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3 years ago

PLEASE HELP WITH BOTH!!! MARKING BRAINLIEST

Mathematics

1 answer:

NikAS [45]3 years ago

5 0

Answer: The perpendicular distance between the two parallel sides of a trapezium is known as the height of a trapezoid. In simple words, the base and height of a trapezoid are perpendicular to each other. The trapezoids can be both right trapezoids (two 90-degree angles) and isosceles trapezoids (two sides of same length).

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7) Find the distance between the points B(-2, 14) and C(3, 8) to the nearest tenth.

RoseWind [281]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points} \\\\ B(\stackrel{x_1}{-2}~,~\stackrel{y_1}{14})\qquad C(\stackrel{x_2}{3}~,~\stackrel{y_2}{8})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ BC=\sqrt{[3-(-2)]^2+[8-14]^2}\implies BC=\sqrt{(3+2)^2+(8-14)^2} \\\\\\ BC=\sqrt{25+36}\implies BC=\sqrt{61}\implies \stackrel{\textit{rounded up}}{BC=7.8}$

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3 years ago

Kelvin rolls a dice twice. The first number he gets is 4. The sum of the two numbers is smaller than 8. Which number CANNOT be t

VLD [36.1K]

Answer:

5, 6

Step-by-step explanation:

When Kelvin rolls the dice twice, he can't get more than a 4 because if he did, the sum of the two numbers would be more than a 8. So, the numbers that cannot be the second number is 5 and 6.

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3 years ago

Select all the equations where z=5 is a solution.

Katarina [22]

Answer:

A,D,E

Step-by-step explanation:

A) (5)+3=8

D)12x5=60

E) 12+5=17

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3 years ago

Find the equation of the line that passes through the point left-parenthesis 1 comma 8 right-parenthesis and is perpendicular to

Furkat [3]

Don't be shy about using actual parentheses and commas.

Line through (1,8) perpendicular to

$-\dfrac 4 5 x + \dfrac 5 4 y = -4$

The perpendicular family is gotten by swapping the coefficients on x and y, negating exactly one of them. The constant is given directly by the point we're through:

$\dfrac 5 4 x + \dfrac 4 5 y = \dfrac 5 4 (1) + \dfrac 4 5 (8) = \dfrac 5 4 + \dfrac{32}{5}$

Let's clear the fractions by multiplying both sides by 20.

$25x + 16y = 25 + 128 = 153$

Might as well stop here.

Answer: 25 x + 16 y = 153

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3 years ago

Calculate the wavelength for gamma radiation in meters having a frequency of 5x10¹⁹ Hz

pantera1 [17]

Answer:

23,524

Step-by-step explanation:

Glad to help

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3 years ago