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Pepsi [2]
2 years ago
9

An 11-foot ladder is leaning against a wall as represented in the figure below.

Mathematics
2 answers:
vova2212 [387]2 years ago
5 0

Answer:

Step-by-step explanation:

Slav-nsk [51]2 years ago
4 0

Answer:

11/2

Step-by-step explanation:

sin 30 degrees = .5

11*.5

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HELP!!! MARKING BRAINLIEST
Ilya [14]

Answer:

Not trying to take points but it is too blurry I can’t  see it

Step-by-step explanation:

4 0
2 years ago
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Solve for the variable. 3/4x = -24​
sleet_krkn [62]

Hello!

Answer:

\huge\boxed{x = -32}

3/4x = -24

To isolate the "x" variable, divide both sides by 3/4 (multiply by its reciprocal, or 4/3)

3/4x · 4/3 = -24 · 4/3

x = (-24 · 4) / 3

x = -32.

8 0
3 years ago
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MONA LISA A visitor to the Louvre Museum in Paris wants to sketch a drawing of the Mona Lisa, a famous painting. The original pa
nydimaria [60]
You need to find a scale factor of dilation (probably contraction) to make the replica.

Given that the units of the original painting are centimeters and the units of the sheet of paper are in inches, you have to convert one of the units.

I choose to covert inches to centimeters.

To do that, use the conversion factor 1 = 2.54 cm / inch

=> 8.5 in * [2.54 cm/in] = 21.59 cm

=> 11 in * [2.54 cm/in] = 27.94 cm

Now determine the scale factor to convert 77 cm to 27.94 cm and 53 cm to 21.59 cm. That just require use of division operation:

77 / 27.94 = 2.76

53 / 21.59 = 2.45

Then the higher scale factor is the relevant one, and you have to reduce the original painting by a factor of (1 / 2.76) which will lead to fit in the sheet of paper.

  
7 0
3 years ago
Given bac find A if dbc 49<br>A.41<br>B.49<br>C.82<br>D.90
podryga [215]

Answer:

A. 41°

Step-by-step explanation:

The triangle is isosceles, so A is congruent to C, which is the complement of ∠DBC.

... ∠A = 90° -49° = 41°

4 0
3 years ago
If a and b are both positive, two-digit integers, is a + b a multiple of 11? The tens digit of a is equal to the units digit of
Serhud [2]

Answer:

Yes!

Step-by-step explanation:

Let x be the tens place and y be the units place. x and y need to be odd because in other case a or b will not be odd. For example, if x=1 and y=2 a will be 21 but b will be 12 that is not odd.

Now, a+b = xy+yx. Note that xy is not x*y, is just the digits concatenated.Then, there are two cases:

If x+y<10 then xy+yx = (x+y)(x+y) (again, that is not a multiplication is x+y concatenated with x+y) and that is 11*(x+y) a multiple of 11.

If x+y≥10 then xy+yx = (x+y+1)(x+y-10) because x+y<20.

Now we are going to see that last result without the concatenation, as a sum, that is

(x+y+1)*10 + x+y-10 = 10x+10y+10+x+y-10 = 11x+11y = 11(x+y). This result is clearly a multiple of 11.

In conclusion, in all cases the result of a+b is a multiple of 11.

6 0
3 years ago
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