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Afina-wow [57]
3 years ago
5

Where is the line of symmetry of this parabola? Write its equation.

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0
Line of symmetry is at x= -1.25.
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The surface area of a cube is 24 cm² what is the new surface area of a cube is the length of each edge of the cube is tripled
sergij07 [2.7K]
24 divided by 6( the amount of sides) is 4. The square root of 4 is 2 so each side is 2 cm. 2 cm tripled is 6 cm. 6 times 6 is 36 ( that is the surface area of one face). 36 times 6 (the number of faces) is 216 so the answer is 216 cm squared.
8 0
3 years ago
Joshua is making spaghetti and meatballs for dinner for his friends. Joshua makes 30 meatballs. If Joshua wants 5 meatballs on e
Scilla [17]

Answer:

x = 6

Step-by-step explanation:

Given

Let y represent the number of meatballs in total and x represents the number of plates.

y = 30

Rate = 5 per plate

Required

Determine the value of x

To solve for x, we make use of the following expression.

y = Rate * x

Substitute values for y and Rate

30 = 5 * x

30 = 5 x

Divide through by 5

30/5 = 5 x/5

6 = x

x = 6

<em>Hence, number of plates is 6</em>

7 0
3 years ago
If 32%=80 what does 100%=
emmasim [6.3K]
32/80 so divide that by 5 = 6.4/20 then multipy that by 100/1 so the answer is 640
3 0
3 years ago
Read 2 more answers
Find a common solution for each system of equations:<br> y=3x+5<br> y=-5x-3
Nina [5.8K]
\left\{\begin{array}{ccc}y=3x+5\\y=-5x-3\end{array}\right\\\\substitution\ method\\\\3x+5=-5x-3\\3x+5x=-3-5\\8x=-8\ \ \ \ \ /:8\\x=-1\\\\y=3(-1)+5=-3+5=2\\\\Solution:x=-1\ and\ y=2.

graphing\ method\\\\  \left\{\begin{array}{ccc}y=3x+5\\y=-5x-3\end{array}\right\\------------------\\y=3x+5\\y-intercept\ (x=0)\\y=3(0)+5=5\\(0;\ 5)\\x-intercept\ (y=0)\\3x+5=0\\3x=-5\\x=-\frac{5}{3}\\(-\frac{5}{3};\ 0)\\---------------------
y=-5x-3\\y-intercept\ (x=0)\\y=-5(0)-3=-3\\(0;-3)\\x-intercept\ (y=0)\\-5x-3=0\\-5x=3\\x=-\frac{3}{5}\\(-\frac{3}{5};\ 0)\\\\Solution:((-1;\ 2)\to x=-1\ and\ y=2.

8 0
4 years ago
100 POINS, Help
svlad2 [7]

Answer: Translate triangle ABC so that point B lies on point D to confirm ∠B ≅ ∠D.

Step-by-step explanation: Since we already know that angle A is congruent to itself by the reflexive property, all we need is another pair of corresponding angles to be congruent according to the AA (angle-angle) similarity postulate. This postulate states that; If two corresponding angles of two or more triangles are congruent, the triangles are similar. So when we translate triangle ABC so that point ∠B lies on ∠D, we prove that these two angles are congruent.

I also got it right on the test. So... yeah.

hope this helps dood.

3 0
3 years ago
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