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klasskru [66]
3 years ago
5

A home has a triangular backyard. The second angle is 4degrees more than the first angle. The third angle is 20 degrees more tha

n 2times the first angle. Find the angles of the triangular yard
Mathematics
1 answer:
Nitella [24]3 years ago
3 0
\left \{ {{y=2} \atop {x=2}} \right.
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PLEASE HELP
Eva8 [605]

Answer: 51 Children and 36 Adults.

Step-by-step explanation: Let's call x the number of children admitted and call z the number of adults admitted.

We know that x+z= 87

We also know that 3.25x+3.5z= 291.75.

We want to find the value of x and z. Then we solve the system of equations:

Multiply the first equation by -3.5 and add it to the second equation:

-3.5x-3.5z= -304.5

3.25x+3.5z= 291.75

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

-0.25x=-12.75

x= -42.75 ÷ -0.25

x=51

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

Now we substitute the value of x in the first equation and solve for the variable z

51+z=87

z=87-51

z= 36

Omg took me like 10 minutes to calculate would appreciate brainliest. Have a wonderful day.

6 0
3 years ago
When Alan and Brady stood together on the scale, their total weight was 250 lb.
irakobra [83]

Answer:

Alan: 110 lb.

Brady: 140 lb.

Charles: 160 lb.

Damien: 120 lb.

Step-by-step explanation:

6 0
3 years ago
(X+3)(x+5)<br><br> Expand and simplify?
bogdanovich [222]

(x+3)(x+5)

x(x+5)+3(x+5)

x^2+5x+3x+15

\displaystyle x^2+8x+15

6 0
3 years ago
Read 2 more answers
Need help with all parts please show you work for each part
bezimeni [28]
Vinegar is the x or horizontal oil is the y or vertical
\frac{3}{2}  =  \frac{y}{x}  \\ 3x = 2y \\ y =  \frac{3}{2} x
the point represent the amount of vinegar and oil so for 1 tbsp vinegar you need 1.5tbsp oil
4 0
3 years ago
At Computer Central, the cost of renting a computer is $45 plus $35 per day. The total cost can be represented by the equation y
Thepotemich [5.8K]
Simple, since your equation is y=35x+45, it's quite simple to see what is the y-intercept.
It's written in y=mx+b form, the b being the y-intercept.

Thus, your y-intercept, is 45.
4 0
3 years ago
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