2 years ago

Please answer it now in two minutes

Mathematics

1 answer:

FrozenT [24]2 years ago

3 0

Answer:

4.5

Step-by-step explanation:

Use sin64=x/5 and simplify to

5sin64 and plug it into a calculator to get 4.49 which is 4.5

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Solve this please with an explanation of process your finding the values of x and y

SpyIntel [72]

Congruent sides, so isosceles triangle. When we have an isosceles triangle the bisector of angle A is a perpendicular bisector of BC with foot D. So x=ADB=90 degrees.

Angle B is 47 degrees and angle y=BAD is complementary, the other acute angle in a right triangle.

y = 90 - 47 = 43

Answer: x=90, y=43

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2 years ago

Nine hundred people who attended a movie were asked whether they enjoyed it. The table shows the results.

andrew11 [14]

Answer:

184

Step-by-step explanation:

I took the amount of children, 461, and subtracted the amount of adults surveyed.

461 - 277 = 184

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2 years ago

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s2008m [1.1K]

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2 years ago

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Kaylis [27]

$\sf \rightarrow y^2 - 3y - 4y +12$

factor the common term 'y' and '-4'

$\sf \rightarrow y(y - 3) - 4(y - 3)$

collect into groups

$\sf \rightarrow (y- 4)(y - 3)$

$\sf \rightarrow 9x^2 - 12x + 4$

middle term split

$\sf \rightarrow 9x^2 - 6x - 6x+ 4$

factor the common term '3x' and '-2'

$\sf \rightarrow 3x(3x - 2) -2( 3x-2)$

collect into groups

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1 year ago

Find x if f(x)=2x+7 and f(x)=-1

Natalija [7]

Answer:

$x = -4$

Step-by-step explanation:

$~~~~~~f(x) = -1\\\\\implies 2x +7 = -1\\\\\implies 2x = -1 - 7\\\\\implies 2x = -8 \\\\\implies x = -\dfrac 82 \\\\\implies x = -4$

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1 year ago