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Anna71 [15]
3 years ago
12

WILL GIVE BRAINLIEST!!!!!!

Mathematics
1 answer:
Crank3 years ago
7 0

Answer:

17.738

Step-by-step explanation:

to find x we’ll use sine

sin69=x/19

(remember that sine = opposite/hypotenuse)

so x = 19sin69

when typing this in your calculator you might need to change from radian to degree mode

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3x + 5y = 30
GrogVix [38]

Answer:

y= - \frac{3x}{5}  + 6

Step-by-step explanation:

The given linear equation is

3x + 5y = 30

To solve for y, we first subtract 3x from both sides to obtain:

5y = 30 - 3x

Divide through by 5

\frac{5y}{5}  =  \frac{30}{5}  -  \frac{3x}{5}

This simplifies to

y= 6-  \frac{3x}{5}

Or

y= - \frac{3x}{5}  + 6

3 0
3 years ago
Pleaz Helpz!!! I needz this done before my final!!!
Marta_Voda [28]

the perimeter of the field is 442

width=w

the length of the field is 9 yards less than quadruple W

L=4x - 9

the perimeter is P=2L+2W

you can plug in the values

P= 2(4w-9) + 2W

plug in 442 for P

442= 2(4w- 9) + 2W

442= 8w - 36 + 2W

478 =8w + 2W

478= 10W

47.8 is your answer!!!

4 0
2 years ago
I need help please and thank you
eduard
36 centimeters is the answer to this question because 3*6*2 is the equation used
7 0
3 years ago
Read 2 more answers
What s the midpoint of the line segment with endpoints (3.5,2.2) and (1.5,-4.8)
Natali5045456 [20]

Answer:

First, you must find the midpoint of the segment, the formula for which is  

(

x

1

+

x

2

2

,

y

1

+

y

2

2

)

. This gives  

(

−

5

,

3

)

as the midpoint. This is the point at which the segment will be bisected.

Next, since we are finding a perpendicular bisector, we must determine what slope is perpendicular to that of the existing segment. To determine the segment's slope, we use the slope formula  

y

2

−

y

1

x

2

−

x

1

, which gives us a slope of  

5

.

Perpendicular lines have opposite and reciprocal slopes. The opposite reciprocal of  

5

is  

−

1

5

.

We now know that the perpendicular travels through the point  

(

−

5

,

3

)

and has a slope of  

−

1

5

.

Solve for the unknown  

b

in  

y

=

m

x

+

b

.

3

=

−

1

5

(

−

5

)

+

b

⇒

3

=

1

+

b

⇒

2

=

b

Therefore, the equation of the perpendicular bisector is  

y

=

−

1

5

x

+

2

.

Related questions

What is the midpoint of the line segment joining the points (7, 4) and (-8, 7)?

How would you set up the midpoint formula if only the midpoint and one

Step-by-step explanation:


5 0
3 years ago
Read 2 more answers
What is 145% of 90 help me please<br>​
Pachacha [2.7K]

Answer:

130.5

Step-by-step explanation:

<em>145% of 90 = 145% * 90</em>

<em>145% = 1.45</em>

Substitute: 1.45 * 90

Multiply: 130.5

4 0
3 years ago
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