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Galina-37 [17]
3 years ago
14

PLEASE HELP I WILL MARK BRAINLIEST!

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0

Answer:

40 pounds of nuts worth $1.60

60 pounds of nuts worth $1.85

Step-by-step explanation:

This is a mixture problem, so see the attachment below:

<u><em>*Sorry if it's unclear, but I hope it helps!</em></u>

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Can someone please tell me what the formula to find area and volume for this would be?
Step2247 [10]
The formula for this is A= a + b/2 x h.
6 0
3 years ago
7×1000 equals wut Help me​
Aleonysh [2.5K]

Answer:

7000

Step-by-step explanation:

Hope this helps! :)

7 0
3 years ago
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What is the maximum value of the function f(x) = -x2 + 4?
xenn [34]

Answer:

-x2+4=-x=4-2=2

-x=2

x= -2

8 0
3 years ago
Please help me with this. If you show your work I will give brainliest if there are 2 answers
AfilCa [17]
<h3>Answer:  22.5</h3>

Work Shown:

450 calories = 20 ounces

450/20 calories = 20/20 ounces ..... divide both sides by 20

22.5 calories = 1 ounce

This smoothie has 22.5 calories per ounce.

6 0
3 years ago
6. Solve by factoring: 2x²-11x+14=0
Mariana [72]

Step-by-step explanation:

Solve 2x^2-11x+14=0 give me 2 ways to get the 2 values of x?

The first way is to make factors by middle-term splitting. You get (x-2)(2x-7)=0, so the solution is x=2,7/2.

The other way is to use the formula for the solution of roots. Roots= (-b+ rootD)/2a, (-b-rootD)/2a, if the equation is of the form ax^2+bx+c=0. Here D is the discriminant. D=b^2-4ac

How do I solve 12x^2+11x+2=0?

Solve for x. 5x3−2x2−47x−14=0?

How can I prove that x^2+2x+2=0?

Is the sequence X^2 + 2x -2 =0?

What are the steps to solve 2^(2x)-3(2^x) +2=0?

Lets assume your equation is of the form ax^2+ bx + c =0

First method :

By breaking 'b' factor of x into two parts using factors of 'ac' ( a *c)

like 2* 14 = 28 = 7* 4 ( b is 11 which could be splitted in values 7 and 4)

equation becomes 2x^2 -4x-7x+14 = 0

take out common factors 2x(x-2) -7 (x-2) = 0

which is (2x-7) (x-2) =0 ; x =2,7/2 are two values

Second method:

make equation in the form of (x+h)^ 2 - k = 0 ; then x+h = +sqrt(k) and -sqrt(k)

which will give x as -h+sqrt(k) , +sqrt(k)

2x^2 - 11x +14 =0 wil become x^2 -11/2 x + 7 = 0

which is (x-11/4)^2 + 7- 121/16 =0

(x-11/4)^2 = (121/16) - 7 = 9/16

x- 11/4 = 3/4 and -3/4

x = 14/4 and 8/4 = 7/2 and 2

3 0
2 years ago
Read 2 more answers
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