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kipiarov [429]
3 years ago
9

Simplify the expression: 3(1 + 5x) =

Mathematics
1 answer:
Mrac [35]3 years ago
6 0

Answer:

3 + 15x

Step-by-step explanation:

3(1 + 5x)

Open the brackets:

3*1 + 3*5x = 3 + 15x

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THIS IS DUE IN 3 MINUTES HELPP!!!!
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Answer:

C

Step-by-step explan:

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The work of a student to solve a set of equations is shown:
Serhud [2]
In step 2 .. because when you multiple by -4 in step 1 , the equation in step 2 will be ( -4y =-16 + 8z)
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3 years ago
PLS HELP ASAPPP plsss
Anna71 [15]

Answer:

27.5

Step-by-step explanation:

this is the trigonometric ratio.. we are looking for d... that is the opposite... any side facing the angel is the opposite.... so the longest side of the right angle triangle is the hypotenuse........ so you are looking for the opposite and you are giving the hypotenuse.... so the easiest way to know how to find it is by using this way...... SOH CAH TOA..... the first words stand for sin cosine and tangent of angles.... we are using sin.... because it says opposite / hypotenuse... and as you can see the angle which is 39 degree we will use sin 39.....what will be sin 39=d/30m....then ull cross multiply.... d=30m* sin 39.....

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4 0
3 years ago
(Round to the nearest tenth of a percent.) In 2011, the IRS increased the deductible mileage cost to
RUDIKE [14]

Answer:

\%Change = 8.8\%

Step-by-step explanation:

Given

Initial = 51\ cents

Final = 55.5\ cents

Required

Determine the percentage change

Percentage change is calculated as;

\%Change = \frac{Final - Initial}{Initial} * 100\%

\%Change = \frac{55.5 - 51 }{51 } * 100\%

\%Change = \frac{4.5}{51} * 100\%

\%Change = \frac{4.5* 100\%}{51}

\%Change = \frac{450\%}{51}

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<em>Hence, the percentage change is approximately 8.8%</em>

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2 years ago
Find the volume of the pyramid
podryga [215]

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88 cm^{3}

Step-by-step explanation:

Given 3 measurements 6,11,4

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⇒

Length=  6 cm

Width= 11cm

Height= 4 cm

⇒

\text{Volume of a Pyramid}= \frac{Length \times Width \times Height}{3}

Therefore Volume of Given Pyramid

=\frac{6\times 11\times 4}{3} =\frac{264}{3} =88

⇒Volume of pyramid=88cm^{3}

6 0
3 years ago
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