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3 years ago

Help me ..... im stuck here

Mathematics

1 answer:

Jobisdone [24]3 years ago

4 0

The answer is (3p-5pt)/12

remove parenthesis but the terms are connected.

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Given f(x) = 3x + 1, solve for x when f(x) = 7.

irakobra [83]

Answer:

f(7) = 22 or x =2

Step-by-step explanation:

f(x) = 3x + 1
f(7) = 3(7) + 1
f(7) = 21 + 1
f(7) = 22

<u>Or if the equation meant it like this:</u>

f(x) = 3x + 1
7 = 3x + 1
6 = 3x
2 = x

4 0

3 years ago

Read 2 more answers

Write one number as a fraction of another and please explain.

nadezda [96]

48 develop a fault out of the total built which is 2400 therefore
48/2400
If needs to be simplified then 1/50

8 0

2 years ago

The chairlift at a ski resort rises a total of 2600 feet from where it starts. The angle of elevation is about 22.3 degrees. How

Monica [59]

Answer:

6852 feet .

Step-by-step explanation:

Refer the attached figure

The chairlift at a ski resort rises a total of 2600 feet from where it starts. i.e.AB = 2600 feet

The angle of elevation is about 22.3 degrees.i.e.∠ACB= 22.3°

We are supposed to find How far do riders travel on the lift i.e.AC

In ΔABC

We will use trigonometric ratio

$Sin\theta =\frac{Perpendicular}{Hypotenuse}$

$Sin22.3^{\circ} =\frac{AB}{AC}$

$AC=\frac{2600}{Sin22.3^{\circ}}$

$AC=\frac{2600}{0.379456159529}$

$AC=6851.9$

So, riders travel 6852 feet .

3 0

3 years ago

Read 2 more answers

Country A, Country B, and Country C won a total of 130 medals. Country B won 10 more medals than Country C. Country A won 38 m

snow_lady [41]

Answer:

Country A = 84

Country B = 28

Country C = 18

Step-by-step explanation:

Country A, Country B, and Country C won a total of 130 medals;

A + B + C = 130 ......1

Country B won 10 more medals than Country C;

B = C + 10 .......2

Country A won 38 more medals than the total amount won by the other two;

A = B + C + 38 ........3

Substituting equation 3 to 1;

(B+C+38) + B+C = 130

2B + 2C + 38 = 130 .......4

Substituting equation 2 into 4;

2(C+10) + 2C + 38 = 130

4C + 58 = 130

4C = 130-58 = 72

C = 72/4 = 18

B = C + 10 = 18 + 10 = 28

A = B + C + 38 = 18 + 28 + 38 = 84

Country A = 84

Country B = 28

Country C = 18

8 0

3 years ago

In 1999, total revenue of a company from music sales and licensing was $14.8 billion. It was forecasted that this number would

alukav5142 [94]

Answer:

62. 84%

Step-by-step explanation:

total revenue of a company from music sales and licensing in 1999 = $14.8 billion

Foretasted total revenue of a company from music sales and licensing in 2014 = $5.5 billion

decrease in revenue of a company from music sales and licensing in 2014 from 1999 = $14.8 billion - $5.5 billion = 9.3 billion

Therefore percentage decrease in music revenue =( difference in revenue from 1999 to 2014/ revenue in 1999 ) * 100

$(9.3 \ billion/14.8 \ billion) * 100\\=> 0.6284 *100 \\=> 62.84 %\\$

percent decrease in music revenue is 62. 84%.

3 0

3 years ago

Help me ..... im stuck here​

Help me ..... im stuck here