Why is 6/8 greater than 5/8 but less than 7/8
My name is Ann [436]
Simple!

Since we can observe that they all have the same denominators (bottom part) we can just observe the numerator (top part)

6 is indeed greater than 5, yes? So we can safely say that

6/8 > 5/8

Now the for the second part. 

6 is smaller than 7, yes? So we can make the observation that

6/8 < 7/8

Hope that makes sense! (Be sure to thank me, plz)

P.S. If you want an example of unlike denominators, let me know. <span />
7 0
3 years ago
50 cents is _____% of the value of a dollar? Idk pls help me
ICE Princess25 [194]

Answer:

50

Step-by-step explanation:

7 0
3 years ago
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If you purchase an ipod that costs $339, how much sales tax will you pay if the rate is 8.375%?
Dominik [7]

The sales tax amount is $ 28.4

<em><u>Solution:</u></em>

Given that you purchase an ipod that costs $339

The tax rate is 8.375 %

To find: Sales tax amount

From given,

Cost price = $ 339

Tax rate = 8.375 %

Therefore, sales tax amount is 8.375 % of cost price

Sales\ Tax\ Amount = 8.375 \% \text{ of } 339\\\\Sales\ Tax\ Amount = 8.375 \% \times 339\\\\Sales\ Tax\ Amount = \frac{8.375}{100} \times 339\\\\Simplify\ the\ above\ expression\\\\Sales\ Tax\ Amount = 0.08375 \times 339\\\\Sales\ Tax\ Amount = 28.39125 \approx 28.4

Thus sales tax amount is $ 28.4

6 0
3 years ago
∆ABC transforms to produce ∆A'B'C'. Which transformation did NOT take place?
melisa1 [442]

Answer:

jhhhhjjjjjjjjjjjjjjjjjj

a

Step-by-step explanation:

hhhhihhubtbyvyvyvtvtvtvtvrttjjjjjj

8 0
3 years ago
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