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tresset_1 [31]
3 years ago
7

I need this please help me

Mathematics
1 answer:
IgorLugansk [536]3 years ago
4 0
Weak positive i believe
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Consider kite WXYZ. What are the values of a and b? a = 4; b = 10. a = 4; b = 40, a = 8; b = 10, a = 8; b = 40
Brut [27]

Check the picture below.

let's recall that a kite is a quadrilateral, and thus is a polygon with 4 sides

sum of all interior angles in a polygon

180(n - 2)      n = number of sides

so for a quadrilateral that'd be 180( 4 - 2 ) = 360, thus

\bf 3b+70+50+3b=360\implies 6b+120=360\implies 6b=240 \\\\\\ b=\cfrac{240}{6}\implies b=40 \\\\[-0.35em] ~\dotfill\\\\ \overline{XY}=\overline{YZ}\implies 3a-5=a+11\implies 2a-5=11 \\\\\\ 2a=16\implies a=\cfrac{16}{2}\implies a=8

3 0
3 years ago
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In a survey, 150 people were asked if they smoke and whether or not they exercise regularly (more than twice a week). The result
s2008m [1.1K]
(a) 28%

(b) 24%

When calculating the total amount of people it come out to 150.

According to the table 42 people smoke. 42/150 is 28%

According to the table 36 people exercise regularly. 36/150 is 24%
7 0
2 years ago
A right triangle has a height of 20 cm and a base of 10 cm. What is the area of the triangle? (A = 1/2 bh)
alisha [4.7K]

Answer:

100 because its way too ez

7 0
2 years ago
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A flagpole 1400 cm tall is how many meters tall?
iogann1982 [59]
Your answer would be 14 meters
4 0
3 years ago
Find the equation of the line using exact numbers
Katen [24]

Answer:

y = - \frac{1}{3} x + 5

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = \frac{y_{2-y_{1} } }{x_{2-x_{1} } }

with (x₁, y₁ ) = (0, 5) and (x₂, y₂ ) = (3, 4) ← 2 points on the line

m = \frac{4-5}{3-0} = \frac{-1}{3} = - \frac{1}{3}

the line crosses the y- axis at (0, 5 ) ⇒ c = 5

y = - \frac{1}{3} x + 5 ← equation of line

6 0
1 year ago
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