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stira [4]
3 years ago
12

(01.03 MC) Jolie can read around 14 sentences per minute of her current novel. She wants to finish her reading before the movie

comes out next week. If she has 17 pages left to read and each page has about 120 sentences, how many hours should Jolie set aside to complete her reading?
Mathematics
1 answer:
agasfer [191]3 years ago
8 0
Jolie should set aside 2.5 hours.
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You deposit $100 in your bank account. The account earns 2% simple interest in 5 years. How much interest did you earn?
aniked [119]
Answer is $110.4080803 or $110.41 rounded
7 0
3 years ago
The cost of a pair of jeans was changed from $47 to $42.13. what was the percent change?l
My name is Ann [436]

Answer:

10.4%

Step-by-step explanation:

\$47 \:to \:  \$42.13\\\\47 - 42.13\\\\= \$4.87\\\\= \frac{4.87}{47}  \times 100\\\\\frac{487}{47} \\\\=10.36 \\= 10.4 \%

6 0
3 years ago
1+secA/sec A = sin^2 A / 1-cos A​
Fofino [41]

Answer:  see proof below

<u>Step-by-step explanation:</u>

\dfrac{1+\sec A}{\sec A}=\dfrac{\sin^2 A}{1-\cos A}

Use the following Identities:

sec Ф = 1/cos Ф

cos² Ф + sin² Ф = 1

<u>Proof LHS → RHS</u>

\text{LHS:}\qquad \qquad \dfrac{1+\sec A}{\sec A}

\text{Identity:}\qquad \qquad \dfrac{1+\frac{1}{\cos A}}{\frac{1}{\cos A}}

\text{Simplify:}\qquad \qquad \dfrac{\frac{\cos A+1}{\cos A}}{\frac{1}{\cos A}}\\\\\\.\qquad \qquad \qquad =\dfrac{1+\cos A}{1}

\text{Multiply:}\qquad \qquad \dfrac{1+\cos A}{1}\cdot \bigg(\dfrac{1-\cos A}{1-\cos A}\bigg)\\\\\\.\qquad \qquad \qquad =\dfrac{1-\cos^2 A}{1-\cos A}

\text{Identity:}\qquad \qquad \dfrac{\sin^2 A}{1-\cos A}

\text{LHS = RHS:}\quad \dfrac{\sin^2 A}{1-\cos A}=\dfrac{\sin^2 A}{1-\cos A}\quad \checkmark

3 0
4 years ago
Please can you simplify -x+2z+x+2y
slavikrds [6]

Answer:

2y + 2z

Step-by-step explanation:

-x + 2z + x + 2y

= (-1 + 1)x + 2y + 2z

= 2y + 2z

Hope this helped!

3 0
3 years ago
Name all sets of real to which each numbers belongs 2/3?
timofeeve [1]

Natural - Natural numbers include only positive whole numbers beginning with 1.

<em>Ex. 1, 2, 3, 4, 5.....</em>

Whole - Whole numbers include all Natural Numbers and 0.

<em>Ex. 0, 1, 2, 3, 4, 5....</em>

Integer - All Whole and Natural Numbers, and negative non-decimal numbers.

<em>Ex. .... -2, -1, 0, 1, 2, 3....</em>

Rational - All Natural and Whole Numbers and Integers.  Also included all repeating decimals and terminating decimals. (No never-ending, no pattern decimals.)

<em>Ex. 2/3, -1.5, 1, 2, -8...</em>

Real - All Natural and Whole Numbers, Integers, and Rational Numbers.

8 0
4 years ago
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