Reduce 7y + 2y 2 - 7 by 3 - 4y?

Answers

Answer 1
Answer:

(7y+2y2−7)(3−4y)

=7y+4y+2y2−7−3

=11y−2y210

Hope this helps



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Help me with the second one because I don't know how to do it

Answers

2) bowling center:
2.5 hours per week for 33.75
additional 0.49 per minute in excess of the 2.5 hours.

2.5 hour * 60 minutes/hr = 150

c = 33.75 + 0.49(m - 150)



Frank needs to fill juice cups for his little sister's birthday party. There are 35 juice cups and each juice cup holds 12 fluid ounces. The juice comes in 1-gallon bottles. How many 1-gallon bottles of juice will Frank need to purchase?(1 quart = 32 fluid ounces, 1 gallon = 4 quarts)
A: 1 Bottle
B: 2 Bottles
C: 3 Bottles
D: 4 Bottles

Answers

128 oz. in one gallon.   35 cups of 12 oz. equals 420 oz. 420 divided by 128 equals 3.28 so youll need 4 bottles. D.

Which of the following best describes the base of a pyramid?A. It can be any polygon.
B. It is a circle.
C. It must be a square.
D. It is a triangle.

Answers

Answer:

A. It can be any polygon.

Step-by-step explanation:

A pyramid is a polyhedron with a base, which can be any polygon, but is most often a square.

When the base is a triangle, the pyramid has a total of four faces.

The famous Egyptian pyramids have square bases and four triangular faces. As the number of sides increases in a pyramid, it begins to look like a cone.

So, we can say A and C are both correct. But we will go with A as a square will also be considered in it.

Which equation represents the line that passes through the point (3,4) and is parallel to the x-axis?x = 4
x = 3
y = 4
y = 3

Answers

paralell to x axis means x=something

it is first  2 choices

(x,y)
(3,4)
has to pass through x=3

answer is x=3 (2nd option)

Is this equation standard form of an ellipse or circle?-3x^2-3y^2-12x-12y+24=0
What's the center?

Answers

The standard form equation for a circle is

(h-x)^2+(k-y)^2=r^2

where (h, k) is the center and r is the radius.

The standard form equation for an ellipse is

((x-h)^2)/(a^2)} + ((y-k)^2)/(b^2) = 1

(center h, k and major and minor axes a and b)

This equation is standard form for neither, but might be general form for one.

-3x^2-3y^2-12x-12y+24=0 \n -3(x^2+y^2+4x+4y)=-24 \n x^2+4x+y^2+4y=8\ (complete\ the\ squares)\n (x^2+4x+4)+(y^2+4y+4)=8+4+4\n (x+2)^2+(y+2)^2=16 \n Circle\ with\ radius\ 4\ and\ center\ (2,\ 2)

Find the coordinates of the vertices after the given transformation. Reflection across x=-2. W(-4,-4)

Answers

Answer:

To reflect a point across the vertical line x = -2, we can use the formula:

(x, y) → (2c - x, y)

where c is the x-coordinate of the line of reflection. In this case, c = -2. Let's apply this formula to the point W(-4, -4):

W' = (2(-2) - (-4), -4)

= (-4 + 4, -4)

= (0, -4)

Therefore, after the reflection across x = -2, the coordinates of W(-4, -4) become W'(0, -4).

Step-by-step explanation: