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KATRIN_1 [288]
2 years ago
13

sally has 10 pounds she wants to buy 28 cans of soda which cost 26p each. how much money does she spend and does she have enough

Mathematics
2 answers:
Simora [160]2 years ago
8 0

Answer:

she will need 728 pounds to buy 28 cans but she only has 10 pounds so she doesn't even have enough for 1 can of soda

yuradex [85]2 years ago
7 0

Answer:she dosnt have enough

Step-by-step explanation:bored

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Find f(−1) given that f(x)=x3+2x2+3x+4. <br>A. 10 <br>B. -2 <br>C. 2 <br>D. -10
Finger [1]

Answer:

The answer is option C

Step-by-step explanation:

f(x) = x³ + 2x² + 3x + 4

To find f(-1) substitute the value of x that's

- 1 into f(x)

That's

<h3>f( - 1) =  ({ - 1})^{3}  + 2 ({ - 1})^{2}  + 3( - 1) + 4 \\  =  - 1 + 2(1)  - 3 + 4 \\  =  - 1 + 2 - 3 + 4 \\  = 1 - 3 + 4</h3>

We have the final answer as

<h3>f( - 1) = 2</h3>

Hope this helps you

8 0
3 years ago
Find the sum and product of the roots. 3x^<br> 2 - 4x - 7 = 0
victus00 [196]
Given the quadratic function, to get the roots we factorize:
3x²-4x-7=0

3x²+3x-7x-7=0
3x(x+1)-7(x+1)=0
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thus the roots are
x=-1 or x=3/7
thus the sum of the roots will be:
-1+3/7
=-4/7
6 0
3 years ago
I need help with this question please.
garri49 [273]

Answer:

Yes, the ratio stays 2:3

Step-by-step explanation:

3 0
3 years ago
Hurry a lot of Points!
grandymaker [24]

Answer:

A and C

Step-by-step explanation:

Nothing much, just add 2 1/2 to 3 2/3 and subtract 2 1/2 from 3 2/3

6 0
3 years ago
Read 2 more answers
GUYS PLEASE HELP:<br><br> Evaluate the function <br> f (x) = 2x+6 for: <br><br> f(-19) =
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Answer:

-32

Step-by-step explanation:

f(x) = 2x + 6

f(-19) = 2*(-19) + 6

        = -38 + 6

        = -32

3 0
3 years ago
Read 2 more answers
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