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pantera1 [17]
3 years ago
8

A system of equations is shown below:

Mathematics
2 answers:
GuDViN [60]3 years ago
6 0
Probably the first one "multiply equation A by -4". In order to cancel them out out multiply the first equation by negative 4 and then you add both equations once you add both equations -4+4=0 so they cancel out.

REY [17]3 years ago
6 0

Answer:

The answer is A. Multiply equation A by −4.

Hope This Helps!

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The area of number four, the hexagon, is 841.78.

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3 0
4 years ago
A garden is in the shape of a square with a perimeter of 56 feet. The garden is surrounded by two fences. One fence is around th
kow [346]
I think it $19.74
here my reason 14×4=56
14×1.41=19.74
each side of the square is 14
and it say $1.41 for per foot so multiply that with 14 = to 19.74
idk that my reason
6 0
4 years ago
And this one too please and thank u.
inn [45]

Answer:

( - 4 \\  - 3

Step-by-step explanation:

4unity to the left

3unity down

8 0
3 years ago
john bought a cell ohone for $99 and the 7% sales tax was added at the register. he gave the cashier six $20 bills. how much cha
Elina [12.6K]
So in order to solve this you would multiply 99 by .07 and get 6.93 so therefore you add the 6.93 to 99 and get 105.93 Then you add together all the bills wich is 120 and subtract 120- 105.93 wich equals 14.07 sot to answer your question John shall recieve $14.07 in change
4 0
3 years ago
Read 2 more answers
david kicks a soccer ball off the ground and in the air, with an initial velocity of 35 feet per second. using the formula h(t)
Eduardwww [97]
The function for this problem is: h(t) = -16(t)^2 + vt + s h= the height t= time v= velocity s= starting height With the information given, we know that the starting height is 0, since it was from the ground, and the velocity of the ball is 35 feet per second. Inserting the these information into the equation, we get: h(t) = -16(t)^2 + 35t Now the question asks to find the maximum height. It can be done by using a grapher to graph the maximum of the parabola. It could also be done by finding the vertex, which would be the maximum, of the graph by using x= -b/(2a), where b is equal to 35 and a is equal to -16. We get x=35/32, the x-value of where the vertex lies. You can use this value as the t-value in the previous equation to find the h-value of the vertex. When you do, you get h= 19.1 feet, or answer D.
8 0
3 years ago
Read 2 more answers
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