If the root of x2-7x+k=0, m=1, find the value of the constant k

Answers

Answer 1

Answer:

hfrhghubifhvfuovhtjopugjob

Step-by-step explanation:


Related Questions

Select the algebraic expression for the word expression. 34 more than the product of 5 and y

34 x 5 + y
34 x 5 + y

34 + 5 + y
34 + 5 + y

(34 + y) x 5

Answers

Answer:

Step-by-step explanation:

None of the answers are correct.

34+5y

Which could be the function graphed below?
f(x)= x-2
f(x)= VX-3+1
f(x) = 2x+4
f(x)= x + 1 + 8

Answers

Answer:

f(x) = √x - 2

Step-by-step explanation:

that graph is what the graph of a square root looks like translated 2 units down

since the translation is vertical, the -2 must be outside the square root


Eliane bought 3/4 lb. of pears for $2.25 per pound. What did Eliane spend on pears per pound?

Answers

Answer:

$3 per pound

Step-by-step explanation:

2.25 / .75 = x / 1

.75x = 2.25

x = 3

What is this fraction shown above?

Answers

answer : 6/8
hope this helps :)
Answe is 6/8 liek the other person said

What is the equivalent expression of . (1/4)x - (1/2)

Answers

Answer:

1/4x + (-1/2) hope this helped!

Step-by-step explanation:

Factor completely. Be sure to factor out the GCF when necessary. Select "Prime" if the polynomial cannot be factored.

Answers

Answer:

There is no problem to factor.

Step-by-step explanation:

Please help with this it’s due today

Answers

10/16 is the correct answer

Answer:

10/8

Step-by-step explanation:

2*5=10

1*8=8

you're welcome

Please help!

Consider matrices A, B, and C.

Which matrix represents (A-B)-C?

Answers

Answer:

B.) I cant insert a 2x2 matric but the [5 7

                                                             7 4]  matrix is correct

                                                             

Step-by-step explanation:

I got a 5/5 on the test so I know that B is the correct answer

The matrix which represents (A-B)-C will be the matrix in option (B).

What is the matrix?

matrix, a collection of numbers lined up in rows and columns to produce a rectangular array. The elements of the matrix, also known as the entry, are the numerals.

In another word, a matrix is a set of variables that are arranged in such a good way that we can create algebraic equation from that.

In computer graphics, where they have been used to describe picture transformations and other alterations, matrices have vital applications as well in many sectors.

Given that the matrix

A -  B = [first raw  3 ,1  in second raw 2 ,0]

Now (A - B) - C = [ first raw 5 ,7 in second raw 7 , 4]

Hence, the correct option is (B).

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the base of a triangular pyramid has a base of 3 inches and a height of 2 inches the height of the pyramid is 6 inches find the volume​

Answers

Answer:

6

Step-by-step explanation:

3 x 2 =6

6 / 2 =3

3 x 6 = 18

18 / 3 = 6

                     So your answer is 6

In order to pay for his expenses, Chuck needs to earn $2400 at least every
month. When Chuck works overtime, he earns $3000 per month. If the
variable e stands for the amount of money Chuck has left after paying for his
expenses every month, which of the following choices is the most reasonable
value for e when he works overtime?

A. $120
B. $1200
C. $600
D. $5400

Answers

Answer:

5400

Step-by-step explanation:

2400+3000

Use the graph to write a linear function that relates y to x.

The linear function is y=?


Answers

Answer:

identify the value that is intercepting y-axis !!

Step-by-step explanation:

in this case it is 1

In 2016, 5,200 parking permits were issued in a city. The number of parking permits increases by 5% every year. Let y represent the number of parking permits issued x years since 2016.

Which type of sequence does the situation represent?

A.
The situation represents an arithmetic sequence because the successive y-values have a common difference of 1.5.
B.
The situation represents an arithmetic sequence because the successive y-values have a common difference of 1.05.
C.
The situation represents a geometric sequence because the successive y-values have a common ratio of 1.5.
D.
The situation represents a geometric sequence because the successive y-values have a common ratio of 1.05.

Answers

The situation represents a geometric sequence because the successive y-values have a common ratio of 1.05.

What is geometric series?

A geometric series is a series in which the division of any consecutive two terms will be the same.

here, we have,

to determine the situation:

The given parameters are:

Initial = 5200

Rate = 5%

Because the population by 5% every year, then the situation is a geometric sequence.

The common ratio is then calculated as:

Ratio = 1 + Rate

This gives

Ratio = 1 + 5%

Evaluate

Ratio = 1.05

Hence, the situation represents a geometric sequence because the successive y-values have a common ratio of 1.05.

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PLS HELP

What is the length, in feet, of AD in the isosceles trapezoid ABCD?
15 ft
c
1410
5 ft
A
D
F
Note: Figure is not drawn to scale.
O 3 feet
O 10 feet
O 141 feet
O 21 feet

Answers

Answer:

21 feet

Explanation:

Using pythagorean theorem to find the length of the added length of the bottom.

A^2+B^2=C^2 or 4^2+B^2=5^2 or 16+B^2=25

25-16=9 so B^2 is 9 and the square root of that is 3 so B is 3. Then you add 15+3+3 to get 21.

If ZFRO = 60 and RFO = 86 Find the measure of 2 FOG
R Help pleaseee

Answers

Answer:

149°

Step-by-step explanation:

The sum of two interior angles in a triangle is equal to an exterior angle that's supplementary to the third interior angle

<FRO + <RFO = <FOG

60° + 86 = 146

-2 - 5r = 18
help mee

Answers

Answer:

r = -4

Step-by-step explanation:

-2 - 5r = 18

+2         +2

––––––––

-5r = 20

/5     /5

––––––

-r = 4

/-1  /-1

–––––

r = -4

Ethan sold 2/3 gallon of lemonade. Kayla sold some lemonade too. Together, they sold 1 1/4 gallons. Who sold more lemonade, Ethan or Kayla? How much more ?

Answers

Rewrite 1 1/4 as an improper fraction:

1 1/4 = 5/4 gallons.

Rewrite both fractions with a common denominator:

2/3 = 8/12

5/4 = 15/12

Subtract the amount Ethan sold from total:

15/12 - 8/12 = 7/12

Kayla sold 7/12

This means Ethan sold more, because 8/12 is more than 7/12

Which characteristic is related to kenitic energy but not potential energy? A) An objects height B) An objects speed C) An objects shape D) An objects mass

Answers

Answer:

b. an objects speed

Step-by-step explanation:

because the kinetic energy is energy that is produce by movement but potential is not produce by movement

For f(x) =8x+11, find f(x) when x = 4.

Answers

Answer:

43

Step-by-step explanation:

Plug x in.

8(4)+11=32+11=43

Hope I helped!

Answer:

43

Step-by-step explanation:

f(x) = 8x + 11

x = 4

f(4) = 8(4) + 11

f(4) = 32 + 11

f(4) = 43

The most common IQ tests have a standardized mean of 100 and a standard deviation of 15. Based on this information, use the empirical rule to answer the following question: If approximately 348 prospective college students are tested for their IQ, approximately how many will fall within one standard deviation of the mean

Answers

Answer:

Step-by-step explanation:

Empirical Rule establishes that 68% of the population will fall in the interval  μ₀ ± σ  Then

348*0,68 = 237

237 students will be between  ( 100-15 ; 100+15) That is

I = ( 85 ; 115 )

PLEASE HELP PLEASE!! I ATTACHED A PICTURE

Answers

Answer:

It's option 3

Step-by-step explanation:

Answer:

I think it is option 3 hopes that helps

A triangle has side lengths of (6p - 7) centimeters, ('7p - 2) centimeters, and
(69 - 9) centimeters.

Answers

Answer: 10

Step-by-st

(1+h): - 1
A. lim
h>0
h
f(0) =
х
a =
1
B. lim
h>0
cos(1 + h) +1
h
f(3) =
a =
7T
5(4+ h)" - 5120
C. lim
h->0
h
f(x) =
a =
4
o
D. lim
h 0
e4h - 1
h
f(x) =
a =
e
Х
Pls take a look at the picture

Answers

Each of these limits correspond to the derivative of some function f(x) at a point x = a.

Recall the limit definition of a function f(x) :

f '(x) = lim [h → 0] ( f(x + h) - f(x) ) / h

Then if x = a, we get

f '(a) = lim [h → 0] ( f(a + h) - f(a) ) / h

From here, it's easy to identify what each function and point should be:

(a) f (a + h) = (1 + h)¹ʹ³   →   f(x) = x ¹ʹ³ and a = 1

(that's a 1/3 in the exponent)

(b) f (a + h) = cos(π + h)   →   f(x) = cos(x) and a = π

(c) f (a + h) = 5 (4 + h)⁵   →   f(x) = 5x ⁵ and a = 4

(d) f (a + h) = exp(4h) = exp(4 (0 + h))   →   f(x) = exp(4x) and a = 0

(where exp(x) = )

11. There are 14 boys and 16 girls in Mr. Allen's
class. What is the ratio of girls to the total
number of students in the class? Write the
ratio in 3 ways.

Answers

Answer:

16 : 30,  16 to 30,  16/30

Step-by-step explanation:

Answer:

The ratio of boys to girls in the simplest form is 7:8

Step-by-step explanation:

There are 14 boys and 16 girls in a class. The ratio of boys to girls in the class is 14:16 or 7:8.

Factor
4y(3x+2)-2(3x+2)

Answers

Answer:

[tex]2(3x+2)(2y-1)[/tex]

Step-by-step explanation:

Hope I helped!

Answer:

(4y − 2)(3x + 2)

Step-by-step explanation:

4y(3x + 2) − 2(3x + 2) = (3x + 2)[4y − 2]



Express 90 as a fraction of 95.

Give your answer in its simplest form

Answers

Answer:

18/19

Step-by-step explanation:

90/95

Simplify

18/19

The children at Colin Powell Middle School donated 400 can goods to help
feed the homeless. 100 of the cans were corn. When the children sort the
cans in boxes, what is the probability (in percent) of the first can pulled
being a can of corn?

Answers

Answer:

25%

Step-by-step explanation:

400 divided by 100 = .25 which is 25%

What is the value of y = 7 – 2c when x =4?


When x = 4, y =?

Answers

The y -intercept of the graph of an equation is the y -coordinate of the point in the xy -plane where the graph intersects the y -axis. Thus the y -intercept can be found by setting x = 0

3. Margo has drawn a parallelogram and is giving you clues about it for a guessing game. If her
first clue is that the parallelogram has 4 congruent sides but does not have congruent
diagonals, which parallelogram could Margo have drawn?
A Trapezoid
B. Rhombus
C Rectangle
D. Square

Answers

Answer:

B) Rhombus

Step-by-step explanation:

4 congruent sides is either a square or a rhombus

a square has congruent diagonals but a rhombus does not

The parallelogram is a Rhombus Margo has drawn.

What is a Parallelogram?

A parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure.

How to solve?

As we know,

The diagonal lengths of a square are of the same measure. The diagonal lengths of a rhombus are of different measures.

So, the figure will be a Rhombus.

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8x = 63.2
How do I solve for x

Answers

Answer:

7.9

Step-by-step explanation:

8x=63.2

Simply divide 63.2 by 8 to get an answer of 7.9 :)

A person places $37700 in an investment account earning an annual rate of 5%,

compounded continuously. Using the formula V = Peșt, where Vis the value of the

account in t years, P is the principal initially invested, e is the base of a natural

logarithm, and r is the rate of interest, determine the amount of money, to the

nearest cent, in the account after 16 years.

Answers

Answer:

8,229,437 cents

Step-by-step explanation:

Using the compound interest formula;

A = P(1+r)^n

Given

Principal invested = $37700

rate r = 5% = 0.05

Time t = 16years

Substitute into the formula

A = 37700(1+0.05)^16

A  = 37700(1.05)^16

A = 37700(2.1829)

A = 82,294.37

Hence the amount of money, to the  nearest cent, in the account after 16 years is 8,229,437 cents

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