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Sladkaya [172]
3 years ago
11

Damaris will be working at the local pool over his nine-week summer break. His net pay will be $123.56 each

Mathematics
1 answer:
lesya [120]3 years ago
8 0
I wish I could help but I’m stúpid ;-;. Good luck finding the answer 00p

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The area of triangle ABC is 1.89 square feet. The measure of side c is ______.
Feliz [49]

we are given

Area is 1.89

A=40

b=2.8

now, we can use area formula

A=\frac{1}{2} c*b*sin(A)

1.89=\frac{1}{2} *c*2.8*sin(40)

now, we can solve for c

we will get

c=2.10023.............Answer

7 0
3 years ago
A farmer builds a fence to enclose a rectangular pasture.He uses 155 feet of fence. Find the total area of the pasture if it is
ICE Princess25 [194]
The area for the perimeter of a rectangle is:
<em>P = 2l + 2w</em>
In this problem, we are given that P = 155 and l = 45.5. To solve for area, we must find w. To do this, plug in the given info and isolate the w like so:
155=2(45.5)+2w \\ 155=91+2w \\ (155)-91=(91+2w)-91 \\ 64=2w \\  \frac{64}{2} = \frac{2w}{2}  \\ w=32
Now we know w = 32. Knowing all the necessary info, we can use the area formula, <em>A=lw</em>, to solve for A.
A=(45.5)(35) \\ A=1,456

The area is 1,456 sq ft. 

Hope this helps!
5 0
3 years ago
If you add the year of my birth to this year, subtract the year of my 20th birthday and the year of my 85th birthday, and then a
Bas_tet [7]
It's not possible for the result to be 49
7 0
3 years ago
76°<br> 135°<br> 81°<br> X<br><br> X =<br><br> please help mee
jekas [21]

Answer:

68º

Step-by-step explanation:

This is a quadrilateral and all degrees in every quadrilateral have to add up to 360º.  

81º + 135º + 76º = 292º

360º - 292º = 68º

Therefore, x = 68º

6 0
3 years ago
71 and 72 please help.
Hitman42 [59]
71) The triangle is isos. so the base angles are congruent

2a+b=5b-3a
5a=4b

The angles of a triangle all add up to 180

180=5a -2b + 2a +b + 5b -3a
180=4a+4b

Substitute 4b with 5a

180=4a+5a
180=9a
a=20

And substitute a into the equation: 5a=4b to solve for b and solve for the measurements of the angles


72) Angles that are supplementary add up to 180

8(y-x)+124=180
9x-2y+124=180

8x-8y=56
(9x-2y=56)4

Use elimination to solve for the variables

8x-8y=56
-(36x-8y=224)
-28x=-168
x=48

Substitute x into the other equation to solve for y and find the measurements of the angles
5 0
3 years ago
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