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Lostsunrise [7]
2 years ago
5

Pls help i need help ASappp

Mathematics
2 answers:
Ganezh [65]2 years ago
6 0

Answer:

254.469  Have a wonderful night/day

Harrizon [31]2 years ago
4 0
A=πr2=π·92≈254.469
your answer is 254.469
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Lincoln went to the grocery store and purchased cans of soup and frozen dinners. Each can of soup has 250 mg of sodium and each
Ludmilka [50]
We can solve with a system of equations, and use c for the amount of cans of soup and f for the amount of frozen dinners.


The first equation will represent the amount of sodium. We know the (sodium in one can times the number of cans) plus (sodium in one frozen dinner times the number of dinners) is the expression for the total sodium. We also know the total sodium is 4450, so:


250c + 550f = 4450


The second equation is to find how many of each item are purchased:


c + f = 13


Solve for c in the second equation:


c = 13 - f


Plug this in for c in the first equation:


250(13-f) + 550f = 4450


3250 - 250f + 550f = 4450


300f = 1200


f = 4


Now plug the value for f into the second equation:


c + 4 = 13


c = 9


The answer is 9 cans of soups and 4 frozen dinners.


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3 years ago
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Wich integer in the set has the greatest value (-144, -4, -3, -13)
castortr0y [4]

Answer:

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7 0
3 years ago
Hello there!
djyliett [7]

2. f(x) = x - 2x² - 5 + 10x

=-2x² + 8x - 5

f'(x)= -4x + 8

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5 0
3 years ago
Please help me with this mathematics worksheet
Tatiana [17]

Answer:

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2 years ago
The scale of a map is 1:50 000. A distance is measured as 3cm on the map. How many cm, m and km is this equivalent to in real li
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150000cm and 1500m and 1,5km
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2 years ago
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