What two number multiply to -48 and add to -2?

Answers

Answer 1

Answer:

6 and -8

Step-by-step explanation:

Solve:

xy = 48

x + y = -2

You can say y = -2-x = -(x+2) and then substitute that in the first:

-x(x+2) = 48

-x² -2x - 48 = 0

x² + 2x + 48 = 0

Quadratic formula can do the rest if you don't "see" the factorization.


Related Questions

I need help please I linked the pic below thank u

Answers

Answer:

there you see nothing

Step-by-step explanation:

Answer:

there you say nothing to do it for me

URGENT I NEED HELP PLEASE

What is the value of this expression when a = 3 and b=-2?
2
3a06
2a-165

Answers

Answer:191/94 i hope this helps!!(✿◠‿◠)

whats 6/7 divided by 1/2 i need it as a fraction not decimal

Answers

Answer:

12/7

Step-by-step explanation:

The value of the expression as a fraction is 12/7.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

6/7 ÷ 1/2

This can be written as,

= (6/7) / (1/2)

= (6 x 2)/7

= 12/7

Thus,

The value is 12/7.

Learn more about expressions here:

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solve for x
5(x−2)<−3x+6
will name branliest

Answers

Answer:

x < 2

Step-by-step explanation:

Given

5(x - 2) < - 3x + 6 ← distribute parenthesis on left side

5x - 10 < - 3x + 6 ( add 3x to both sides )

8x - 10 < 6 ( add 10 to both sides )

8x < 16 ( divide both sides by 8 )

x < 2

Hey there!☺

[tex]Answer:\boxed{x<2}[/tex]

[tex]Explanation:[/tex]

Let's start by simplifying both sides of the inequality:

[tex]5x-10<-3x+6[/tex]

Now add 3x to both sides:

[tex]5x-10+3x<-3x+6+3x\\8x-10<6[/tex]

In our third step, we will add 10 to both sides:

[tex]8x-10+10<6+10\\8x<16[/tex]

In our last step, we will divide both sides by 8:

[tex]\frac{8x}{8}=\frac{16}{8}[/tex]

Simplify 16/8:

[tex]\frac{16}{8}=2\\ x<2[/tex]

x<2 is your answer.

Hope this helps!☺

[tex]\text{-TestedHyperr}[/tex]

is 247 divided by 18
who will answer first they will be marked as brainliest ​

Answers

Answer:

13.7

Step-by-step explanation:

Hope this helps

There are 4 triangles and 2 circles. What is the simplest ratio of circles to triangles?

Answers

Answer:1:2

Step-by-step explanation:

it is this answer because you have 2 circles for 4 triangles, you can simplify that by dividing each number by 2 and you get 1 and 2

Answer:

1:2

Step-by-step explanation:

it would originally be 2:4 But both are divisible by 2 so they simplify down to 1:2........2÷2=1 and 4÷2=2 since the ratio has to be circles to triangle the 1 goes first then the 2

Rational numbers are numbers that can be written as the ______ of _____. What are the blanks?​

Answers

Answer:

rational numbers are numbers that can be written as the ratio of two integers

Solve the proportion: 12/R = 5/60

Answers

I was to tired to write it down
You cross multiply 12•60 which gives you 720 and you still have 5r which will leave you to dividing by “5” from this equation ➡️ 5r/720 which will give you R=144

Write 2/6 in lowest terms:
Submit

Answers

2/6 turn into 1/3 because you’d simplify it by 2

Z-1.75=3.82 one step equation

Answers

Answer:

[tex]z+5.57[/tex]

Step-by-step explanation:

Answer:

Z=5.57

Step-by-step explanation:

Z-1. 75=3.82

get the variable by itself by adding 1.75 to both sides and you get Z=5.57

A man bought an item for 5000.00 Naira and sold it at a loss of 25%. How much did he sell it?

Answers

Answer:

Pls follow me

I'm new here

PLEASE

Step-by-step explanation:

I'll follow u back..

PROMISE

answer:

3750?

how i did it:

not sure if this is 100% correct but i did 25% of 5000 which would be 1250 and then did 5000-1250 which would be £3750

this could be correct but dont take my word for it :)

Noah drew 14 hearts, 1 star, and 25 circles. What is the ratio of circles to hearts?

Answers

Answer:

14:25 is the ratio

Answer:

25 : 14

Step-by-step explanation:

If there are 25 circles

               &

14 hearts, the ratio is 25 : 14

what is 200 divided by 300000

Answers

200 divided by 300000 = 0.000666666666667

0.00066667 yw :)
Hcgxigxkihvhvohck

a bus holds 30 students there are 360 students how many buses are needed

Answers

since we have 30 students in one bus

1 bus = 30 students
x buses = 360 students

cross multiply we get 360/30=x which is 12

therefore 12 buses are needed.

pls mark brainliest if it helps u

Traveling carnivals move from town to town, staying for a limited number of days before moving to the next stop. The management of a certain carnival knows that each
time it opens in a new town, it can expect to bring in about $15,000 in revenue the first night. Each night after the first revenue will be about 75% of the previous night's
revenue.
To the nearest dollar, about how much revenue can the carnival anticipate on its 5th night in town?

Answers

Answer: 4746.09375 dollars (just round down to nine cents)

Step-by-step explanation:

The revenue in the 5th night in two will be $4746.093.

What is geometrical progression series?

A geometric progression is a sequence in which any element after the first is obtained by multiplying the previous element by a constant which is called a common ratio denoted by r.

For example, the sequence 1, 4, 16, 64,… is a geometric sequence with a common ratio of r = 4.

Revenue in the first night = $15000

Since revenue of new night is 75% of the previous night

So,

2nd night = 15000 × 75/100 = 11250

3rd night = 8437.5

So the given sequence is ;

15000, 11250, 8437.5 ... it is a GP series.

First term(a) = 15000

Common ratio(r) = 11250/15000 = 0.75

The nth term of a GP is given by ;

[tex]a_{n} = ar^{n-1}[/tex]

So for 5th-night n = 5

So,

a₅ = ar⁵⁻¹

a₅ = 15000(0.75)⁴

a₅ = 4746.093

Hence "The revenue in the 5th night in two will be $4746.093".

For more information about the geometrical progression,

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Find 2/3 + -13/15
answers??

Answers

Answer:

-1/5

Step-by-step explanation:

[tex]\frac{2}{3}+\frac{-13}{15} \\=\frac{10}{15} +\frac{-13}{15}\\ =\frac{-3}{15} \\=\frac{-1}{5}[/tex]

Perform the indicated operation.
f ( x ) = 2 x 2 − 3 x
g ( x ) = 4 x + 4
Find ( f + g ) ( x )

Answers

Answer: [tex](f+g)(x)=2x^{2} +x+4[/tex]

Step-by-step explanation:

Add both of the functions together

[tex](2x^{2} -3x)+(4x+4)\\2x^{2} +x+4[/tex]

The cost of 12 pounds of red grapes and 10 pounds of green grapes is
$37.20. If the green cost $.20 more per pound than the red, how much is
the pound of red grapes?​

Answers

Answer:

I believe it is $1.60 a pound but i'm not sure.

Step-by-step explanation:

A long jumper lifts off 3 m after starting his run, and lands 6 m later. When he is 8 m from the start line, he is 5 cm above and he ground. Write the equation of a parabola that models his path through the air, where x is horizontal distance from the start line in m and y is his height, in cm.

Answers

Answer:

The equation of the parabola that models the path of the long jumper through the air is [tex]y = -x^{2}+12\cdot x -27[/tex].

Step-by-step explanation:

Mathematically, we know that parabolas are second-order polynomials and every second-order polynomials, also known as quadratic functions, can be constructed by knowing three different points of the curve. The standard form of the parabola is:

[tex]y = a\cdot x^{2}+b\cdot x + c[/tex]

Where:

[tex]x[/tex] - Horizontal distance from the start line, measured in meters.

[tex]y[/tex] - Height of the long jumper, measured in meters.

[tex]a[/tex], [tex]b[/tex], [tex]c[/tex] - Polynomial constants, measured in [tex]\frac{1}{m}[/tex], dimensionless and meters, respectively.

If we know that [tex](x_{1},y_{1}) = (3\,m, 0\,m)[/tex], [tex](x_{2},y_{2}) = (8\,m, 0.05\,m)[/tex] and [tex](x_{3}, y_{3}) = (9\,m, 0\,m)[/tex], this system of linear equations is presented below:

[tex]9\cdot a + 3\cdot b + c = 0[/tex] (Eq. 1)

[tex]81\cdot a + 9\cdot b + c = 0[/tex] (Eq. 2)

[tex]64\cdot a + 8\cdot b + c = 0.05[/tex] (Eq. 3)

The coefficients of the polynomial are, respectively:

[tex]a = -\frac{1}{100}[/tex], [tex]b = \frac{3}{25}[/tex], [tex]c = -\frac{27}{100}[/tex]

The equation of the parabola that models the path of the long jumper through the air is [tex]y' = -\frac{1}{100}\cdot x^{2}+\frac{3}{25}\cdot x -\frac{27}{100}[/tex].

But we need [tex]y[/tex] measured in centimeters, then, we use the following conversion:

[tex]y = 100\cdot y'[/tex]

Then, we get that:

[tex]y = -x^{2}+12\cdot x -27[/tex]

Where [tex]x[/tex] and [tex]y[/tex] are measured in meters and centimeters, respectively.

The equation of the parabola that models the path of the long jumper through the air is [tex]y = -x^{2}+12\cdot x -27[/tex].

a number is less than 15 translating inequalities

Answers

Greetings from Brasil...

According to the statement of the question, let X be any number. If this number X has to be less than 15, we can write:

X < 15

The number is less than 15 and  it can be represented by x < 15.

It is given in the question that a number is less than 15.

We have to represent it by translating inequalities.

How will we represent 10 times of x ?

The answer will be 10x.

Let's assume the number is X.

X <  15 (as per the question)

< symbolic is for less than i.e., X is less than 15.

X represents an unknown value, i.e., numbers less than 15 are 14, 13, 12,...etc.

Thus , if a number is less than 15 , it can be represented by x < 15.

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I need help please....

Answers

Answer:

Step-by-step explanation:

a: 2(-3x - 2)/2 = -3x - 2

c: -(6x +4)/2 = (-6x  - 4)/2

d: -3x -2 when the brackets are removed and the terms are multiplied by -1/2

please simplify this ITS URGENT !!

Answers

Answer:

[tex]5 {x}^{2} - 4x - 3[/tex]

Step-by-step explanation:

[tex](8 {x}^{2} - 5x + 1) - (3 {x}^{2} - x + 4) \\ = 8 {x}^{2} - 5x + 1 - 3{x}^{2} + x - 4 \\ = 5 {x}^{2} - 4x - 3[/tex]

PLEASE HELP, WILL MARK BRAINLIEST! Solve for y when x = 2. y = 4x +2

Answers

when x equals 2 you have to plug in 2 for x in your equation, which would be y= 4(2)+2 = 8+2 =10 Final answer: 10
Answer: y= 10

Step by Step:
y=4(2)+2
y=8+2
y=10

The senior class is selling t- shirts to raise money. They purchased 550 t- shirts and paid a delivery fee of $ 15. Total cost, including delivery fee was $4415. What was the cost of each t-shirt? Write equation

Answers

Answer:

Do 4415 - 15 to take away delivery fee

Then you have 4400

Divide by 550

4400/550

8 dollars per shirt

Step-by-step explanation:

What is x/9=9 i do not know this answer

Answers

Answer:

X= 81

Explanation:

X/9=9

9*9=81
81=x

Answer:

81

Step-by-step explanation:

[tex] \frac{x}{9} = 9[/tex]

is also equal to

[tex]x \div 9 = 9[/tex]

so to find x, we need to remove (÷9) and so in order to do so, we multiply 9 on both sides and thus it is 81.

select the values of x that makes the inequality true. -1.6 > x

Choose 3 answers:

A) -2.3

B) -3

C) 1

D) -0.4

E) -1.7

Answers

Answer:

The answers are A, B, E

Step-by-step explanation:

C and D are less but not greater than-1.6

what are three reasons for using a mann-whitney u test?​

Answers

Answer:The Mann-Whitney U test is used to compare differences between two independent groups when the dependent variable is either ordinal or continuous, but not normally distributed. ... The Mann-Whitney U test is often considered the nonparametric alternative to the independent t-test although this is not always the case.

Step-by-step explanation:that would de why

Which function is a translation of the parent absolute value function

Answers

Answer:

Which function is a translation of the parent absolute value function

Step-by-step explanation:

f(x)=|x+6|

Answer: B

f(x)= |x+6|

Marc's elevation decreases by 350 meters as he rides his bike down to the bottom of a hill. He did the ride in 5 equal stages. How much did Marc's elevation change during each stage? Be sure to indicate the units of each stage.

Answers

Answer: 70 meters

Step-by-step explanation: In order to figure out how much Marc's elevation decreased equally for each stage you need to get the original elevation (350) and divide that by 5 (the # of stages).

Stage 1: 70m

Stage 2: 70m

Stage 3: 70m

Stage 4: 70m

Stage 5: 70m

A piano teacher charges students $20.25 each month, plus $5.25 per hour for lessons.
Which expression and value represent the total the instructor will charge a student for hours of lessons in a month
and the amount the instructor would charge a student for 15 hours of lessons in a month?
$20.25 -2; $15
$20.25 +x: $25.50
O $20.25 - $5.25x; $58.50
O $20.25 + $5.25x; $99

Answers

Answer:

The answer should be D. $20.25+$5.25x; $99

Step-by-step explanation:

y=mx+b

m=$5.25

x=15

b=$20.25

This gives us:

5.25x + 20.25

5.25(15)+20.25

78.75+20.25

y=99

Answer: 20.25 + 5.25x ; 99

Hope this helps!

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