1........... 5x (3x +2)
2..........(-7ab)(2a^2bc) (4bc^2)
3.............3x^2(X-5)-X(X^2+3X)
4............5x^2 +4y^2-(2x^2+6y^2)

Answers

Answer 1

You do 3832083082x 32u393829832983x to get this 5,418


Related Questions

how do you do this please help

Answers

Answer: can u be more direct plz

Step-by-step explanation:

helppppppppppppppppppppp

Answers

Answer:

[tex] \frac{ {x}^{2} + - 4x - 2 }{ {x}^{2} - 4 } + \frac{8x + 6}{{x}^{2} - 4} \\ = \frac{ {x}^{2} + - 4x + 8x - 2 + 6 }{ {x}^{2} - 4 } \\ = \frac{ {x}^{2} + 4x + 4 }{ {x}^{2} - 4 } \\ = \frac{ {(x + 2)}^{2} }{(x - 2)(x + 2)} \\ = \frac{x + 2}{x - 2} [/tex]

check which of the following numbers are in proportion,10,20,30,40

Answers

t2-t1=20-10=10 t3-t2=30-20=10. t4-t3=40-30=10 therefore it is in proportion

An electrician leans an extension ladder against the outside wall of a house so that it reaches an electric box 23 feet up. The ladder makes an angle of 75^{\circ}

with the ground. Find the length of the ladder. Round your answer to the nearest hundredth of a foot if necessary.

Answers

The length of the ladder that makes an angle of 75 degrees and lies against the wall of a house that's 23 feet tall is approximately 25.88 feet.

The ladder forms a right triangle as it lies against the wall as shown in the image below.

Thus:

x = length of the ladder (hypothenuse)

Reference angle [tex](\theta) = 75^{\circ}[/tex]

25 ft = Opposite

Apply SOH:

Thus,

[tex]sin(\theta) = \frac{Opposite}{Hypotenuse}[/tex]

Plug in the values

[tex]sin(75) = \frac{25}{x}\\\\x = \frac{25}{sin(75)} \\\\\mathbf{x = 25.88}[/tex]

Therefore, the length of the ladder that makes an angle of 75 degrees and lies against the wall of a house that's 23 feet tall is approximately 25.88 feet.

Learn more here:

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Answer:

x=32.09 feet long

Step-by-step explanation:

Find the value of x and then identify the measure of each of the angles.

Answers

Answer:

x° = 22°

Step-by-step explanation:

[tex](x + {46}^{o} ) + {x}^{o} = {90}^{o} \\ {x}^{o} + {46}^{o} + {x}^{o} = {90}^{o} \\ {2x}^{o} + {46}^{o} = {90}^{o} \\ {2x}^{o} = {90}^{o} - {46}^{o} \\ {2x}^{o} = {44}^{o} \\ {x}^{o} = \frac{ {44}^{o} }{2} \\ {x}^{o} = {22}^{o} \\ [/tex]

what is 7/10 ÷ 3/8 ? plz i need help

Answers

Answer:

28/15

Step-by-step explanation:

have a wonderful day :)

Answer:

1 13/15

Step-by-step explanation:

7/10 ÷ 3/8

Copy dot flip

7/10 * 8/3

Rewrite

7/3 * 8/10

Simplify

7/3 * 4/5

Multiply

28/15

Change to a mixed number

15 goes into 28 1 time with 13 left over

1 13/15

Can someone please help me with this?

Find the x- and y-intercepts of the equation.
4x − 2y = 2

(A) (1/2,0). (0,1)
(B). (2, 0), (0, −1)
(C). (2, 0), (0, −1)
(D). (1/2, 0), (0, −1)

Answers

Answer:

Option D

Step-by-step explanation:

Convert to slope-intercept form:

[tex]4x-2y=2[/tex]

[tex]-2y=2-4x[/tex]

[tex]y=-1+2x[/tex]

[tex]y=2x-1[/tex]

Find the x-intercept by plugging in y=0:

[tex]y=2x-1[/tex]

[tex]0=2x-1[/tex]

[tex]1=2x[/tex]

[tex]\frac{1}{2}=x[/tex]

[tex]x=\frac{1}{2}[/tex]

Therefore, the x-intercept is [tex](\frac{1}{2},0)[/tex]

Find the y-intercept by plugging in x=0:

[tex]y=2x-1[/tex]

[tex]y=2(0)-1[/tex]

[tex]y=0-1[/tex]

[tex]y=-1[/tex]

Therefore, the y-intercept is [tex](0,-1)[/tex]

So, the correct answer is option D.

Answer:

D

Step-by-step explanation:

1. To find the x intercepts, set y equal to 0 and solve for x

4x - 2y = 2

4x -2(0) = 2

4x - 0 = 2

4x = 2

x = 1/2

2. To find the y intercepts, set x equal to 0 and solve for y

4x - 2y = 2

4(0) - 2y = 2

0 - 2y = 2

-2y = 2

y = -1

what is the answer to∠X≅∠X

Answers

Answer: ∠A ≅ ∠A; reflexive property

Step-by-step explanation: found it online :)

Which arrangement shows - 27 -4.1, -52and and 3 in order from least to greatest? 3 0 - 4.1. - 27 -3, -5% 0 , 0 -53 -3.-4.1, -7 27 - - 0 -53 -23.-4.1. -3 0 -4.1. - 27. -53 -3 O - hy​

Answers

Answer:

-52 < -27 < -4.1 < 3

Step-by-step explanation: A negative number is lower than a positive number. The higher a negative number is the lower it is. For example 54 is greater than -54. I hope I helped!  Sorry if I gave incorrect information, I didn't understand your question very much. I'm just a kid too.

[tex]10\times 5\times 13=?[/tex]

Answers

Answer:

[tex] = > 10 \times 5 \times 13[/tex]

[tex] = > 50 \times 13[/tex]

[tex] = > 650[/tex]

maths help me maths giving 11 point​

Answers

Answer:

smallest integer value of m=4

Step-by-step explanation:

Here's a question ~

p1 and p2 are points on either of the two lines

[tex]y - \sqrt{3} |x| = 2[/tex]

at a distance of 5 units from their point of point of intersection. Find the coordinates of the foot of perpendiculars drawn from p1 , p2 on the bisector of the Angle between the given lines.​

Answers

Answer:

(0, 5√3/2 + 2)

Step-by-step explanation:

Given is the absolute value function.

Observations:

It has a slope of ±√3 and the y- intercept of 2.There is no horizontal shift, so the the y-axis is the line of symmetry.The y-axis is also an angle bisector of the two lines.The foot P₁P₂ is parallel to the x-axis since it's perpendicular to the y- axis.

We need to find the coordinates of intersection of the line P₁P₂ with the y- axis (the point Y in the picture).

Consider the triangle AYP₂.

We know AP₂ = 5.

The angle YAP₂ is:

arctan (1/√3) = 30°

The distance AY is:

AY = AP₂ cos 30° = 5*√3/2

The distance from the x-axis to the point Y is:

5√3/2 + 2, added the y- intercept of the graphed lines

The coordinates of the point Y:

(0, 5√3/2 + 2)

Which rule describes the pattern shown?

41, 54, 67, 80, 93, 106

Choose 1 answer:

(A) Add 13.
(B) Add 15.
(C) Multiply by 6.
(D) Multiply by 8.

Answers

Answer:

add by 13 so it would be letter A

Answer:

A

Step-by-step explanation:

what does 2 - 2 equal

Answers

Answer:

2 -2 = 0

hope this helps <3

Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 95 miles per hour. The westbound train
travels at 85 miles per hour. How long will it take for the two trains to be 432 miles apart?
Do not do any rounding.

Answers

Answer: 2.4 hours

Explanation:

85x + 95x = 432

To solve you combine like terms. The like terms are 85x and 95x

85x + 95x = 180x

Now you have

180x = 432

Now divide by 180

432 divided by 180 is 2.4

X= 2.4

I think that’s how you do it

Write an algebraic expression for three times the sum of the first two multiples of four.​

Answers

I think its 3(4+8) hope this helps

3 x 100 + 5 x 10 +6⋅1 + 8 x .1 + 2 x .01



100 points AND crown to right answer

Answers

your answer is 357.1

The width of a rectangle measures (26 – 8c) centimeters, and its length measures
(106 + 6c) centimeters. Which expression represents the perimeter, in centimeters,
of the rectangle?

Answers

Answer:

first one is correct

Step-by-step explanation:

length of a rectangle = 2b - 8c

breadth of a rectangle = 10b + 6c

now , formula to calculate the perimeter of rectangle is

p = 2 (l + w)

no substitute the value of l(length) and w(width)

p = 2{(2b - 8c) + (10b + 6c)}

p = 2(2b - 8c + 10b + 6c)

p = 2(12b - 2c)

p = 24b - 4c

nadia typically types 32 words per minute, but her rate may vary by as much as 5 words per minute. let x be the actual rate at which nadia types. what is the range of rates, in words per minute , that nadia could type

Answers

The range of rate at which Nadia could type is given by the inequality equation 27 ≤ x ≤ 37  where x is the number of words per minute

What is an Inequality Equation?

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

In an inequality, the two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

Given data ,

Let the total number of words typed per minute be = x

Now , the value of x is calculated by

The number of words Nadia can type = 32 words

The rate of change of words per minute = 5 words

So , Nadia can type 5 words slower or faster

So , the value of x ranges from ( 32 - 5 )  and  ( 32 + 5 )

So , the value of x ranges from 27 words per minute to 37 words per minute

The inequality equation is given by

27 ≤ x ≤ 37 , where x is the number of words typed by Nadia per minute

Therefore , the inequality equation is 27 ≤ x ≤ 37

Hence , the range of the inequality equation is 27 ≤ x ≤ 37

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Determine if I Il m based on the information given on the diagram. If yes, state the converse that
proves the lines are parallel.

Answers

Answer:

I believe, that they are parallel because they both have 90° angles meaning that the other angle has to be 90° as well. I dont really know how to explain it but they are both in the same position and have 90° angles im not the best with these. •So im not exactly sure if this is correct though.

-They also have corresponding and congruent angles that do match up, so yes they are parallel to eachother

When adding the numbers 4+9+7+6+3 you can make one group of 10.True or False

Answers

Answer:

false

Step-by-step explanation:



Which angle is not necessarily congruent to 1?

Answers

Answer:

12

Step-by-step explanation:

the answer is just 12.

how would I solve this??

Answers

Answer:

y = 140

Step-by-step explanation:

you'd do:

y=25(7)-35

y=175-35

y=140

to double-check your math:

140 = 25(7)-35

both sides will equal 140 (or the same value) if done properly

Pieter wrote and solved an equation that models the number of hours it takes to dig a well to a level of 72 feet below sea level.

7h – 5(3h – 8) = –72
Which statement is true about Pieter’s solution?

It cannot be a fraction or decimal because the depth of the well is a whole number.
It must be a positive number since it represents a number of hours.
It must be a negative number because the depth is below sea level.
It cannot be greater than –72 because that is the depth of the well.

Answers

Answer:

The answer is B or It must be a positive number since it represents a number of hours.

Step-by-step explanation:

Brad's science class is heading to Skylight Observatory on a field trip. The observatory offers
a group rate for students that is $4 less per person than the normal cost. There are 27
students in Brad's science class. His teacher called ahead and found that the total cost for the
class will be $378. What is the normal cost per person?

Answers

Answer:

$18

Step-by-step explanation:

378 ÷ 27 = 14

14 + 4 = 18

The normal cost per person = $18

The normal cost per person is $18.

Given,

Brad's science class is heading to Skylight Observatory on a field trip.

The observatory offers a group rate for students that is $4 less per person than the normal cost.

There are 27 students in Brad's science class.

The total cost for the class is $378.

We need to find the normal cost per person.

How do we equally find the cost of each item from the total cost?

We divide the total cost by the number of items.

Example:

7 bags cost $49

1 bag cost = $49 / 7 = $7

We have,

The number of students = 27

The total cost of the class trip with the offer =  $378

Offer = $4 less than the normal cost per student

Now,

The offer cost for each person:

= $378 / 27

= $14

The normal cost for each person:

= $14 + $4

= $18

Thus the normal cost per person is $18.

Learn more about finding the normal cost for an individual here:

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How much are US dollars worth in Japan

Answers

Answer:

A US dollar is worth almost 114.34 Yen in Japan.

Step-by-step explanation:

( Yen is the currency they use in Japan )

Answer:

1 us dollar = 114.30 Japanese Yen

100 us dollars = 11430.65 Japanese Yen

Step-by-step explanation:

hope this helps

I need help asap pls I am begging!!!!!

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Answer:

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I would type the answer but it won’t fit and it will take long. So I’m gonna tell you what to use to get the answer. Get photo math the app to solve 1 and 4. It will show you the steps on how to do it and where to long the graph. You can also use desmos on a computer. Trust me those apps helped me out a lot. Hope I helped. Mark brainliest pls

HELP! QUICK! NO BOTS!

Answers

The last one I believe 5^2*5^4

PLEASE HELP , WILL GIVE A BRAINLY. What is the domain of the function?

Answers

Answer: I believe it is a. Sorry if I am incorrect

Step-by-step explanation:

Functions assign outputs to inputs. The domain of a function is the set of all possible inputs for the function. For example, the domain of f(x)=x² is all real numbers, and the domain of g(x)=1/x is all real numbers except for x=0.



Solve the system of equations using the substitution method.
x+y=6
x = 2y


Answers

y=2

if you substitute 2y in for x, you get 2y+1y=6. that is also 3y=6. 6 divided by 3 is 2 so y=2.

Answer:

x=4, y=2

Step-by-step explanation:

if x=2y just put 2y into the spot where x is for x+y=6

x+y=6

(2y) + y = 6

3y = 6

y = 2

now that I know y I can then replace y with the number 2

x= 2y

x = 2(2)

x= 4

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