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defon
3 years ago
7

3^4 + 2 ⋅ 5 = ____. (Input only whole numbers.) Numerical Answers Expected!

Mathematics
1 answer:
lawyer [7]3 years ago
5 0
Used BEDMAS
[Brackets, exponents, division, multiplication, addition, subtraction]

E= 3^4= 81
M= 2•5= 10
A= 81+10= 91

Answer= 91
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Set up multiplication/division of proportions to cancel out units that you don't want and to introduce units that you do want in your final solution...

2678cm(in/2.54cm)(ft/12in)=2678/30.48 ft≈87.86 ft  (to nearest hundredth)
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Identify the vertex for the graph of y = 2x2 + 8x − 3. (2, 21) (2, 17) (−2, −11) (−2, −27)
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\bf \textit{vertex of a vertical parabola, using coefficients}
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5 0
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What is the percent of decrease from 20 to 15?
sattari [20]
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3 0
3 years ago
Anais bought yards of ribbon. she had feet inches of ribbon left after trimming some curtains. how many inches of ribbon did ana
castortr0y [4]

<u>Anais bought </u><u>2 1/2 yards</u><u> of ribbon. She had </u><u>2 feet 8 inches</u><u> of ribbon left after trimming some curtains. Anais uses 58 inches of ribbon to trim the curtains.</u>

What is Unit Conversion?

  • Conversion of one unit to another unit of measurement for the same quantity using multiplication/division by conversion factors is known as unit conversion.
  • The units are expressed using scientific notation and converted into numerical values as per the quantities.

Anais bought 2 1/2 yards of ribbon.

And she had 2 feet 8 inches left after trimming some curtains.

The first thing to do is to convert all units to inches;

From standard conversion rate.

1 yard  = 36 inches

As such  2 1/2 yards of ribbon in inches will be:

= 2 1/2 × 36 inches

= 5/2 × 36 inches

= 5 × 18 inches

= 90 inches of ribbon bought.

Similarly, since 1 foot  = 12 inches.

The amount of curtains left after trimming is:

= ( ( 2 × 12 ) + 8 )inches

= (24 + 8) inches

= 32 inches

If Anais bought 90 inches of ribbon and she had 32 inches of ribbon left after trimming some curtains.

It implies that the number of inches of ribbon that Anais used is:

= 90 inches - 32 inches

= 58 inches

Therefore, we can conclude that Anais used 58 inches of ribbon.

Learn more about  Unit Conversion

brainly.com/question/2495501

#SPJ4

<u>The complete question is-</u>

Anais bought 2 1/2 yards of ribbon. She had 2 feet 8 inches of ribbon left after trimming some curtains. How many inches of ribbon did Anais use to trim the curtains?

Anais used _____ inches of ribbon.

6 0
1 year ago
I really need help on these few questions. I real deal don't understand them so anyone who does can you please help me?
belka [17]
This looks really hard :(
3 0
3 years ago
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