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yanalaym [24]
3 years ago
7

Ignore the 107 plz help

Mathematics
1 answer:
Sati [7]3 years ago
6 0

Answer:

x = 17°

Step-by-step explanation:

the full angle is 90°

90-73 = 17

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(tan145 + tan 85)/(1-tan145 tan85)
pshichka [43]

Answer:

Step-by-step explanation:

3 0
4 years ago
What is the slope, please​ 18,5 and -18, 5
ValentinkaMS [17]

Answer:

The slope is a zero slope. This means that the line is a straight, horizontal line.

Step-by-step explanation:

Use the slope formula.

m = \frac{\text{rise}}{\text{run}} = \frac{y_2 - y_1}{x_2 - x_1}

5-5/-18-18 = 0/-36

8 0
3 years ago
Find the solution of the system of equations.<br> -9x - 5y = -18<br> 4x + 5y = 33
Rus_ich [418]

Answer:

x=-3, y=9. (-3, 9).

Step-by-step explanation:

-9x-5y=-18

4x+5y=33

---------------

-5x=15

x=15/-5

x=-3

4(-3)+5y=33

-12+5y=33

5y=33-(-12)

5y=33+12

5y=45

y=45/5

y=9

6 0
3 years ago
Read 2 more answers
Solve this system by substitution:<br><br> y = -6x - 3<br><br> -3x - 8y = 24
Nadusha1986 [10]

Answer:

(0,-3)

Step-by-step explanation:

7 0
3 years ago
Hi need help on hw plz help me out my questions is - a rectangle has a length of 14cm and width 9.5cm the length increased by 6%
sweet-ann [11.9K]

Answer:

Part a) 21.9\%

Part b) 82.03\%

Step-by-step explanation:

we know that

The original area of rectangle is equal to

A=(14)(9.5)\ cm^{2}

so

if  the length is increased by 6% and the width is by 15%

then

the new area is equal to

A=[1.06(14)][1.15(9.5)]\ cm^{2}

A=(1.06*1.15)(14)(9.5)\ cm^{2}

A=(1.219)(14)(9.5)\ cm^{2}

The new area is (1.219) times the original area

Part a) Calculate the percentage change in area of the rectangle

1.219-1=0.219

convert to percentage

0.219*100=21.9\%

Part b) what is the original area as a percentage of the increased area of the rectangle?

Divide the original area by the increased area

\frac{(14)(9.5)}{(1.219)(14)(9.5)} =\frac{1}{1.219} \\ \\=0.8203

Convert to percentage

0.8203*100=82.03\%

8 0
4 years ago
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