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ad-work [718]
3 years ago
11

What is x? x – 15 = 40

Mathematics
2 answers:
scZoUnD [109]3 years ago
7 0

Answer:

x = 55

Step-by-step explanation:

Step 1: Write out equation

x - 15 = 40

Step 2: Add 15 to both sides

x - 15 + 15 = 40 + 15

x = 55

Tom [10]3 years ago
4 0

Answer:

\huge{ \fbox{ \sf{x = 55}}}

Step-by-step explanation:

\star{ \sf{ \: x - 15 = 40}}

\text{Step \: 1 \:  : Move \: 15 \: to \: right \: hand \: side \: and \: change \: its \: sign}

\mapsto{ \sf{x = 40 + 15}}

\text{Step \: 2 \:  : Add \: the \: numbers : 40 \: and \: 15}

\mapsto{ \boxed {\sf{ {x = 55}}}}

Hope I helped!

Best regards! :D

~\sf{TheAnimeGirl}

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Answer:

b. cosx + 6 sinx

Step-by-step explanation:

\frac{d}{dx} ( sinx - 6 cos \: x) \\  \\  = \frac{d}{dx}  sinx  - 6\frac{d}{dx}   cos \: x \\  \\  = cos \: x - 6( - sin \: x) \\  \\  = cos \: x + 6 \: sin \: x

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3 years ago
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Given A={1,2,3}, B={2,4,6} and C={1,2,3,4,5,6}, then A ∩ (B ∩ C) =
oksian1 [2.3K]

Answer:

Step-by-step explanation:

A={1,2,3}

B={2,4,6}

C={1,2,3,4,5,6}

B∩C={2,4,6}

A∩(B∩C)={1,2,3}∩{2,4,6}={2}

4 0
3 years ago
A cylinder has a volume of 288 pi cubic meters and a height of 9 meters. What is the area of the base?
Pavlova-9 [17]

Answer:

The area of the base is about 32 square meters

Step-by-step explanation:

V = pi times r^2 times h which is the formula.

Since the volume is 288, and the height is 9 it is,

288 = pi times r^2 times 9,

288/9 = pi times r^2 times 9/9

32/pi = pi/pi times r^2

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The square root of 10.2 is about 3.19

Area formula is pi times radius, r^2

3.19 times 3.19  or 3.19^2 = 10.1761

10.1761 times pi is 31.96 which is about 32 square meters.

I hope this helps!

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Step-by-step explanation:

6/10 ➗ 2/5

6/10 x 5/2

(6x5)/(10x2)

30/20=3/2

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3 years ago
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