2 years ago

Solve pls brainliest

Mathematics

1 answer:

Olenka [21]2 years ago

5 0

Answer:

Step-by-step explanation:

I Think B is the right answer

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Can someone plz help me with this one problem!!!!

Afina-wow [57]

Answer:

Step-by-step explanation:

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2 years ago

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9x + 11 = 110<br> what is x ?

slavikrds [6]

Answer:

x = 11, lucky you, this stuff is easy

Step-by-step explanation:

110 - 11 = 99

9 x 11 = 99

99 + 11 = 110

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Tina must select and answer in any order seven of ten essay questions on a test. In how many ways can she do so?

gladu [14]

Answer:

There are 127 Possible ways/combinations for this

Step-by-step explanation:

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2 years ago

An equilateral triangle has a height of 10 feet. How long is one of its sides? (Note: In an equilateral triangle, all sides have

lidiya [134]

Answer:

side length is $\frac{20\sqrt{3} }{3}$ feet

Step-by-step explanation:

An equilateral triangle has a height of 10 feet. the height of the triangle is the perpendicular bisector to the base

so it forms a two right angle triangle

the triangle formed is a 30-60-90 degree triangle

the diagram is attached below

Let x be the side if the equilateral triangle

sin(theta)=opposite by hypotenuse

$sin(60)=\frac{10}{x}$

$\frac{\sqrt{3}}{2} =\frac{10}{x}$

cross multiply

$\sqrt{3} x=20$

$x=\frac{20}{\sqrt{3} } =\frac{20\sqrt{3} }{3}$

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3 years ago

Question 2A car dealership has several options for purchasing a new car which includes 7 colours, 6 interior styles, 4 wheelscov

Damm [24]

Answer:

2016 possible combinations

Step-by-step explanation:

7 x 6 x 4 x 4 x 3 = 2016

When finding available combinations, you just take all your numbers with the different options and multiply them :)

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2 years ago