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Leto [7]
3 years ago
11

1. 7(6-(-4)) What is this I don’t know

Mathematics
2 answers:
Makovka662 [10]3 years ago
7 0

Answer:

70

Step-by-step explanation:

1 you take the parenthese off 6 minus -4 which equals 10 bc when you subtract a negative form a positve it adds them together so now you have 10 then you would do 10 multilied by 7 bc the 7 is outside of the parentheses so you divide and you get your answer which is 70

Marina CMI [18]3 years ago
5 0
So you would start with removing the parentheses so 6- - 4 would be 6+4 because the double negative and then that would be 10 so 7 times 10 so your answer is 70
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Use the properties of 30-60-90 and 45-45-90 triangles to solve for x in each of the problems below. Then decode the secret messa
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The trigonometric function gives the ratio of different sides of a right-angle triangle. The given problems can be solved as given below.

<h3>What are Trigonometric functions?</h3>

The trigonometric function gives the ratio of different sides of a right-angle triangle.

\rm Sin \theta=\dfrac{Perpendicular}{Hypotenuse}\\\\\\Cos \theta=\dfrac{Base}{Hypotenuse}\\\\\\Tan \theta=\dfrac{Perpendicular}{Base}\\\\\\Cosec \theta=\dfrac{Hypotenuse}{Perpendicular}\\\\\\Sec \theta=\dfrac{Hypotenuse}{Base}\\\\\\Cot \theta=\dfrac{Base}{Perpendicular}\\\\\\

where perpendicular is the side of the triangle which is opposite to the angle, and the hypotenuse is the longest side of the triangle which is opposite to the 90° angle.

1st.) x = 5 /Sin(30°)

x = 10

!) sin(45°) = 4/x

x = 4/sin(45°)

x = 4√2

I) Cos(45°) = √3 / x

x = √3 / Cos(45°)

x = √6

E) Tan(60°) = 3√3 / x

x = 3√3 / 3

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x = 45°

N) x² + x² = (7√2)²

x = 7

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K) x² + x² = (9)²

x = 9/√2

Y) Sin(60°) = 7√3/x

x = 14

M) Sin(30°) = x/11

x = 11/2

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x = √5

A) x + 2x + 90° = 180°

x = 30°

O) Sin(45°) = √2 / x

x = 2

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x = 5√3 / 3

Learn more about Trigonometric functions:

brainly.com/question/6904750

#SPJ1

5 0
1 year ago
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Alex_Xolod [135]

Answer:

4

Step-by-step explanation:

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3/4×16/3

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7 0
2 years ago
Ryan is remodeling his kitchen floor, which is 110 square feet. He used
irakobra [83]

Answer:

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Step-by-step explanation:

Step one:

let us highlight the given parameters

Given data

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the size of the bathroom is 28 ft^2

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Step two:

if he used 32 tiles for 110 ft^2 kitchen

he will use x tiles for 28 ft^2 bathroom

cross multiplying we have

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