Answer:
the slope is -1
Step-by-step explanation:
formula for slope is (y2-y1)/(x2-x1)
lets say (-2,-3) is (x2,y2)
-3-(-5)=2
-2-0=-2
2/-2=-1
Find a polynomial f(x) of degree 3 with real coefficients and the following zeros. -2,- 2+i.
Answer:
f(x) = x^3 + 2x^2 + x + 2
Step-by-step explanation:
If -2 + i is a zero, then -2 - i must also be a zero.
These zeros are -2, -2 + i and -2 - i, and the corresponding factors of the polynomail f(x) are (x + 2), (x + 2 - i) and (x + 2 + i).
(x + 2 - i) and (x + 2 + i) multiplied together becomes x^2 + 1.
Multiplying this result by the 3rd and last factor, (x + 2), we get
(x^2 + 1)(x + 2) = x^3 + 2x^2 + x + 2
Check, using synthetic division. What are the factors of x^3 + 2x^2 + x + 2?
-2 / 1 2 1 2
-2 -2 -2
-----------------------
1 0 -1 0 Since the remainder is zero, we know that
(x + 2) is a factor and -2 is a root.
which of the expressions have a value of 2?
Answer:
The answers are B and E
Step-by-step explanation:
The square root of 4 is 2.
The cube root of 8 is 2.
A is wrong because its value is 4.
C is wrong because its value is 4.
D is wrong because the square root of 8 isn't whole.
Answer:
E. √4
B. ³√8
Step-by-step explanation:
You can find this simply by putting it into a calculator if you have access to one. Just type √ and 4. If you don't have a calculator, you can just use the knowledge that 2 × 2 = 4, hence why it's the square root of 4 :)
You can also determine that B is correct by doing 2 to the power of 3.
2³ = 8, so you know that B is correct too.
CAN SOMEONE PLEASE HELP ME
Answer: <ACB = 50 degrees
Step-by-step explanation: Since the interior angles of a triangle is always equal to 180 degrees, you would add both given degrees which is 40 and 90 (because of the right angle) and then subtract that answer (130) from 180
Suppose you and your friends form a band and you want to record a demo. Studio A rents for $125 plus $50 an hour and Studio B rents for $200 and $30 an hour. Let t = the number of hours and c = cost.
Write an equation to represent the cost at each studio (2 points)
Solve the system (2 points)
Write the solution as a point (x, y) (2 points)
Answer:
Cost A = 125 + 50t
Cost B = 200 + 25t
Step-by-step explanation:
Answer:
Cost A = 125 + 50t
Cost B = 200 + 25t
Step-by-step explanation:
(2,200) And also the graph
15 more please help me it’s due tonight
Answer:
A because each avocado would cost 3.50 based on the graph
Answer:
A) Avocados cost $3.50 each.
Step-by-step explanation:
Go to the point on the graph and you will see that 5 avocados costs $17.50. Divide 5 from 17.50 and you get that 1 avocado costs $3.50
Estimate the value of the integral from negative 2 to 4 of x cubed, dx by using the Trapezoidal Rule with n = 3. (5 points)
252
128
63
72
Answer:
Good luck on your test guys, Did a lil digging for this one
Step-by-step explanation:
The radius of a circle is 6 centimeters.
Enter the area of the circle, in square centimeters.
Round your answer to the nearest hundredth.
Answer:
113.04
Step-by-step explanation:
Enter the area of the circle, in square centimeters. Round your answer to the nearest hundredth. 1.
mr.rai sells a watch set for rs2,035 at 10% profit . how much money has he paid to buy the watch also find profit amount
Answer:
paid to buy = 1850
profit = 10%
Step-by-step explanation:
2035 = 110%
1% ~ = 18.5
100% = 1850
2035 - 1850 = 185
185 / 1850 * 100 = 10% profit
8. (1 point)
A kayaker estimates the angle of elevation to the top of a cliff to be 20°.
He paddles closer to the cliff and the angle of elevation changes to 45°.
How you would determine the distance to the cliff, if it is possible?
a.
not possible
b. the cosine law
c. primary trigonometric ratios
d. the sine law
Answer:
a. not possible
Melissa bought a snickers bar and a gatorade for a combined $5.65. There was a tax of
8% added to the price of her
Answer:
6.102
Step-by-step explanation:
round it to 6.10 dollars !
The Brooklyn Bridge has towers that reach a height of 276 feet above
the water level. The foundation is 78 feet below the water level. What
is the distance from the top of the towers to the foundation?
Answer:
354
Step-by-step explanation:
276+78
354
Does this line represent a function? Yes or no
Answer:
Yes
Step-by-step explanation:
The line is straight, showing a linear relationship between x and y.
Answer:
yes this does represent a funtion
Step-by-step explanation:
because if we use the vertical line test where you get a pencil and put it the graph verticaly any where thier is no points on the graph that toch the pencil twice
Simplify (5x3 + 7x – 8) + (2x3 – 5x2 – x + 3). Choose the standard form of the answer.
I need help with this last question!!!!
Answer:
h=43
Step-by-step explanation:
t=35
35/5 =7
50-7 =43
How many ounces are in 18 pounds?
144 ounces
180 ounces
216 ounces
288 ounces
Answer:
it would be 288
Step-by-step explanation:
there are 16 ounces in 1 pound so if you took 16 x 18 it would give you 288.
i did that becasue if theres
so with 18 pounds and 16 onzes are in 1 pound so I multipyed them togher to get 288
i checkd this with my bio teacher she said 288 is corrcet.
If a : b = 8 : 7 and a : c = 10 : 7 write the ratio b : c in simplest form.
Answer:
Step-by-step explanatin
watch Monday Night Raw and you'll get the answer
Two angles are supplementary. One angle is five times larger than the other. What are the measures of the two angles.
Answer:
30 degrees ; 150 degrees
Step-by-step explanation:
1) rememeber that two supplementary angles have their sum equals to 180 degrees
2) write an equation with the given information
x + 5x = 180
2) solve the equation
- added up the terms with x
6x = 180
- divide the two members by 6
x = 30
- find the second angle by multiplying 30 by 5
150
I need help with this!
Answers:
FalseTrueTrueFalseTrueFalse===============================================
Explanations:
If we can write a number as a ratio (or fraction) of two whole numbers, then that number is considered rational. The denominator can never be 0. In the case of 6/4, this is a rational number. Therefore, the statement "6/4 is irrational" is false. This is a true statement. We cannot write sqrt(2) as a fraction of two integers. The proof of this is fairly lengthy, but one way is to use a proof by contradiction to show that sqrt(2) = a/b is impossible. Since we cannot make sqrt(2) into a ratio of two integers, we consider it irrational.This is a true statement. Any terminating decimal is always rational. In this case, 1.3 = 13/10.This is false. Any repeating decimal can be converted to a fraction through a bit of work. It turns out that 17.979797... = 1780/99 which makes the value to be rational.Any integer is rational. We can write the integer over 1. So something like -16 is the same as -16/1, showing how it is rational. So that's why this statement is true.This statement is false because we found true statements earlier.What is the value of x?
Which quadrilateral makes this statement true?
Quadrilateral ABCD
В
46
26
26
A (98
98)
118
11.7 11.7
D
Quadrilateral ABCD
Answer:i have no idea
Step-by-step explanation:
Does n e one get t?
Mary creates a stack of 10 of piece M and a stack of 8 of piece N. Both stacks have equal volumes
What is the area of the parallelogram?
Answer:
no se
tep-by-step explanation:
HELP ME AGAIN I MIGHT PASS
Answer:
x=70
Step-by-step explanation:
it's 70 because 50 and 20 is proportional to x
Answer:
70
Step-by-step explanation:
The angles <FEB and <AEG are vertical angles. This means they have the same measurement. To find <FEB add the two angles <FED and <DEB together. This equals 70; therefore, x must also be equal to 70 degrees.
3. This equation can be used to find p, the dollar amount of Ms. Steven's last paycheck.
p = 315 +85 x 3
What was the amount of Ms. Steven's paycheck?
What is the length of the ladder? it’s 6 ft. from the house at the bottom and touches the wall 14 ft. up at the top.
Answer:
approx. 15.23
Step-by-step explanation:
6^2+14^2=c^2
Find sin(2x), cos(2x), and tan(2x) from the given information.
sin(x) = - 8/17, x in Quadrant III
Which associations best describe the scatter plot?
Select each correct answer.
A. Nonlinear association
B. Negative association
C. Linear association
D. Positive association
Answer: i think hope this helps
Step-by-step explanation:
PLZZ HELP ASAP
just click the pic for it to be bigger.
Answer:
5
Step-by-step explanation:
A cylinder has a height of 16 yards. Its base has a radius of 7 yards.
Find its volume, in cubic yards, to the nearest tenth. Use 3.14 or the
calculator value for pi.
Answer:
[tex]\boxed {\boxed {\sf v= 2463.0 \ yd^3}}[/tex]
Step-by-step explanation:
The volume of a cylinder is found using the following formula:
[tex]v= \pi r^2h[/tex]
The height of the cylinder is 16 yards and the radius is 7 yards. Let's use the pi button on a calculator for pi. Substitute these values into the formula.
[tex]v= \pi* (7 \ yd)^2 * 16 \ yd[/tex]
Solve the exponent.
(7 yd)²= 7 yd* 7 yd= 49 yd²[tex]v= \pi * 49 \ yd^2 *16 \ yd[/tex]
Multiply the three numbers together.
[tex]v= \pi *784 \ yd^3\\v=2463.00864041 \ yd ^3[/tex]
Round to the nearest tenth.
[tex]2463.0\underline0864041[/tex]The 0 in the hundredth place tells us to leave the 0 in the tenth place.
[tex]v= 2463.0 \ yd^3[/tex]
The volume of the cylinder is 2463.0 cubic yards.
Jim wants to make a 4 letter password. He cannot repeat any letters in his password.How many combinations can he make
My previous answer was incorrect, sorry for that... the correct answer would be 358,800
[tex]\huge\text{Hey there!}[/tex]
[tex]\large\text{He has 26 letters all together (A - Z)}[/tex]
[tex]\large\text{25 if he starts from his second letter (B - Z)}[/tex]
[tex]\large\text{24 if he starts from his third letter (C - Z)}[/tex]
[tex]\large\text{ 23 if he starts from his fourth letter (D - Z)}[/tex]
[tex]\mathsf{26\times25\times24\times23}[/tex]
[tex]\mathsf{26\times 25 = \bf 650}[/tex]
[tex]\mathsf{650\times24\times23}[/tex]
[tex]\mathsf{650\times24 = \bf 15,600}[/tex]
[tex]\mathsf{15,600\times 23}[/tex]
[tex]\mathsf{ =\bf 358,800}[/tex]
[tex]\boxed{\boxed{\large\text{Answer: \huge \bf 358,800}}}\huge\checkmark[/tex]
[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
