need help!!!!!!!!!!!

Need Help!!!!!!!!!!!

Answers

Answer 1

The ordered pair is a solution to the system of equations

Verify

[tex]2x+y=-5\\2(-3)+1=-5\\(-6)+1=-5\\-5=-5\\LS=RS[/tex]

[tex]4x+2y=-10\\4(-3)+2(1)=-10\\-12+2=-10\\-10=-10\\LS=RS[/tex]


Related Questions

please solve for me. please be right

Answers

Answer:

It would be 60

Step-by-step explanation:

So 3(3*5 + 5) so 3*5 would be 15, 15+5=20, and 20*3=60

This is really simple if you can't figure this out, you might as well go back to 1st grade and below

pls try before asking

The right Answer is 20 not really that hard but yea it’s 20

Which expression is equivalent to 5 sqrt 32x5y10z15?

Answers

The expression equivalent to 5 sqrt 32x5y10z15 is 2xy2z3

What are the solving steps and two
solutions to this equation using the quadratic formula?


-x^2-10x-21=0

Answers

Answer:

-x² - 10x -21 = 0

x² +10x +21 = 0

x² + 7x + 3x + 21 = 0

x ( x+7) + 3 (x+7) = 0

(x+3) (x+7) = 0

when (x+3) = 0,

   x = -3

Again,

(x+7) = 0

x = -7

Answer:

7 and 3

Step-by-step explanation:

-b +/- sqrt(b^2+4ac)/2a

10 +/- sqrt(100-84)/2

10 +/- 4/2

7 and 3

b) Work out the value of (2.92 × 106) + (4 × 10¯²) Give your answer in standard form.​

Answers

Step-by-step explanation:

[tex]3.0956 \times {10}^{2} [/tex]

is correct answer

Can someone help me on this i am stuck on it thanks

Answers

Answer:

36

Step-by-step explanation:

Given:

A kitchen shop sells bowls in sizes small, medium and large.

Draw a Venn diagram with 3 intersecting circles. Label each circle:

S = small bowlsM = medium bowlsL = large bowls

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

Given:

5 people bought all three sizes of bowl.

Enter "5" in the central overlapping section of the Venn diagram.

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

Given:

7 people bought a small bowl and a large bowl.

We know that 5 people bought all 3 bowls, so to find the number who bought a small and large bowl (but not a medium bowl):

⇒ 7 - 5 = 2

Enter "2" in the section S and L but not M.

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

Given:

In total, 27 people bought a small bowl, of which 12 also bought a medium bowl.

First, calculate the number of people who bought only a small and medium bowl (but not a large bowl).  We know that 5 people bought all 3 bowls, so subtract 5 from 12.

Enter "7" in the section S and M but not L

A total of 27 people bought a small bowl, so to find the number who bought a small bowl only (not a medium and/or large bowl), subtract the other found numbers from 27:

⇒ 27 - 5 - 2- 7 = 13

Enter "13" in the S only section.

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

Given:

In total, 66 people bought a medium bowl, of which 15 also bought a large bowl.

First, calculate the number of people who bought only a large and medium bowl (but not a small bowl).  We know that 5 people bought all 3 bowls, so subtract 5 from 15.

Enter "10" in the section M and L but not S

A total of 66 people bought a medium bowl, so to find the number who bought a medium bowl only, subtract the other found numbers:

⇒ 66 - 5 - 7 - 10 = 44

Enter "44" in the M only section.

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

Given:

On a given day, 100 people each bought at least one bowl from the shop.

To find "L only" subtract all the known numbers from 100:

⇒ 100 - 5 - 2 - 7 - 13 - 10 - 44 = 19

Enter "19" into the L only section.

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

Finally, to work out the total number of people that bought a large bowl, add up the numbers in the L circle:

⇒ 2 + 5 + 10 + 19 = 36

which has the same ratio as 8 inches/1 foot?

Answers

Answer:

16 inches/2 feet

Step-by-step explanation:

We already have our ratio of 8:1, so we can multiply this ratio by any number of out choosing and the ratio will still be the same.

Question
One hundred grams of radium are stored in a container. The amount R (in grams) of radium present after t years can be modeled by R=100e−0.00043t. After how many years will only 5 grams of radium be present? Round your answer to the nearest whole year.

It will take about ??
years for only 5 grams of radium to be present.

Answers

The number of years it would take for radium to be 5 grams is 6967 years.

After how many years will only 5 grams of radium be present?

The formula that is used to represent continuous compounding or continuous decay is:

FV = A x [tex]e^{-t}[/tex]  x N

Where:

A= amounte = 2.7182818N = number of yearsr = interest rate

5 = 100 x e^−0.00043 x t.

In order to determine the value of t, take the following steps:

Divide both sides by 100

5/100 = e^−0.00043 x t.

Then take the In of both sides

= 6967 years

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What is 10% of 79,775

Answers

Answer:

7977.5

Step-by-step explanation:

.10 times 79775 =7977.5

Answer: 7977.5

Step-by-Step Explanation:

Using Percentage Formula,
= 10/100 * 79775
= 1/10 * 79775
= 79775/10
= 7977.5

Therefore, 10% of 79775 = 7977.5

The Simpsons rented a trailer that was 8 feet long and 5 feet wide. If they load the trailer with 1-by-1-by-1-foot boxes to a height of 3 feet, how many boxes can be loaded onto the trailer?​

Answers

The total number of boxes that can be loaded onto the trailer is 27.

Here we have to determine the maximum number of boxes.

That can be stored in a locker by the volume of one box.

From the given information volume of the box is Vb and the volume f the locker is Vl.

What is the volume of the box?

[tex]Volume=Length\times width\times height[/tex]

Therefore we get,

[tex]V_b=4\times3\times2\\V_b=24ft^3[/tex]

The volume of the locker is

[tex]V_L=12\times6\times 9\\V_L=684ft^3[/tex]

Therefore the number of the maximum boxes are

[tex]\frac{VL}{V_b} =\frac{648}{24} \\=27[/tex]

Therefore, The total number of boxes can be loaded onto the trailer are 27.

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Use the given values of n and p to find the minimum usual value μ- 20 and the maximum usual value μ+20. Round your answer to the nearest hundredth unless otherwise noted.
n=713, p= 4/5

Answers

Answer:

μ - 2σ = 549.04μ + 2σ = 591.76

Step-by-step explanation:

Given the parameters of binomial distribution

n = 713, p = 4/5

We need to find the mean μ and the standard deviation σ to calculate required values

Follow the steps below

1. Find the mean

μ = n·p = 713*(4/5) = 570.4

2. Find the variance

σ² = np(1 - p) = 713*(4/5)*(1 - 4/5) = 114.08

3. Find the standard deviation

σ = √114.08 = 10.68 (rounded)

Find the minimum usual value

μ - 2σ = 570.4 - 2*10.68 = 549.04

Find the maximum usual value

μ + 2σ = 570.4 + 2*10.68 = 591.76

Answer:

Min:549.04; Max:591.76

Step-by-step explanation:

Which of the following is NOT equivalent to 16?
A:22 × 22
B:42
C:4(22)
D:(4 × 2)2

Answers

Answer:

D.(4x2)^2 = 64 not 16

a 3. A card is pulled from a standard deck of cards.
Can you find P(queen or hearts)? (make sure you aren't double counting!!!)l

Answers

Answer:    4/13

Explanation:

There are 13 hearts, including the queen of hearts. Then there are 3 more queens to get us to 13+3 = 16 cards we're after.

There are 16 cards we want out of 52 total, so the probability is 16/52 = (4*4)/(4*13) = 4/13

square root of 3 diveded by the square root of 2

Answers

Answer:

1.2 or if you round it is 1

Answer:

1.224744871 or (square root of 6)/2

Step-by-step explanation:

What is the area of a square that has a length of x-5?

Answers

Answer:

x^2 - 10x + 25

Step-by-step explanation:

(x-5) (x-5)

= x^2-10x+25

Answer:

Step-by-step explanation:

[tex]\text{Formula for the area of a square:}[/tex]

[tex]A=s^2[/tex] [tex](\text{"S" represents the side length} )[/tex]

[tex]\text{Given}[/tex]:

[tex]\text{The side length is x - 5, so we can plug that into the equation}[/tex]

[tex]\text{Solving}[/tex]:

[tex]A=s^2[/tex][tex]A=(x-5)^2[/tex][tex]A=x^2-10x+25[/tex]

easy points..........

Answers

Answer:

38°; 142°; 308°

Step-by-step explanation:

The solution of each question is self-explanatory.

Used properties

Vertical angles are congruentAngle sum property of circleCentral angle is same as intercepted arc measure#8mED = mAB = mAC - mBC = 90° - 52° = 38°#9mEA = mBCD = mBC + mCD = 52° + 90° = 142°#10mBDC = 360° - mBC = 360° - 52° = 308°

Answer:

38°; 142°; 308°

Step-by-step explanation:

belive me

What kind of shape is this ?

Answers

Answer:

prism

Step-by-step explanation:

when all the sides are joined, it will reveal the shape to become a prism.

Prism because it is a three dimensional shape

could i get help pleaseeeee

Answers

aboustouly tell me ur problem

Write down a number that has the same value as:
1-13.51

Answers

Answer:

The answer would have to be 5 but im not sure cause there are no answer choices.

Step-by-step explanation:

Find the probability of each event
A fair coin is flipped ten times. What is
the probability of the coin landing tails up
at least nine times?

Answers

Answer:

11/1024.

Step-by-step explanation:

Binomial Probability distribution.

This is the probability of 9 tails or 10 tails being flipped.

Prob ( 10 tails) = (1/2)^10 = 1/1024

Prob ( 9 tails) = 10C9 * 1/2^9* 1/2 = 5/512

Required probability =  1/1024 + 5/512

= 11/1024.

Dion flips a coin 20 times and records if it comes up heads. if getting heads is a success, what is the probability of a success on each roll? 0.2 0.3 0.5 1.00

Answers

The probability of a success on each roll of the coin that is filipped by Dion is 0.5.

What is the probability?

Probability is the likelihood that a stated event would occur. The odds the event occurs is 1 and the odds that the event does not happen is 0. If a coin is flipped, there is 50% chance of getting either a head or a tail.

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Answer:

its c

Step-by-step explanation:

.5 on edge! just took the test


David needs to choose a tie for a wedding. He has 4 solid color ties, 5
striped ties, and 3 cartoon ties. If his wife picks a tie for him at random,
what of the following is the probability that she will NOT choose a solid
color tie?
elect one:

Answers

The probability of not choosing the solid color tie by David's Wife will

be [tex]\frac{2}{3}[/tex].

What is Probability?

Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event.

Number of solid Color ties= 4Number of cartoon ties= 3Number of stripped ties= 5

Total Number of ties= 4+3+5 =12

Probability of not choosing the solid color tie

=[tex]\frac{Total\; ties- \; Number\; of \;Solid\; ties}{Total\; number \;of \;ties}[/tex]

=[tex]\frac{12-4}{12}[/tex]

= [tex]\frac{8}{12}[/tex]

=[tex]\frac{2}{3}[/tex]

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4 + 7 + 9 + 5 - 44? pls HELPPPPP!!!!!!!!!!!!!!!

Answers

Answer:

-19.

Step-by-step explanation:

4 + 7 + 9 + 5 - 44

Doing the adds first;

= 25 - 44

= -19.

Answer: -19

Step-by-Step Explanation:

=> 4 + 7 + 9 + 5 - 44
= 11 + 9 + 5 - 44
= 20 + 5 - 44
= 25 - 44
=> -19

Identify the measure of arc AD◠.

Answers

Answer:

36

Step-by-step explanation:

18*2 = 36

State the degree and dominant term of this polynomial
function. (2 marks)[tex]f(x)=2x(x-3)^3(x+1)(4x-2)[/tex]

Answers

The degree of the polynomial f(x) = 2x(x - 3)³(x + 1)(4x - 2) is 6, and the dominant term is - 216x²

The degree of the polynomial?

The polynomial function is given as:

f(x) = 2x(x - 3)³(x + 1)(4x - 2)

To determine the degree, we simply add the multiplicities.

So, we have:

Degree = 1 + 3 + 1 + 1

Evaluate

Degree = 6

Hence, the degree of the polynomial is 6

The dominant term of the polynomial

We have:

f(x) = 2x(x - 3)³(x + 1)(4x - 2)

Expand

f(x) = 8x⁶ - 68x⁵ + 176x⁴ - 72x³ - 216x² + 108x

The term with the highest absolute value is - 216x²

Hence, the dominant term is - 216x²

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An employee of a store's gift wrapping center is wrapping 8 gifts
same size box. The dimensions of the box are shown to the right
A Find the volume of the box to see how much space is available to place
packages. Show your work
B. How much wrapping paper is needed to wrap ONE box? Show your
work
If there is only 160 square feet of wrapping paper left, will the employee
be able to wrap all of the gifts? Explain.

Answers

Part A:

The area A of a rectangle is A = bh, where b is the base of the rectangle and h is the height. The area of each rectangle with side lengths 1.5 ft and 2 ft is 1.5 × 2 = 3ft2. Since there are two rectangles with these dimensions, the combined area is 2 × 3 = 6 ft2. The area of each rectangle with side lengths 1.5 ft and 2.5 ft is 1.5 × 2.5 = 3.75 ft2. The area of each rectangle with side lengths 2 ft and 2.5 ft is 2 × 2.5 = 5 ft2. Since there are two rectangles of each type, the combined area is 2 × 3.75 + 2 × 5 =17.5 ft2. So, the total surface area of the box is 6 ft2+ 17.5 ft2 = 23.5 ft2

Part B:

The employee needs to wrap 8 boxes, each with a surface area of 23.5 ft2. So, the combined surface area needing to be wrapped is 8 × 23.5 = 188 ft2. Since there is only 160 square feet of wrapping paper left, the employee will not be able to wrap all of the gifts

What is the sum of 7 1/12 + 8 1/12 + 3 1/12?

Answers

Answer:

8,064 I'm sure that's is answer

Solve this proportion: ​

Answers

The answer to this proportion would be X=4

Answer:

4

Step-by-step explanation:

14 is 2/3 of 21

6 x 2/3

4

What’s a 1/3 as a whole number

Answers

Answer:

a repeating term of .3

Step-by-step explanation:

1/3 = 1 divided by 3

1 divided by 3 = .33333333333333333333

that is called a repeating term

[tex]\frac{1}{3}[/tex] = .3

Answer: 1/3 is .3333333 on going

it cant be a whole number

F(x, y, z) = yzi 9xzj exyk, c is the circle x2 y2 = 9, z = 1

Answers

The value of curlF.dS is 72π if the F(x, y, z) = yzi 9xzj exyk, c is the circle x2 y2 = 9, z = 1

What is integration?

It is defined as the mathematical calculation by which we can sum up all the smaller parts into a unit.

We have:

[tex]\rm F(x, y, z) = yzi+ 9xzj+ e^{xy}k[/tex]

And curl is x²+y²= 9 and z =1

In the parametric form:

[tex]\rm \vec{r}(t) = 3cost \vec{i}+3sint \vec{j}+\vec{k}[/tex]  0 ≤ t ≤ 2π

First two component represent the circle and last one represent the z =1

Using Stoke's theorem:

[tex]\rm \int\limits\int\limits_S {curl \ \ve{F}.d\vec{S}} = \int\limits_C {\vec{F}} \, .d\vec{r } = \int\limits^{2\pi}_0 {\fec{F}(\vec{r}(t)).\vec(r)t} \, dt[/tex]

Here:

[tex]\rm \vec{F}(\vec{r}(t)) = 3sint \vec{i}+27cost \vec{j}+e^{cost.sint}\vec{k}[/tex]

Now calculate the dot product of curl F and dS we get:

[tex]\rm \int\limits\int\limits_S {curl \ \ve{F}.d\vec{S}} = \int\limits^{2\pi}_0 (-9sin^2t+81cos^2t)dt[/tex]

After solving the above integral, we will get:

[tex]\rm \int\limits\int\limits_S {curl \ \ve{F}.d\vec{S}} = 72\pi[/tex]

Thus, the value of curlF.dS is 72π if the F(x, y, z) = yzi 9xzj exyk, c is the circle x2 y2 = 9, z = 1

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If the right triangle's dimensions are enlarged by 3 units, the new height would be *blank* units. Just write the numerical answer.

Answers

Answer

5

Step-by-step explanation:

there are already 2 units in height therefore 2 plus 3 is 5

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