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3 years ago

jenns age is 3 years less than marks age the sum of their ages is 30 let m be marks age find Jenna age

Mathematics

1 answer:

melamori03 [73]3 years ago

7 0

Answer:

you could do 27+x=30

Step-by-step explanation:

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Jamal has 1240 song on his mp3 player, and 40% of the songs are rock songs. how many are not rock songs?

Colt1911 [192]

Total songs = 1240
Rock songs = 40%
Songs that are not rock = 100 - 40 = 60%

It would be: 1240 * 60% = 1240 * 0.60 = 744

In short, Your Answer would be 744

Hope this helps!

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3 years ago

2 y + 7 = 5(x - 3) What is the standard form for this?

lesya [120]

Answer:

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Step-by-step explanation:

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3 years ago

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A regular hexagon has sides of 3 feet. What is the area of the hexagon?

frosja888 [35]

Answer:

$13.5\sqrt{3}\:\text{ft}^{2}$

Step-by-step explanation:

Given: The side of a regular hexagon is 3 feet.

To find: Area of the hexagon

Solution:

It is given that the side of a regular hexagon is 3 feet.

We know that the area of a regular hexagon whose side is a units is $\frac{3\sqrt{3} }{2} a^{2}$

Here, the side is 3 feet

So, area of the regular hexagon

$=\frac{3\sqrt{3} }{2} \times3^{2}$

$=\frac{3\sqrt{3} }{2} \times9$

$=\frac{27\sqrt{3} }{2}$

$=13.5\sqrt{3}\:\text{ft}^{2}$

Hence, area of the regular hexagon is $13.5\sqrt{3}\:\text{ft}^{2}$

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3 years ago

For the right triangle shown, which expression represents the length of CA?

Nataly [62]

Answer:

b. 5tan(25°)

Step-by-step explanation:

The tangent function gives the ratio between the side opposite and the side adjacent to the angle. That is ...

tan(25°) = ?/5

Multiplying by 5 solves the equation:

? = 5·tan(25°)

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4 years ago