MATHEMATICS HIGH SCHOOL

Which value is needed in the expression below to create a perfect square trinomial?x2+8x+______

4
8
16
64

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

i know because i did the test

Answer 2

Answer:

Answer:

16 for people with ads i really need brainliest

Step-by-step explanation:

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What is the value of the Y coordinate of the solution to the system of equations x-2y=1 and x+4y=7?

Answers

$\left\{\begin{array}{ccc}x-2y=1\nx+4y=7&/\cdot(-1)\end{array}\right\n\n+\left\{\begin{array}{ccc}x-2y=1\n-x-4y=-7\end{array}\right\n-----------\n.\ \ \ \ \ \ \ \ \ -6y=-6\ \ \ \ \ /:(-6)\n.\ \ \ \ \ \ \ \ \ \ \ \ \ \ y=1\n\nx-2\cdot1=1\nx-2=1\nx=1+2\nx=3\n\nAnswer:\n\left\{\begin{array}{ccc}x=3\ny=1\end{array}\right$

Answer:

Step-by-step explanation:

x - 2y = 1

+ (-x - 4y = -7)

_______________________

-6y = -6

-6 -6

We divide -6 both sides of the equation in order to get our answer.

y = 1

(01.05 MC)Which fraction is equivalent to 4 over negative 9?

Answers

Answer: 8/-18

Step-by-step explanation:

What is the value of x in this triangle?A.0.58°
B.o 28.89°
C.o 56.51°
D.o 33.49°

Answers

The value of x is 33.49°.

What is a right triangle?

A triangle with one of its angles measuring 90° is known as a right triangle.

Given a right triangle with a hypotenuse of length 58 and a leg of length 32.

Use the sine rule:

(sin90°) / 58 = (sinx) / 32

sinx = 32/58

x = sin⁻¹ ( 32/58)

x = 33.49°

Hence, the value of x is 33.49°.

Learn more about right triangles here:

brainly.com/question/4364353

#SPJ5

Answer:

D. 33.49

Step-by-step explanation:

A group of students is arranging squares into layers to create a project. The first layer has 4 squares. The second layer has 8 squares. Which formula represents an arithmetic explicit formula to determine the number of squares in each layer?

Answers

Answer:

answer is d

Step-by-step explanation:

Mike wants to put a rope around a rectangular plot of flowers he just planted. What would be the best measurement to find the length of the rope Mike needs?

A.
the height of the plot of flowers

B.
the perimeter of the plot of flowers

C.
the area of the plot of flowers

D.
the length of one side of the plot of flowers

Answers

Oh, the perimeter of the plot is absolutely what the length of the rope should be.

Which corresponds to the perimeter of triangle ABC?A (-5,-1)
B (-2,3)
C (6,-3)

A. 15 units
B. square root 250 units
C.15+ square root 125 units
D.125+ square root 125 units