Evaluate the expression for t = –2.

t2 + 21t − 56 =

Answers

Answer 1

Answer:

-94

Step-by-step explanation:

t² + 21t - 56

(-2)² + 21(-2) - 56

4 - 42 - 56

-38 - 56

-94

Best of Luck!


Related Questions

find four rational numbers between-5 and -4​

Answers

Answer:

-41/10, -42/10, -43/10, -45/10

Step-by-step explanation:

multiply with 10 in numerator and denominator in -5/1 and -4/1

-5×10/1×10 , -4×10/1×10

you will get,

-50/10 , -40/10

now u can find the four rational numbers

four rational no's:  -41/10, -42/10, -43/10, -45/10

hope u understood:)

if 150 grams is 9 dollars how much is 1 gram

Answers

Answer:

16.6666... or 16.66 with bar notation or 16.67 or 16 with the least amount or 17 but mainly 16.67

Step-by-step explanation:

Which graph shows all the values that satisfy Two-ninths x + 3 greater-than 4 and five-ninths

A number line goes from negative 10 to positive 10. An open circle appears at positive 7. The number line is shaded from positive 7 toward positive 10.

A number line goes from negative 10 to positive 10. An open circle appears at positive 7. The number line is shaded from positive 7 toward negative 10.

A number line goes from negative 10 to positive 10. An open circle appears at negative 7. The number line is shaded from negative 7 toward negative 10.

A number line goes from negative 10 to positive 10. An open circle appears at negative 7. The number line is shaded from negative 7 toward positive 10.

Answers

Answer:

the second one

Step-by-step explanation:

edge 2020

Answer:

b .

Step-by-step explanation:

2. Which of the following numbers is not greater than -7.4
a. -8.1
b. -2
c. 3
d. 0
3.
Select all of the numbers that are greater than -5.

Answers

Answer:

a. -8.1

The numbers that are greater than -5 are -2, 3 and 0.

Hope it helps.

A skateboard travels 55 feet in 4 seconds. Is the skateboard going faster, slower, or the same speed as the scooter?

Answers

Answer:

Slower.

Step-by-step explanation:

I belive it is slower because the scooter was 30 feet per 2 seconds. 30+30+60 feet, 2+2= 4 seconds= 60 feet and 4 seconds which makes the 55 feet per 4 seconds slower.

40+6X = -7(4x+4)
Enter you answer

Answers

Answer:

x = -2

Step-by-step explanation:

40+6X = -7(4x+4)

Distribute

40 +6x = -28x -28

Add 28x to each side

40 + 6x +28x = -28x-28 +28x

40 + 34x = 28

Subtract 40 from each side

40 + 34x -40 = -28-40

34x = -68

Divide each side by 34

34x/34 = -68/34

x = -2

Step-by-step explanation:

[tex]40 + 6x = - 7(4x + 4) \\ 40 + 6x = - 28x - 28 \\ 6x + 28x = - 28 - 40 \\ 34x = - 68 \\ \\ x = - \frac{68}{34} \\ \\ x = - 2[/tex]

What number is positioned at point B?

Answers

Answer:

the answer is 5.3 i believe

Answer:

-5.5

Step-by-step explanation:

The answer is -5.5

What is the equation for the line parallel to y= -4x + 12 that passes through point (6,-2)? Choose the answer in point slope form and slope intercept form.
(Answer choices)
y - 2= 4(x + 6)
y + 2= -4(x - 6)
y + 2= -1/4(x - 6)
y= -4x+ 22
y= 1/4 x+ 26
y= 4x + 24
PLEASE HELP I WILL GIVE THE BRAINLIEST ANSWER TO WHOEVER DOES!

Answers

Answer:

A

Step-by-step explanation:

Ik it is

Which system of linear inequalities is represented by the graph?
y > x-2 and x – 2y < 4
y > x + 2 and x + 2y < 4
y > x-2 and x + 2y < 4
y> x-2 and x + 2y ​

Answers

Answer: It’s C on Edge i think

Step-by-step explanation:

E2021?

The system of linear inequalities is represented by the graph is y > x-2 and x + 2y < 4

Equation of a line

The formula for finding the equation of a line is expressed as y =mx +b

m is the slope

b is the y-intercept

For the dashed line (4,0)and (0,2)

Slope = 2/-4
Slope =  -1/2

The equation is y = -1/2x + 2 = 2y =-x + 4

The inequality equation will be x + 2y < 4

The system of linear inequalities is represented by the graph is y > x-2 and x + 2y < 4

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3x - y = 4
x + 2y = 6
Solve the system of equations.
A)
(-2,-2)
B)
(2-2)
09
(2.5,1.75)
D)
(2,2)

Answers

Answer:

the awnser is 92.5,1.75)

Step-by-step explanation:

The Solution of system of equation is (2, 2).

What is Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides. LHS = RHS is a common mathematical formula.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given:

3x - y = 4............(1)

x + 2y = 6..............(2)

Solving equation (1) and (2) we get

3(6- 2y) -y = 4

18 - 6y - y = 4

18 -7y = 4

14 = 7y

y = 2

and, x= 6-2(2)

x = 6- 4

x= 2

Hence, the solution is (2, 2)

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Use the calculator to graph the functions y = -x + 5 + 2 and y=-(x - 1)2 + 3. Which statement is true?
The functions have one point of intersection.
o The function y = -x + 5] + 2 has the greater y-intercept.
The function y = -(x - 1)2 + 3 has the greater maximum.
The functions are both decreasing over the interval (- : -5].

Answers

The y is greater than the function

Answer: c

Step-by-step explanation:

Name the vertex and sides of the angle. Then estimate its measures.

Answers

Answer:

The vertex is E, the sides are D and F, and it's estimate measurement is 30°.

Step-by-step explanation:

The vertex is the common point at which the two lines or rays are joined. The sides of an angle are the two lines that make it up. And explanation for the measurement.. It looks about 30° to me sooo uh yeah-

Given that p(x)=3x^2-2x+1. Find p(3) and p(x+1)
p(3)= p(x+1)=

please show work

Answers

Answer:

3[2+1]

Step-by-step explanation:

p=3

On days 1 and 2 how much blue paint did Marc use? How much yellow paint?

Answers

0 cause there is no yellow paint there is only blue paint
0 because there isn’t any

Identify the segment bisector of MN Then find MN.
????????? Helppp pleaseee

Answers

Given:

The figure.

To find:

The segment bisector of MN and value of MN.

Solution:

From the given figure it is clear that ray RP,i.e., [tex]\overrightarrow {RP}[/tex] is the segment bisector of MN because it divides segment MN in two equal parts.

Now,

[tex]3\dfrac{5}{6}=\dfrac{3\times 6+5}{6}[/tex]

[tex]3\dfrac{5}{6}=\dfrac{23}{6}[/tex]

Since, [tex]\overrightarrow {RP}[/tex] is the segment bisector of MN, therefore,

[tex]MN=2\times \dfrac{23}{6}[/tex]

[tex]MN=\dfrac{23}{3}[/tex]

[tex]MN=7\dfrac{2}{3}[/tex]

Therefore, the length of MN is [tex]7\dfrac{2}{3}[/tex].

The Millers receive a dinner bill for $122.75. The sales tax rate is 8%. They want to leave an 18% tip on the total bill after tax. How much money will they pay for their dinner with tax and tip?

Answers

Answer: 156.43

Step-by-step explanation:

Millers receive a dinner bill for $122.75. The sales tax rate is 8%. They want to leave an 18% tip on the total bill after tax. Then he pay 156.43 on total bill.

What is Percentage?

Percentage, a relative value indicating hundredth parts of any quantity.

Given that,

Millers receive a dinner bill for $122.75.

The sales tax rate is 8%.

8/100=0.08

8% of bill is 0.08×122.75=9.82

After adding tax to the bill we get 122.75+9.82

=132.57.

18% tip on the total bill after tax is added

18/100=0.18

0.18 of 132.57

0.18×132.57

=23.86

The total bill is 132.57+23.86

=156.43

Hence $156.43 will they pay for their dinner with tax and tip.

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Solve |3x - 4| = 6


A. {-10/3, 10/3}

B. {-2/3, 10/3}

C. {-2/3, 2/3}

Answers

B. {-2/3, 10/3}
|3x-4|=6
3x=10
X=10/3

-3x=2
X=-2/3

What is an equation for this line?

Answers

The equation for the line is
Y=1x+0 or just Y=1x

Jill owns a cupcake shop. In her 2nd month of business, Jill sold 330 cupcakes. In the 6th month, she sold 918 cupcakes. The growth of the business can be modeled by a linear equation.

Answers

The linear expression which models Jill's business growth is y = 147x + 36

Sales made by Jill :

2nd month = 330 cupcakes 6th month = 918 cupcakes

General form of a linear model :

y = bx + c y = final or predicted amount b = slope or growth rate c = intercept x = number of months

We can calculate the amount sold per month :

(6th month sale - 2nd month sale) / Number of months

b = (918 - 330) / (6 - 2) = 588 / 4 = 147

Using the second month ;

330 = 147x + c

x = 2

330 = 147(2) + c

330 = 294 + c

c = 330 - 294

c = 36

Therefore, the linear model can be expressed thus ;

y = 147x + 36

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Hurry please at a grand opening sale 20% of the first of 500 customers won a prize. How many of the first 500 did not win a prize?

Answers

Answer:

400

Step-by-step explanation:

10% is 50, so 20% would be 100, which is how many people won. That means 400 didn't win.

Abby is adopting kittens from the pet store. if there are 18 kittens, how many ways can she choose 2 kittens?​

Answers

Answer:

18 divided by 2 is 9 I'm bad at math

Write the equation of a function whose parent function, f(x)= x + 6, is shifted 4 units to the right. Og%) = x - 10 O g(x)=-4 Og%) = x + 2 Ogl/)=+ 10​

Answers

Given:

The parent function is

[tex]f(x)=x+6[/tex]

To find:

The equation of a function whose parent function, f(x)= x + 6, is shifted 4 units to the right.

Solution:

If parent function f(x) is shifted a units to the right to get the function g(x), then

[tex]g(x)=f(x-a)[/tex]

Here, a=4 units.

[tex]g(x)=f(x-4)[/tex]

[tex]g(x)=(x-4)+6[/tex]          [tex][\because f(x)=x+6][/tex]

[tex]g(x)=x+2[/tex]

Therefore, the required function is [tex]g(x)=x+2[/tex] and option C is correct.

In its first year of operation, big Lake Camp had 40 campers. This year's attendence was 180 percent of the first year's. How many campers participated this year

Answers

Answer:

72 campers I think is the correct answer

8 sets of 3 positive tiles.
Which of the following multiplication expressions can be modeled by the tiles shown? Check all that apply. 8(3) = 246 (4) = 24(3) (12) = 3624(3) = 723 (8) = 242(12) = 24

Answers

Answer:

A & E

Step-by-step explanation:

Answer:

A and E this is correct

Step-by-step explanation:no

7√6 x √27 is equal to

Answers

Answer:

[tex]63\sqrt{2}[/tex]

Step-by-step explanation:

[tex]7\sqrt{6}* \sqrt{27} \\=7\sqrt2\sqrt{3} * \sqrt{9} \sqrt{3}\\ =7\sqrt{2}\sqrt{3} *3\sqrt{3}\\ =\sqrt{2} *3*3*7\\=63\sqrt{2}[/tex]

Which sequence shows the numbers in order from least to greatest?

Answers

Answer:

it is C when I calculate

How do you find the 1st, 2nd and 3rd quartiles of a given data set?

Answers

Answer:

The first quartile, denoted by Q1 , is the median of the lower half of the data set. This means that about 25% of the numbers in the data set lie below Q1 and about 75% lie above Q1 . The third quartile, denoted by Q3 , is the median of the upper half of the data set

Step-by-step explanation:

URGENTE!!!!!!!!!!

1-Calcule o valor da coordenada x do ponto A (x,5) sabendo que a distância entre A e B (4,1) é 5. *


a-3

b-0 ou 7

c-0 ou 6

d-1 ou 6

e-1 ou 7



2-Dado um segmento de reta AB cujas extremidades estão nas coordenadas A (1, 3) e B (– 1, – 3), quais são as coordenadas do seu ponto médio? *


a-M (0,0)

b-M (1, -3)

c-M (1,1)

d-M (-1,-1)

e-M (-1, 3)



3-Dadas as coordenadas do ponto médio M (2, 4), quais são as coordenadas da extremidade A do segmento de reta que o contém, sabendo que a outra extremidade está no ponto B (10, 10)? *


a-A (-2,-2)

b-A (0, 0)

c-A (-2, -6)

d-A (-6, -2)

e-A (-6, -6)

Answers

Answer:

1 is b

2 is e

3 is a

Step-by-step explanation:

it is so easze

One restaurant uses 5 quarts of soup to make 20 equal servings. Another restaurant uses 7 quarts of soup to make 25 equal servings. Which restaurant has larger servings of soup? Write division expressions to represent the problem and then solve.

Answers

Answer:

2nd restaurant

Step-by-step explanation:

Provided first restaurant uses 5 quarts of soup, and that total of 5 quarts of soup is equally divided in 20 bowls.

So each bowl has = [tex]\frac{Total\ quantity\ of\ soup}{total\ number\ of\ bowls} = \frac{5}{20} = 0.25\ quarts\ in\ each\ bowl[/tex]

On the other hand the second restaurant uses 7 quarts of soup for 25 bowls.

Quantity in each bowl = [tex]\frac{7\ quarts}{25\ bowls} = 0.28\ quarts[/tex]

Since the quantity of soup is more in each bowl of second case that is 0.28 quarts, it serves more soup.

5
x
+
2
y
=
26
3
x
+
2
y
=
14

Answers

Answer:

x = 6, y =-2

Step-by-step explanation:

5x+2y = 26

3x+2y = 14

Subtract the two equations to eliminate y

5x+2y = 26

-3x-2y = -14

---------------------

2x       = 12

Divide by 2

2x/2 = 12/2

x = 6

Now find y

3x+2y = 14

3*6+2y = 14

18+2y = 14

Subtract 18 from each side

18+2y-18 =14-18

2y = -4

Divide by 2

2y/2 = -4/2

y = -2

Answer:

x=6

y=-2

Step-by-step explanation:

5x+2y=26

3x+2y=14

subtract

2x=12

x=12/2=6

3(6)+2y=14

2y=14-18=-4

y=-4/2=-2

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