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2 years ago

When is it easiest to find the percent of a number using a decimal??

Mathematics

1 answer:

Anni [7]2 years ago

3 0

I believe when it's a fraction.

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Avery had $25.75 in her wallet. If she bought lunch with 87 dollars from her wallet, how much money did she have in her wallet

NikAS [45]

Answer is D even tho u typo it i still got it so u do 25.75 from 8.00 yw.

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1 year ago

2. At an amusement park, 60% of the people were adults, and the rest were

Aneli [31]

Answer:

Step-by-step explanation:

they had at least 989 people at the amusement park

7 0

2 years ago

What is the possible arrangement for 22 students

lord [1]

$\bf \stackrel{Permutations}{_nP_r=\cfrac{n!}{(n-r)!}}~\hspace{6em}\stackrel{\textit{22 units arranged in groups of 22}}{_{22}P_{22}=\cfrac{22!}{(22-22)!}} \implies _{22}P_{22}=\cfrac{22!}{0!} \\\\\\ _{22}P_{22}=\cfrac{22!}{1}\implies _{22}P_{22}=22!\implies _{22}P_{22}=1124000727777607680000$

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2 years ago

Simplify (-4+6i) (2 - i) (3 +7i)

zlopas [31]

Answer:

−118+34i

Step-by-step explanation:

4 0

2 years ago

The perimeter of a rectangle is equal to 163 yard. The width is 8 more than twice the length. Find the length and width.

Sedaia [141]

Answer:

l = 29.4 yards

w = 66.8 yards

General Formulas and Concepts:

Order of Operations: BPEMDAS
Perimeter of a Rectangle: P = 2w + 2l

Step-by-step explanation:

Step 1: Define

P = 163 yards

w = 2l + 8

l = l

Step 2: Set up equation

P = 2w + 2l

163 = 2(2l + 8) + l

Step 3: Solve for l

Distribute 2: 163 = 4l + 16 + l
Combine like terms: 163 = 5l + 16
Subtract 16 on both sides: 147 = 5l
Divide both sides by 5: 147/5 = l
Rewrite: l = 147/5
Evaluate: l = 29.4 yards

Step 4: Find w

Define: w = 2l + 8
Substitute: w = 2(29.4) + 8
Multiply: w = 58.8 + 8
Add: w = 66.8 yards

4 0

2 years ago