4 years ago

Explain how you determine whether your estimate is an overestimate or underestimate

1 answer:

Montano1993 [528]4 years ago

8 0

If your number is smaller than the actual number, you underestimated. If it is larger, you overestimated. Please mark Brainliest!!!

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Together, two wildlife refuge tour guides lead nine 45-minute tours each day. The wildlife refuge needs to calculate the person-

andrew-mc [135]

C 13.5 bubble id the best choice

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3 years ago

Compute 1 + 2 + 3 +....+ 1,997 + 1,998 + 1,999

sp2606 [1]

Answer:

1 999 000

Step-by-step explanation:

Formula:

$1+2+3+.\ .\ .+n=\frac{n\times \left( n+1\right) }{2}$

………………………………………

Then

$1+2+3+....+1997+1998+1999=\frac{1999\times \left( 1999+1\right) }{2}$

$1+2+3+....+1997+1998+1999=\frac{1999\times \left( 2000\right) }{2}$

$1+2+3+....+1997+1998+1999=\frac{3998000 }{2}$

$1+2+3+....+1997+1998+1999=1999000$

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2 years ago

What error was made? -4(6 - b) = 4 -24 - 4b = 4 -4b = 28 b = -7

lisov135 [29]

Answer:

step 2; a negative times a negative = a positive.

Step-by-step explanation:

-4(6-b)=4

-24 +4b=4

4b=28

b=7

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3 years ago

A recipe calls for 4 L of water. Arlene wants to make 0.3 more servings than the recipe makes.

podryga [215]

I think it's B. 13/10 * 4 Explanation: It's +0.3 more servings, so it would rule out C and D, which uses the digit 7(nothing to do with this problem. 13/10 instead of 3/10 because it's adding 0.3. More than 4L

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3 years ago

How to solve for x and y? Cant figure out how to make an equation?

Nady [450]

8y-4x=2x+12y
x+2y+8y-4x=180
10y-3x=180
x+2y+2x+12y=180
14y+3x=180
24y=360
y=15
8(15)-4x=2x+12(15)
120-4x=2x+180
120=6x+180
-60=6x
x=-10

7 0

3 years ago