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REY [17]
2 years ago
11

What is the slope of the line that passes through the points (-2, 2), and (-4,-2)?

Mathematics
2 answers:
GREYUIT [131]2 years ago
6 0

Answer:

2

Step-by-step explanation:

m = 2-(-2)/-2-(-4)

m = 4/2

m = 2

Travka [436]2 years ago
4 0

Step-by-step explanation:

{ \rm{slope = \frac{y _{2} - y _{1}}{x _{2} - x  _{1} }  }} \\  \\ { \rm{slope =  \frac{ - 2 - 2}{ - 4 - ( - 2)} }} \\  \\ { \rm{slope =  \frac{ - 4}{ - 2} }} \\  \\ { \rm{slope = 2}}

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What value of a makes the solution to the equation 5x-10=3x+a equal to 12
Illusion [34]

Answer:

a=-1.2

Step-by-step explanation:

5x-10=3x+a=12

let's first find x:

5x-10=12

add 10 to both sides:

5x=22

divide both sides by 5:

x=4.4

now that we know what x is, we can plug it back into the equation to find a:

3*4.4+a=12

first, simplify both sides:

13.2+a=12

then, subtract 13.2 from both sides:

and our answer is: a=-1.2

6 0
3 years ago
Convert 2671(in base 9), to base 3 without first converting to base 10.​
EleoNora [17]

Since 9 is 3², each digit in base nine takes two digits in base 3.

2₉ = 02₃

6₉ = 20₃

7₉ = 21₃

1₉ = 01₃

Putting it together

2671₉ = 2202101₃

3 0
3 years ago
Help pls. Ill give brainliest
Sav [38]
268.08
V=4/3(pi)r(cubed)
Plug and chug —> the volume of this sphere is about(squiggly equality sign) 268.08 feet
7 0
3 years ago
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Use the drawing tool(s) to form the correct answer on the provided number line.
miskamm [114]

Answer:

x= 1, x= 4, and x= -3

Step-by-step explanation:

Use the possible combinations of factors of the constant term of the polynomial to find a first root. Try 1, -1, 2, -2, 3, -3, etc.

Notice in particular that x = 1 is a root (makes f(1) = 0):

f(1)=x^3-2*1^2-11*1+12=1-2-11+12=13-13=0

So we know that x=1 is a root, and therefore, the binomial (x-1) must divide the original polynomial exactly.

As we perform the division, we find that the remainder of it is zero (perfect division) and the quotient is: x^2-x-12

This is now a quadratic expression for which we can find its factor form:

x^2-x-12=x^2-4x+3x-12=x(x-4)+3(x-4)=(x-4)*(x+3)

From the factors we just found, we conclude that x intercepts (zeroes) of the original polynomial are those x-values for which each of the factors: (x-1), (x-4) and (x+3) give zero. That is, the values x= 1, x= 4, and x= -3. (these are the roots of the polynomial.

Mark these values on the number line as requested.

7 0
3 years ago
Grant is a member of a book club. He pays a $10 yearly membership fee and can purchase books through the club for $2.75 each. Hi
ryzh [129]

Answer: A, C, and E

Step-by-step explanation:

Hi, to answer this question we have to analyze the function given:

C(b) = 2.75b + 10

Where:

  • Independent variable: b (number of books)
  • Input = b
  • Output = C = annual cost
  • Dependent variable = C (depends on b, the independent variable)

So:

A. The number of books purchased is the independent variable. TRUE  

B. The input is the yearly cost. (FALSE, the input is the number of books )

C. The total yearly cost depends on the number of books purchased. TRUE

D. The number of books purchased is determined by the yearly cost. FALSE , the yearly cost is determined by the number  

of books.

E. The output is the yearly cost.TRUE

5 0
3 years ago
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