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34kurt
3 years ago
8

9.9 ft 7.2 ft The figure above shows a movie screen with dimensions shown in feet. What is the length of the diagonal of the scr

een, in feet? Give the exact solution or round your answer to the nearest tenth of a foot.​

Mathematics
1 answer:
Temka [501]3 years ago
3 0

Answer:

12.2

Step-by-step explanation:

use the Pythagorean theorem to determine the diagonal

9.9^2 + 7.2^2 = d^2

d = 12.2

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Could someone help I’m so confused
oksano4ka [1.4K]

Answer:

6/4

Step-by-step explanation:

ratio of x to y is the slope so

you can use butterfly method/cross multiply (multiply numerator on one side to the denominator on the other to bring all the terms up and then solve for y)

4(y+3)=6(x+2)

4y+12=6x+12

y=6/4x

so it would be 6/4

4 0
3 years ago
HELP PLSSS IT'S A FINALLL!!!!!!!!!!! WILL GIVE BRAINLEST AND 50 POINTS!!!! PLEASE PLEASE PLEASE HELP!!!!
Lelu [443]

Answer:

Step-by-step explanation:

1). By applying Pythagoras theorem in the triangle formed by two sides and the diagonal,

Length of the diagonal = \sqrt{(\text{side})^2+(\text{side})^2}

                                      = (\text{side})\sqrt{2}

                                      = 25√2

                                AC ≈ 35.56 units

2). Since, diagonal of a square is the angle bisector of interior angles of the square,

m∠CAB = 45°

By applying sine rule in ΔABC,

sin(45°) = \frac{\text{Opposite side}}{\text{Hypotenuse}}

\frac{1}{\sqrt{2}}=\frac{AB}{AC}

\frac{1}{\sqrt{2}}=\frac{25}{AC}

AC = 25√2

AC ≈ 35.56 units

4 0
3 years ago
I can find a simplified expression for the perimeter of a square with a side length of (2x-4)
ELEN [110]

perimeter = 8x - 16

A square has 4 sides of equal length, multiply length of side by 4

perimeter = 4(2x - 4) = 8x - 16


4 0
4 years ago
Which expression represents the difference of (5x-3y) and (8x+8y)?
artcher [175]

Given:

The expressions are:

(5x-3y) and (8x+8y)

To find:

The difference of (5x-3y) and (8x+8y).

Solution:

Difference of (5x-3y) and (8x+8y) is written as:

Difference=(5x-3y)-(8x+8y)

On simplification, we get

Difference=5x-3y-8x-8y

Difference=(5x-8x)+(-3y-8y)

Difference=-3x-11y

Therefore, the difference of (5x-3y) and (8x+8y) is -3x-11y.

6 0
3 years ago
school a has 480 students and 16 in classroom School B has 192 students and 12 classroom what is the ratio of students in classr
galben [10]
School a - 480:16

School b - 192:12
8 0
4 years ago
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