What is 6.9 times .27 equal=

Mathematics

2 answers:

nordsb [41]2 years ago

8 0

Answer:

186.3

Step-by-step explanation:

Butoxors [25]2 years ago

5 0

Answer:

why do you only ask this lol

Step-by-step explanation:

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Add.3/2a+5/2a PLease help!

Wittaler [7]

The answer should be 4a

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3 years ago

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the angle of elevation of the top of a building from a point 80 ft away from the building on level ground is 70° determine the b

MA_775_DIABLO [31]

Draw a triangle with shortest side on the ground (horiz.). The length of this side is 80 feet. Two angles touch the ground: a right angle, and the 70 degree angle.

Then the height of the building is the 2nd shortest side.

The tangent function is the appropriate one to use here:
opp h
tan 70 deg = -------- = ----------
adj 80 ft
h
Since tan 70 deg = 2.75, 2.75 = -------
80 ft

so h = building height = (80 ft)(2.75) = 219.8 ft

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3 years ago

Solve the equation for all real solutions in simplest form.<br> 4y² - 5y-3 = 0

zheka24 [161]

Answer:

y = 5 - $\sqrt{x}$ 73/8 = -0.443 or y = 5 + $\sqrt{x}$ 73/8 = 1.693

Step-by-step explanation:

step 1: Equation

step 2: Trying to factor by splitting the middle term

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3 years ago

So are you good at maths then what is

quester [9]

maybe 28 is the answer...

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2 years ago

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The question that says " a school has 1200 pupils "

Sonja [21]

How many girls like sports? well, what's 2/5 of 1200? well, is just their product, 2/5 * 1200.

how many boys like sports? well, what's 3/5 of 1200? 3/5 * 1200.

$\bf \cfrac{2}{5}\cdot 1200\implies \cfrac{2\cdot 1200}{5}\implies \cfrac{2400}{5}\implies \stackrel{girls}{480}
\\\\\\
\cfrac{3}{5}\cdot 1200\implies \cfrac{3\cdot 1200}{5}\implies \cfrac{3600}{5}\implies \stackrel{boys}{720}
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\textit{how many }\stackrel{students}{pupils}\textit{ like sports?}\qquad 480 + 720$

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2 years ago