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Tcecarenko [31]
3 years ago
14

Describe how to round set to the best HELP PLEASE QUICKLY

Mathematics
1 answer:
Molodets [167]3 years ago
4 0
Round the number to the nearest ten or hundredth or thousands ex: 177 you would round it to 200
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One bag of dog food is $32 if I spend a total of $256 how many bags did I buy
Korvikt [17]

Answer:

8 bags

Step-by-step explanation:

256 divide by 32 = 8

5 0
3 years ago
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The height of a triangle is (x - 2) centimeters. The base of the triangle is (x + 7)
likoan [24]
Hmmm I’m not so sure
3 0
3 years ago
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What is the value of x?<br> A. 3<br> B. 9<br> C. 15<br> D. 30
ra1l [238]

Answer:

<em>C. 15</em>

Step-by-step explanation:

Assuming that these segments formed from each parallel line are proportional, x/5 = x-6/3.

Now cross multiply by multiplying each denominator by the opposite numerator, this is so the denominators or bottom numbers of each fraction will cancel.

x/5 = x–6/3 → (3)(x/5) = (3)(x–6/3) → 3x/5 = x–6 →

(5)(3x/5) = (5)(x–6) → 3x = 5(x–6) → 3x = 5x – 30.

The last step is to do the basic algebra to find x:

3x = 5x – 30

–5x –5x

[5x will cancel when you subtract both sides by 5x]

-2x = -30

(-1) (-1)

[2 negatives make a positive when -1 is multiplied by an expression with a negative coefficient]

2x = 30

÷2 ÷2

[divide both sides by 2 to simplify 2x to x]

x = 15

_____

You can also check that both sides are proportional because

5 → x

x = 15

5 → 15

3 → x – 6

x = 15

3 → 9

5 × <u>3</u> = 15

3 × <u>3</u> = 9

7 0
3 years ago
What are the coordinates of the midpoint of the line segment with the endpoints (2,-5) and (8,3)
Papessa [141]
  • Midpoint Formula: (\frac{x_2+x_1}{2} ,\frac{y_2+y_1}{2} )

Plug the coordinates into the midpoint formula and solve as such:

(\frac{2+8}{2} ,\frac{-5+3}{2} )\\\\(\frac{10}{2} ,\frac{-2}{2} )\\\\(5,-1)

<u>Your midpoint is (5,-1).</u>

7 0
3 years ago
PLEASE HELP!!!
Aneli [31]
From the attached graphic, Half-life = ln (.5) / k

Half-life =.693147 / <span>0.1142
= </span><span><span><span>6.0695884413 </span> days

The value of "k" should be negative and should have units associated with it.
</span> </span>

3 0
3 years ago
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