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andreyandreev [35.5K]
3 years ago
14

If the height of the rectangle is 12 ft and the area is 72 ft what is the base of the rectangle

Mathematics
2 answers:
GREYUIT [131]3 years ago
7 0
The Area of a rectangle
A=H*W
72=12*W
72/12=W
W=6
xxMikexx [17]3 years ago
5 0
6 ft is the base of the rectangle
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Convert to exponential form: log 1000=3
Luden [163]
\log_a b=c \hbox{ if } a^c=b \\ \\
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\Downarrow \\
\boxed{10^3=1000}

8 0
3 years ago
During a basketball game, chiyann made 15 baskets. She made three more baskets then twice number of baskets made by whitney. How
Nadusha1986 [10]

Answer:

Whitney made 6 baskets

Step-by-step explanation:

Let the number of baskets made by Whitney be x.

The 15 baskets made by

Chiyann is equal to 2 times plus 3 what Whitney made

Mathematically what she made would be 2x + 3

To get x, we equate this equation to 15

2x + 3 = 15

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7 0
3 years ago
Please someone help me to prove this. ​
morpeh [17]

Answer:  see proof below

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

Use the Double Angle Identity: sin 2Ф = 2sinФ · cosФ

Use the Sum/Difference Identities:

sin(α + β) = sinα · cosβ + cosα · sinβ

cos(α - β) = cosα · cosβ + sinα · sinβ

Use the Unit circle to evaluate: sin45 = cos45 = √2/2

Use the Double Angle Identities:   sin2Ф = 2sinФ · cosФ

Use the Pythagorean Identity: cos²Ф + sin²Ф = 1

<u />

<u>Proof LHS → RHS</u>

LHS:                                  2sin(45 + 2A) · cos(45 - 2A)

Sum/Difference: 2 (sin45·cos2A + cos45·sin2A) (cos45·cos2A + sin45·sin2A)

Unit Circle:    2[(√2/2)cos2A + (√2/2)sin2A][(√2/2)cos2A +(√2/2)·sin2A)]  

Expand:        2[(1/2)cos²2A  + cos2A·sin2A + (1/2)sin²2A]

Distribute:              cos²2A   + 2cos2A·sin2A + sin²2A  

Pythagorean Identity:    1 + 2cos2A·sin2A

Double Angle:                1 + sin4A

LHS = RHS:  1 + sin4A = 1 + sin4A   \checkmark

6 0
3 years ago
it cost $38.96 to fill your gas tank, which holds 14 gallons. find the price per gallon to fill your gas tank
maks197457 [2]

Answer:

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Step-by-step explanation:

8 0
3 years ago
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3 0
3 years ago
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