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ch4aika [34]
4 years ago
12

Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in.

Mathematics
1 answer:
UNO [17]4 years ago
8 0
The estimated percent error is 2.75
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This is so confusing...
Ainat [17]
It's less confusing if you only think about one of them at a time.

A).
Change the whole thing to all inches.
(Multiply the 8-ft by  12inches/foot.)
Then, when you have it all in one number of inches,
multiply that number of inches by  (2.54 centimeters/inch).

B).
1 ounce is the weight of 28.35 grams (on Earth).
Multiply the 300g by  (1 ounce / 28.35 g).

C).
Multiply the liters by (0.264 gallon/liter)
Multiply the km by (1 mile / 1.609 km).
Then you'll have a fraction that actually means
                 (a number of gallons) divided by (a number of miles).
Do the division, and you'll have the gallons per mile.

D).
The area of any rectangle is (length) times (width).
The area of this living room is (13-ft times 14-ft), and that's in square feet.
You know how much 1 square foot of carpet costs.
Just multiply that price by the number of square feet that you need.
6 0
4 years ago
A triangle has vertices at A (1, 3), B (4, 2), and C (3, 8). Which transformation would produce an image with vertices A¢(-1, 3)
olya-2409 [2.1K]

Answer:

Reflection across the Y axis

Step-by-step explanation:

If you plot each point of the triangle in its before and after positions you are able to see that the triangle's original shape was reflected across the Y axis to reach its end form.

Think about a rubik's cube rolling if you are struggling with reflections.

5 0
4 years ago
I need some help on this problem, please. Thank you. Picture attached
Nonamiya [84]
The answer is the second one...

f(x) = √(x + 2)

notice that when x = -2 (as we can see on the diagram, y will be equal to 0.

√(-2 +2) = √(0) = 0


Follow my account. (:
5 0
3 years ago
if today's uv index is,8 Erin will burn in 15 minutes without sunscreen. if erin puts on lotion with an sp of 25,how long will s
3241004551 [841]
24 hours i think i could be wrong
7 0
3 years ago
Read 2 more answers
Simplify 625 ^-3/4 <br> THANKS
Marrrta [24]
The answer to your question is 1/125
6 0
3 years ago
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