expand 2x(5x-2)
answer needed asap

Answer:

The last three answers.  

Step-by-step explanation:

Answer:

(2r-1)(2r-5)

Step-by-step explanation:

4r^2-10r-2r+5=0

2r(2r-5)-(2r-5)

(2r-1)(2r-5)

Answer:

2880

Step-by-step explanation:

Answer:

i think its 75 because 90 should equal x+15 so 90-15=75

Answer:

The vertex is -5/2 and -9/2

Step-by-step explanation:

I looked it up on math

way

A parabola is a mirror-symmetrical planar curve that is nearly U-shaped. The vertex of the parabola y = 2x² + 10x + 8 is (-2.5, -4.5).

A quadratic equation is an equation whose leading coefficient is of second degree also the equation has only one unknown while it has 3 unknown numbers. It is written in the form of ax²+bx+c.

Then its roots are given as:

[tex]x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a}[/tex]

A parabola is a mirror-symmetrical planar curve that is nearly U-shaped.

y = a(x-h)² + k

where,

(h, k) are the coordinates of the vertex of the parabola in the form (x, y);

a defines how narrower the parabola is, and the "-" or "+" that the parabola will open up or down.

The general form of a parabola is written in the form ax²+bx+c, which is a quadratic equation. While the vertex form of the parabola is written as y=a(x-h)² + k.

Given that the equation of the parabola is y = 2x² + 10x + 8. Now if we compare the general equation of the parabola with ax²+bx+c, the value of a, b, and c will be 2, 10, and 8, respectively.

Further, the vertex of the parabola can be written as,

h =−b/2a

h = -10 / 2(2)

h = -10/4

h = -2.5

k = -(b² - 4ac) / 4a

k = -[10² - 4(2)(8)] / 4(2)

k = (100 - 64) / 8

k = -36/8

k = -4.5

Hence, the vertex of the parabola y = 2x² + 10x + 8 is (-2.5, -4.5).

Learn more about Quadratic Equations:

https://brainly.com/question/2263981

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Answer:

$12.00

Step-by-step explanation:

20% of $60 is $12.

Answer:

y=3/2

Step-by-step explanation:

.......................

Answer:

360%

if not u question isnt correct

hope this might help you

Answer: Multiply the base by the height

for example A=B x H

Step-by-step explanation:

Answer: 19 + 11x - 7 - 2x + 13

Step-by-step explanation:

19 + 11x - 7 - 2x + 13

Bring like terms together

11x - 2x + 19 - 7 + 13

9x + 12 + 13

9x + 25

Answer:  b = 9 m, h = 4 m

Step-by-step explanation:

9x4 equals 36, but all of these other answers do not equal 36. :)

Answer:

 b = 9 m, h = 4 m

Step-by-step explanation:

Answer:

45/7

Step-by-step explanation:

6 × 7 = 42 + 3 = 45

45/7

good luck i hope this helps :)

Answer: 45/7

Step-by-step explanation:

Multiply the denominator by the whole number

7*6

Add the answer from Step 1 to the numerator

42+3=45

Write answer from Step 2 over the denominator

45/7

In decimal form:

6.42

Answer:

g=b-3.50

Step-by-step explanation:

Answer:

-7

Step-by-step explanation:

3=-3x-18

3x=-18-3

3x=-21

x=-7

Answer: 75 dollars

Step-by-step explanation:

220 times 2.5 is 550 which means you make 550 dollars. However, it cost 4575 dollars to make the candy bars because 220 times 1.25 is 275 and 275+200 is 475. You have to subtract 475 from 550 to get your answer which is 75 dollars.

Answer:

$75

Step-by-step explanation:

multiply total bars by cost 275+ 200=475

multiply total bars by sale price =550

Answer:

Step-by-step explanation:

For this case we have the following equation:

a = v ^ 2 / r

From here, we must clear the value of speed.

We have then:

v ^ 2 = a * r

v = root (a * r)

Answer:

the formula for the velocity is:

v = root (a * r)

Answer:

Step-by-step explanation:

B

Answer:

1. I cant see 2. 32 3.60

Step-by-step explanation:

Answer:

I think its 153.94 inches squared

Answer:

i love you :)

Step-by-step explanation:

A = 3.14 × (14 ÷ 2)²

A = 3.14 × 49

A = 153.86

Answer:

(3, 2)

2 = 5 x 3 - 9

  = 15 - 9

  = 6

2 is not = 6

y = 5x - 9

y - 5x = -9

y - 5x = 4

Use elimination

-15

ANSWER: So there are no solutions

yes here x and y are directly proportional when looking at the x-coordinate

Step-by-step explanation:

here,

x1=7, y1=14

x/y=7/14

=1/2.

when considering the second coordinates,

=we will get the answer again

1/2.

all the coordinates is proportional in this form it is all will get the answer one by two so this x -axis and y-axis are directly proportional

Answer:

cbbbbb

Step-by-step explanation:

Answer:

32 dollars is the cost of the total game

Step-by-step explanation:

24 divided by 3 is 8

8 times 4 is 32

Answer:

37 x 4 = 148

148 cards

Step-by-step explanation:

Would really appreciate it if you could give me brainliest. Have a good day! :)

Answer:

37×4 = 148

Step-by-step explanation:

so your answer is 148

Answer: ‭$54.75

Step-by-step explanation:

The price the shoes are sold to the warehouse is:

= 24 * ( 1 + 15%)

= 24 * 1.15

= $27.60

The price the warehouse sells it is:

= 27.60 + 10

= $37.60

Price distributor sells is:

= 37.60 * 1.12

= $42.112

Fine shoes will then sell at 30% profit:

= 42.112 * 1.3

= $‭54.7456‬

= ‭$54.75

Answer:

There are 72.06 grams in 4 moles of H2O. I hope this helps!

Answer:

50 cm

Step-by-step explanation:

The altitude from the vertex to the base bisects the base and divides the triangle into 2 right triangles.

Using one of the right triangles with legs 8 and 15 , then hypotenuse h is

h² = 8² + 15² = 64 + 225 = 289 ( take the square root of both sides )

h = [tex]\sqrt{289}[/tex] = 17

The 2 congruent sides of the isosceles triangle are 17 cm

Then the perimeter P is

P  = 17 + 17 + 16 = 50 cm