Mathematics High School

Factored completely, the expression 2x^2+10x-12 is equivalent to:

Answers

Answer 1

Answer:

(x + 6) (x - 1)

Step-by-step explanation:

2x² + 10x - 12

dividing by 2,

x² + 5x - 6

x² - x + 6x - 6

x(x - 1) + 6(x - 1)

(x + 6) (x - 1)

x = -6 or x = 1

Related Questions

A triangle has sides with lengths of 20 centimeters, 48 centimeters, and 54 centimeters. Is the triangle a right triangle?

Answers

48 20 and 54 it going to make it all together it’s just 128

Tara has two bags of marbles. The first bag contains 6 red marbles,5 blue marbles, 4 green marbles , the second bag contains 3 red marbles,2 blue marbles and 4 green marble. Tara will randomly select 1 marble from each bag. What is the probillity that Tara will randomly pick a blue marble from each bag?.

Answers

2/27 I took the test and I know it is correct

please help fast asap

Answers

Answer: 47 degrees

Step-by-step explanation:

7x-9=4x+15 because of the vertical angle rule

7x-9=4x+15

3x=24

x= 8

So the angle 7(8)-9 = 47°

Answer:

m<ABC=<7x-9=7×8-9=47° is your answer

Step-by-step explanation:

4x+15=7x-9 vertically opposite angle

15+9=7x-4x

x=24/3=8

which best describes the scatter plot

Answers

D positive; non linear
I’m thinking probably letter D

HELPP ON GEOMETRY!! Plzzzz
But not links or I’ll report

Answers

247 is the correct answer!

Evaluate the following expression when m=16 and g = 4
g (9 – m) + 5
show ur work

Answers

sub in the numbers
4(9-16)+5
=4(-7)+5
=-28+5
=-23

Answer:

-23

Step-by-step explanation:

given: g(9-m)+5

substitute the values you have been given

4(9-16)+5

4(-7)+5

-28+5

=-23

What is the answer to this equation?
1/2 (4i+8)=-2

Answers

Answer:

If your looking for I the answer is -3

Step-by-step explanation:

Simplify both sides of the equation

1/2(4i+8)=-2       - Distribute

(1/2) (4i) + (1/2) (8) = -2

The subtract 4 from both sides

Then divide both sides by 2

If the actual distance between two cities is 52 kilometers (km), then the distance on the map would be ? cm

Answers

Your answer in cm would be 5,200,000.
As 1km=100,000 cm

The dot plots represent the number of absent students over 12 days in two classes.
Claus
Class o
0 1
B
9
7
Number of Absent Students
0
1
4 5 6
Number of Absent Students
Which statement is true?
The difference in the means is about 1 times the range of Class Q's data.
O The difference in the means is about 14 times the range of Class P's data.
The mean number of absent students in Class P is greater than the mean number of absent students in Class Q.
O The median number of absent students in Class P is greater than the median number of absent students in Class Q.
Calculator

Answers

okay i don’t know and i’m really sorry

F is inversely proportional to d^2. When F=9, d=4 Work out d (positive value rounded to 2 DP) when F=6

Answers

Answer:

d = 4.90

Step-by-step explanation:

Given the following data;

F = 9

d = 4

For an inversely proportional relationship, we have;

F = k/d²

Now, we would find the constant, k;

9 = k/4²

k = 9*16

k = 144

Next, to find d, when F = 6

d² = k/F

d² = 144/6

d² = 24

Taking the square root of both sides, we have;

d = 4.90

HELP PLZ . I NEED HELP

Answers

Answer:

292.5

Step-by-step explanation:

t= hours, they traveled 4 1/2 hours, or 4.5 hours, so t= 4.5

The expression is 65t, so putting in the 4.5, its

65(4.5), 65 x 4.5= 292.5

So, the answer is 292.5

A pair of jeans is normally priced at $56, but is currently marked down for with a 35% discount. What would replace the B in the proportion? A/B=P/100%

Answers

Answer:

$36.4

Step-by-step explanation:

Given

Cost of Jean = $56

Percent markdown = 35%

Discount = 35% of $56

Discount = 0.35 * 56

Discount = $19.6

New price = $56 - (35% of $56)

New price = $56 - 19.6

New price = $36.4

hence the price that will replace B is $36.4

1/3 (x-10) = -4 what is x

Answers

Step-by-step explanation:

1/3x-10/3=-4

1/3x=-4+10/3

1/3x=-2/3

x=-2

Answer:

Solve for x by simplifying both sides of the equation, then isolating the variable.

x = −2

I need help with this question​

Answers

Answer:

It would be b I think

Step-by-step explanation:

Letter B is the correct answer to your question


(PLEASE ANSWER BEFORE 12:00 TONIGHT (March 29) TY!!)
consider a rectangular prism with length 4 and width and height d

Find an expression for the volume of the prisms in terms of d.

2. compute the volume of the prism when d=1, when d=2, and when d=1/2

Answers

Answer:

Step-by-step explanation:

The expression for the volume of the prisms in terms of d is 4d².

What is a volume?

Volume is the amount of space occupied by a three dimensional shape or object. For a rectangular prism:

Volume = length * width * height

From the diagram, length = 4, width = d, height = d. Hence:

Volume = 4 * d * d = 4d²

When d = 1: Volume = 4(1)² = 4

When d = 2: Volume = 4(2)² = 16

When d = 1/2: Volume = 4(1/2)² = 1

The expression for the volume of the prisms in terms of d is 4d².

Find out more on volume at: https://brainly.com/question/12410983

please help me with this i don’t understand it

Answers

Answer:

62

Step-by-step explanation:

119 is adjacent to angle x. angle x and 119=180 (because the angle of a straight line is 180.) which means to find angle x you have to subtract 119 from 180. 180-119=61. because you now know two angles in the triangle you can add the together and subtract them from 180 (remember 180 is what all the angles in a triangle should add up to 180). 61+57=118 and 180-118=62

i hope this helped!

Someone help me with this if you know the answer swipe up

Answers

the answers would be A & E, or, 90° clockwise and also 270° counterclockwise:)

A DVD rental service wants to pay close attention to what movies their customers like the most. Which measure of central tendency will give them the best estimate? Explain.

Answers

Answer:

Mode.

Because it is used to determine the most frequently occurring item which in this case is movie.

Step-by-step explanation:

The 3 measure of central tendencies are namely;

Mean, median mode.

- Mean is defined as the average of a set of data.

- Median is the middle term of a set of data that splits that set of data into 2.

- Mode is the term that occurs most frequently in a set of data.

In this question, we want to find the movies most frequently watched.

Thus, from the definitions above earlier, it is clear that the only way to know this is using the mode.

Michelle flips a penny four times, and it lands heads up all four times. On her fifth flip, what is the probability that the penny will land tails up? Explain.

Answers

Answer:

1/2

Step-by-step explanation:

theoretical probability of a coin flip is always 50% heads, 50% tails

whats 43.008625 as cent​

Answers

Answer:

43 cents. us coinage doesn't have decimals

Step-by-step explanation:

Answer:

43 cents

Step-by-step explanation:

43.008625 is 43 cents.

If you are talking about percentage, it is 4300.8625 %

Find the area of the shaded triangle. ​

Answers

Answer:

120

Step-by-step explanation:

The formula for a triangle is 1/2bh

so u first multiply 12 by 20 which you will get 240.

After you get 240 u multiply it by the 1/2 which also means dividing by 2.

240 divided by 2 is 120.

Which linear equation is in the point-slope form?

Answers

Answer:

points

Step-by-step explanation:

Solve for the expression. What is the value of q?
5q + 23 = 178

Answers

Answer:

q=31

Step-by-step explanation:

5q = 178-23

5q = 155

q = 31

Answer:

31

Step-by-step explanation:

178-23=155

155/5= 31

need help asap please!

Answers

Answer:

A

Step-by-step explanation:

The area of the large triangle is 36*24/2

minus the small triangle which is 21*14/2

so 432-147 = 285

This is very hard to explain in text and not on paper, but I will try to explain it the best I can.

So first get the length of the bottom of the triangle, so that would be 36in. Minus 21in. Which will give us the length of the bottom of the shaded region.

36-21= 15 in.

This next step isn’t necessary, but it makes solving for the area so much easier. Make the shaded region into two different shapes. So in this case, a square and then a right triangle.

So take the height on both sides on the shaded region, which would be..

24 - 14 = 10in.

Now, multiply the length by the height to solve for the area of the square and triangle.

Triangle area: 15(10)= 150 sq. in.

Square area: 15(14)= 210

Now add them together and then you get your answer.

210 + 150 = 360 sq. in.

The area of the shaded region is 360 sq. in.



Use the absolute value function g(x)=|x−7|−6 to answer the questions.
Vertex: (__,__)
Axis of Symmetry: x = ___

(thank you SO much if you are answering this)

Answers

Answer:

Step-by-step explanation:

i dont see an image

A chef uses one-half of his spices when cooking breakfast. two-thirds of the spices he uses of breakfast are used when making omelets. what proportion of his total spices are used on making omelets?

Answers

Answer:

1/3

Step-by-step explanation:

1/2 of spices

1/2 * 2/3 = 2/6 = 1/3

1/3



Hope u got it right

variable of context need answer please

Answers

Answer is in file linked

what is the formula of this volume ​

Answers

the answer is B because the formula to find a sphere is V= 4/3 πr3



hope this helped

PLEASE HELP ITS DUE IN A FEW MINS

Answers

The correct answer is 6,8

I need help ASAP find u and v

Answers

Answer:

u = 66

v = 38

Step-by-step explanation:

In a parallelogram, opposite angles are equal.  U is opposite to 66, so it is 66 degrees

In a parallelogram, corresponding angles are supplementary.  180 - 66 = 114

this means that 3v = 114.  114/3 = 38, which is what v is.

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