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Natasha2012 [34]
3 years ago
8

Estimate 61.68 - 48.225 by first rounding each number to the nearest whole number.

Mathematics
2 answers:
lara31 [8.8K]3 years ago
7 0
61.68 rounded to the nearest whole number is 62.
48.225 rounded to the nearest whole number is 48.
62 - 48 = 14

I think this is what you’re looking for :)
jarptica [38.1K]3 years ago
4 0

Answer:

14

Step-by-step explanation:

61.68 = 62

48.225= 48

62-48= 14

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Write an expression to represent the length of a string in yards in terms of the string's length, x, in inches
Sergio039 [100]

Answer:

y = \frac{x}{36}

Step-by-step explanation:

Given

Length of string = x inches

Required

Determine the length in yards

Represent the equivalent length with y

Such that

y = x\ inches

Divide x by 36 to get equivalent in yards

y = \frac{1}{36} * x

y = \frac{x}{36}

Hence, the equivalent in yards is \frac{x}{36}

3 0
3 years ago
What is the y value of the vertex of the function f(x)=-(x-3)(x+11)
AnnyKZ [126]

Answer:

49

Step-by-step explanation:

Because there is a minus sign infront of x-3, we can convert x-3 into the negative form:

- * x

- * -3

-x + 3

Which gives us:

(-x + 3)(x + 11)

Now expand the brackets with the formula:

(a + b)(c + d) = ac + ad + bc + bd

-x * x = -x²

-x * 11 = -11x

3 * x = 3x

3 * 11 = 33

-x² - 11x + 3x + 33

-x² - 8x + 33

The formula for finding the x coordinate of a vertex in a quadratic equation is:

x = \frac{-b}{2a}

Plug known variables in:

x = \frac{-(-8)}{2(-1)}

x = \frac{8}{-2}

x = -4

Now, to find the y coordinate, plug this variable back into the quadratic equation:

-x² - 8x + 33

y = -(-4^2) - (32) + 33\\y = -16 + 32 + 33\\\\

y = 49

So the y coordinate of the vertex is 49.

Hope this helps!

4 0
3 years ago
What is the slope of the line with points A and B?
Zanzabum

Answer:

you will have to get the graph :\

Step-by-step explanation:

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4 0
3 years ago
5y = 10x + 15<br> convert to slope-intercept form
Evgesh-ka [11]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Henry combines 7.49 litters of red paint with 6.26 litters of red paint and pours it in to 4 container with 0.43 litters of pain
11111nata11111 [884]
To find the answer we start by adding the contents of both containers together
7.49 + 6.26 = 13.75
Since we know that there is leftover paint we are going to subtract the leftovers from the total of combined paint
13.75 - 0.43 = 13.32
The combined paint is poured into 4 containers so we divide our combined total minus the leftovers by 4
13.32/4 = 3.33
Answer: There are 3.33 liters of paint in each container
5 0
3 years ago
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