2 years ago

Which shapes have 2 obtuse angles? choose

Mathematics

1 answer:

brilliants [131]2 years ago

7 0

Answer:

a trapizoid has 2 obtuse angles

Step-by-step explanation:

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-3(10+-5)/(10-(-5))^2

marysya [2.9K]

Answer:

Step-by-step explanation:

-3(10 + (-5) / (10 - (-5))^2 =

-3(10 - 5) / (10 + 5)^2

-3(5) / (15^2)

-15 / 225 reduces to -1/15

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3 years ago

If -2 is the root of the quadratic equation x^2-5x+c=0 <br><br>find the value of c

GaryK [48]

Answer:

c=-x^2+5x

Step-by-step explanation:

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2 years ago

Mrs.Hall records the heights of 50 students in a spreadsheet. The mean height is 68 inches. After looking at the data again, she

son4ous [18]

After removing the outliers, the new total of student heights is
68*50 -82 -86 = 3232
so the new mean is
3232/48 = 67.33

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3 years ago

Please could someone help me?

Sonja [21]

Answer:

∠ XZY ≈ 23.6°

Step-by-step explanation:

Using the sine ratio in the right triangle

sin Z = $\frac{opposite}{hypotenuse}$ = $\frac{XY}{YZ}$ = $\frac{6}{15}$ , thus

Z = $sin^{-1}$ ( $\frac{6}{15}$ ) ≈ 23.6° ( to 1 dec. place )

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3 years ago

Read 2 more answers

Solve the literal equation for x. <br><br> w=5+3(x−1)

ICE Princess25 [194]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

x = w/3 - 2/3

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3 years ago