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sveta [45]
3 years ago
6

Please please please help me

Mathematics
2 answers:
ddd [48]3 years ago
7 0

Answer:A, 1/1000

Step-by-step explanation:

10 times -10 is -100. -100 times -10 is 1,000

ehidna [41]3 years ago
7 0
It’s a Bc it’s has 3 0’s in the number
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M=9-R  is the equation for it

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A health food store has 250 samples of a new snack to distribute. Customers are taking samples at a rate of 25 each hour. If the
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Answer:

B would u like an explanation

Step-by-step explanation: Okay my explanation was that it says :       A health food store has 250 samples of a new snack to distribute. Customers are taking samples at a rate of 25 each hour. If the store has to keep at least 50 samples for display, which inequality could be used to represent h, the number of hours the samples will last?  what you do is take 250 and subtract 25 hrs from it its super simple  and you get 50 so if they made 50  they candouble that to 10 and in 25 hrs only half of i will be gone so they will have 50 exxtra to feed the next se ofpeople

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Solve x/-3= -15.<br> 45<br> -45<br> 5<br> -5
GalinKa [24]
\frac{x}{-3} = -15   Multiply both sides by -3 to cancel out the fraction
x = 45
7 0
4 years ago
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And economic predict that the cost of food will increase by 4% per year for the next several years use the economics prediction
ValentinkaMS [17]
2.20•4%=0.08•100=8.8
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4 years ago
Quadratic formula, SOMEONE PLEASE HELP (30 points)
Anvisha [2.4K]
1. to create your own quadratic you have to just make up any numbers. so off the top of my head:
y = -5x^2 + 10x - 3

2. the equation to find the x value of the vertex uses is the equation -b/2a. You may notice that this is similar to the quadratic formula except for you take away the plus or minus square root part. if you think about it, it makes sense that this would be the vertex because the plus or minus parts are an equal distance away from the center of the parabola. so using the form ax^2 + bx + c we can plug in the a and b:
x = -10/2 (-5)
x = -10/-10
x = 1

so we have x and can plug into equation to get y value:
y = -5 (1)^2 + 10(1) -3
y= -10 + 10 - 3
y = -3

vertex is at point (1, -3)

3. the axis of symmetry is the line that runs straight up and down at the center of a parabola. the center of the parabola is the vertex so the line runs straight up and down through vertex. for a line to run straight up and down it is a constant x value. since the x of the vertex is 1, the line is:
x = 1

4. using quadratic formula :
x = [-b (+-) sqrt (b^2 - 4ac)]/2a
we get:
x = [-10 (+-) sqrt (10^2 - 4 (-5)(-3)]/2 (-5)
x = [-10 (+-) sqrt (100 - 60)]/-10
x= [-10 (+-) sqrt (40)]/-10
x= [-10 (+-) 2* sqrt (10)]/-10
x= [5 (+-) sqrt (10)]/5

that is the answer. You can use a calculator to solve easily.

5. the discriminant is the solution to what is under the squareroot sign. so the square root part was:
sqrt (b^2 - 4ac)

so discriminant is :
b^2 - 4ac

so for this function it is:
10^2 - 4 (-5)(-3)

solving this the discriminant is 40
6 0
4 years ago
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