-7(5x-70=-19-x i neeeeeeeeeeeeeeeeeeeeeeddddddd helppp

Answer:

No, the difference is -2.

Step-by-step explanation:

As the sequence progresses, the numbers get smaller(1, -1, -3, ...), and they get smaller by 2. Hence, the change in every number in the sequence as it progresses is -2.

the fraction form of the number will be 5 / 18.

We are given the decimal number as:

0.83(bar on 3) = F ...(1)

Now, we need to convert this into fraction.

For this, we will first multiply both the sides by 10

Do, we get that:

8.33 ( bar on 3) = 10 F ...(2)

Now, we will Subract (1) from (2), we get that:

9 F = 8.33 (bar on 3) - 0.83 (bar on 3)

9 F = 7.5

F = 7.5 / 9

F = 2.5 / 9

F = 25 / 90

Reducing the fraction into simplest form:

F = 5 / 18.

Therefore, we get that the fraction form of the number will be 5 / 18.

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The evaluation of the given angles are as follows;

Complementary angles sum up to 90°

Supplementary angles sum up to 180°

1. Let A and B represent the two angles, we have;

A + B = 180°

A - B = 35°

Which gives;

A + B + (A - B) = 180° + 35° =215°

A + B + (A - B) = A + A = 2•A

Which gives;

2•A = 125°

A = 215°/2 = 107.5°

A + B = 180°

B = 180° - A

Therefore;

B = 180° - 107.5° = 72.5°

The two angles are; A = 107.5° and B = 72.5°

2. ‹E + ‹F = 90° Definition of complementary angles.

‹E = ‹F + 54°

Which gives;

2•‹F + 54° = 90°

Therefore;

‹F = 18°

‹E = 72°

3. Let A represent the angle, we have;

A + A - 76° = 180°

A = 256°/2 = 128°

The measure of the angle is 128°

The measure of its supplement is 52°

4. ‹Q + ‹Q + 26 = 90

‹Q = (90-26)/2 = 32

‹Q = 32°

‹R = 32° + 26°= 58°

5. Let A represent the angle, we have;

A + 3•A = 180°

4•A = 180°

A = 180°/4

A = 45°

The measure of the supplement = 3 × 45° = 135°

6. Angle left = 90° - 35° = 55°

Speed= 35°/(21 s) = 5/3°/s

Time remaining for the bridge= 55°/(5/3°/s) = 33 s

7. 3•r + 5 + 5•r - 27 = 90

8•r - 22 = 90

r = 112/8 = 14

‹ABD = 3•r + 5 = 47°

‹DBC = 5•r - 27 = 43°

8. 4•a + 58 = 2•b - 18 = 90

a = 8

b = 54

9. a + 15 + a + 35 = 90

a = 40/2 = 20

10. 3•a + 10 + 13•a = 90

16•a = 80

a = 80/16 = 5

m‹ADB = 3•a + 10 = 25°

m‹BDC = 13•a = 65°

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Answer:

Step-by-step explanation:

1) group any number with an X together and rewrite answer (if there is a negative in front of a number always carry it with it when rearranging.)

10x-10x-6-2

2) lets solve the numbers with Xs together

10x+10x= 20x

3) now lets solve whole numbers

-6-2=-8

4) bring down the 20x and the -8/ rewrite problem with your solved numbers

20x-8

5) we have to have X alone so in order to get rid of the 20 in front of the X you must divide 20 by 20x,

20x/20 ( it cancel's out and now you're left with X)

X=-8

6) but whatever you do to one side of the equal sign you have to do to the other side so now you must divide -8/20 which will leave you with

Answer: X=-0.4 or -2/5

Answer:

A

Step-by-step explanation:

Each hash mark between "School" and "Declan's house" is one-eighth of a mile.  Starting at "School" count 5 hash marks to the left to get where Harper lives.

Answer:

180.

Step-by-step explanation:

9/5 = 1.8 and 10^5/10^3 = 10^2
so tis 1.8 x 10^2 which is 180

pls give branliest

Answer: 180

Step-by-step explanation:

(9 x 10^5) / (5 x 10^3)=

(9 x 10^(2+3)) / (5 x 10^3)=

(9 x 10^2 x 10^3) / (5 x 10^3)=

(9 x 10^2)/5=        ==> Divide each side by 10^3

900/5=180

The original equation will be x + x + 1 = 67 and the left page will have 33 page number and the right one will have 34 page number.

Let x be the first consecutive integer.

So,  x + 1  is the first consecutive integer.

Sum of the two integers = 67

⇒ x + x + 1 = 67    (This is the original equation)

Combining the like terms:

⇒ 2x + 1 = 67

Subtract 1 from both the sides:

⇒ 2x = 67 - 1

⇒ 2x = 66

Divide both sides by 2:

⇒ x = 66/2 = 33

Therefore, the original equation will be x + x + 1 = 67 and the left page will have 33 page number and the right one will have 34 page number.

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Answer: 8x^10

Step-by-step explanation:i guessed but when you multiply exponents you just add them so the exponent is 10 and then 2 cubed is 8

Use the polynomial remainder theorem. The remainder upon dividing a polynomial [tex]p(x)[/tex] by a linear factor [tex]x-c[/tex] is exactly [tex]p(c)[/tex].

In this case,

[tex]p(x) = 2x^{10} - 3ix^8 + (1+i)x^2 - (3+2i)x + 1[/tex]

and [tex]c=i[/tex]. Then the remainder is

[tex]p(i) = 2i^{10} - 3i^9 + (1+i)i^2 - (3+2i)i + 1[/tex]

Since [tex]i^2=-1[/tex] and [tex]i^4=1[/tex],

[tex]p(i) = -2 - 3i - 1 - i - 3i + 2 + 1 = \boxed{-7i}[/tex]

The equations that are equivalent to the given equation are m - 4 = -7m - 8, -7m - 8 = m - 4 and -8 - 7m = m - 4

The equation is given as

-2m - 5m - 8 = 3 + (-7) + m

Remove the bracket

So, we have

-2m - 5m - 8 = 3 - 7 + m

Evaluate the like terms

So, we have

-7m - 8 = - 4 + m

The above expression can be written as follows

m - 4 = -7m - 8

-7m - 8 = m - 4

-8 - 7m = m - 4

Hence, the equations that are equivalent to the given equation are m - 4 = -7m - 8, -7m - 8 = m - 4 and -8 - 7m = m - 4

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The statistical measures for the 10-day vacation are given as follows:

a) Mean: $2470.

b) Standard deviation: $189.74.

c) Variance: $²36,001.

To find the mean for n days, we take the mean amount in a single day and multiply by n.

Hence:

247 x 10 = $2470.

To find the standard deviation for n days, we take the standard deviation for a single day and multiply by the square root n.

Hence:

60 x sqrt(10) = $189.74.

The variance is the square of the standard deviation, hence:

($189.74) = $²36,001.

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Answer:

$132.74

Step-by-step explanation:

First: divide the sales price by 100

6.75 ÷ 100 = 0.0675

Second: multiply the answer from the first step by the original price

0.0675 x 124.35 = 8.393625

round to the hundredths place

8.393625

8.39

Third: add the original price with the answer from the second step

124.35 + 8.39 = 132.74

Answer:

x=5$

$y=-4

Step-by-step explanation:

the solution is easy no more you have to put the first numbers and put it in order

Randy's percentage change from Week 1 to Week 2 was 2.37% greater than Week 2 to Week 3.

The percentage change will be calculated by the relation -

Percentage change = change in timing ÷ original time × 100

Calculating percentage change between Week 1 and Week 2

Change = 28.8 - 27.6

Change = 1.2 seconds

Percentage = (1.2 ÷ 28.8) × 100

Percentage = 4.17%

Calculating percentage change between Week 2 and Week 3

Change = 27.6 - 27.1

Change = 0.5 seconds

Percentage = (0.5 ÷ 27.6) × 100

Percentage = 1.8%

So, percent of change from Week 1 to Week 2 than from Week 2 to Week 3 was = 4.17 - 1.8

Percentage change = 2.37%

Therefore, the percentage change from Week 1 to Week 2 was 2.37% greater than Week 2 to Week 3.

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Answer:

D

Step-by-step explanation:

Irrational numbers are those which cannot be expressed by the ratio of two integers.

A is rational because it is a recurring decimal. Recurring decimals can be represented by the ratio of two integers (this one can be represented by the fraction -2752/333, which is a ratio of two integers).

B is a fraction with two integers, therefore it is rational. -5/9 is a ratio of two integers.

C can be represented by 1747/100.

D is an infinite decimal but isn't recurring like A, meaning it cannot be represented by the ratio of two integers, and is therefore it is irrational, unless you are shown further digits of the decimal which prove it to be recurring, which is not the case here.

Answer:

6

scale factor b to A = 4

Step-by-step explanation:

scale factor

We multiply the scale factor times the original figure length to get the new figure length

x * scale factor = 1.5

The scale factor is 1/4

x * 1/4 = 1.5

Multiply each side by 4 to get rid of the fraction

x * 1/4 *4 = 1.5 * 4

x = 6

The scale factor from figure B to figure A

1.5 * scale factor = 6

scale factor = 6/ 1.5

scale factor = 4

The amount of bricks that Jack would need to complete the wall is 180.

The first step is to determine the total amount of bricks he would need to build the wall. In order to determine this value, ratio analysis would be used.

Total bricks needed = (area of wall x number of blocks already used) / (area of wall already built)

Area of wall = 8 x 1.5 = 12

Area of wall already built = 5 x 1.5 = 7.5

Total bricks needed = (12 x 300) / 7.5 = 400 bricks

Number of bricks needed to complete the wall = 400 - 300 = 180 bricks

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If the difference of a number and eight is tripled and the result is six more than the number, the number is 15

The difference of a number and eight is tripled, then the result is six more than the number.

Therefore, the number will be represented by a variable

let the number  = x

Hence,

3(x - 8) = x + 6

Therefore, let's open the bracket

3(x - 8) = x + 6

3x - 24 = x + 6

subtract x from both sides of the equation

3x - 24 = x + 6

3x - x - 24 = x - x + 6

2x  - 24 = 6

add 24 to both sides of the equation

2x  - 24 + 24 = 6 + 24

2x = 30

divide both sides by 2

x = 30 / 2

x = 15

Therefore, If the difference of a number and eight is tripled and the result is six more than the number, the number is 15

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Answer:

40 students

Step-by-step explanation:

I think it is 40 students because 60 + 40= 100  then 100 x 40 = 4,000

then the SCHOOL has to pay a $30 cleaning fee so that will add up to $4,030! I hope this helps everybody!

40 students will be going on the trip

Each student will pay $60 for food and lodging

Each student will also pay $40 for the bus

Total amount of fee that will be paid by each student is

= 60 +40

= 100

The school will pay $30 cleaning fee for the bus, it's only the school that will be paying this fee, the students are not included. This will will be subtracted from the total cost which is $4,030 leaving us with $4,000

Therefore the number of students going on the trip can be calculated as follows

= 4,000/100

= 40

Hence 40 students will be going on the trip

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Answer:

  x = -1

Step-by-step explanation:

You want to find the value(s) of x that satisfy the equation |x-2| = |4+x|.

The behavior of each absolute value function changes at the point where its argument is zero. For this equation, that will be two points:

  x -2 = 0   ⇒   x = 2

  x +4 = 0   ⇒   x = -4

These two points on the number line divide the domain of the equation into three parts:

The behavior of the equation will be different in those three domains.

In this domain, both absolute value functions negate their arguments. That means the equation is equivalent to ...

  -(x -2) = -(4 +x)

  2 = -4 . . . . . . . . . . add x to both sides

This has no solutions: there are no values of x that will make this true.

In this domain, the absolute value function on the left negates its argument, so the equation is equivalent to ...

  -(x -2) = (4 +x)

  -2 = 2x . . . . . . . . . add x-4 to both sides

  -1 = x . . . . . . . . . divide by 2

This value of x is in the domain, so represents a solution to the equation.

  x = -1

In this domain, neither absolute value function negates its argument, so the equation is equivalent to ...

  x -2 = 4 +x

  -2 = 4 . . . . . . . subtract x

This has no solutions: there are no values of x that will make this true.

The given equation has one solution: x = -1.

__

Additional comment

When solving an equation like this graphically, it is often useful to put it in the form f(x) = 0. We can obtain that form by defining ...

  f(x) = |x -2| -|4 +x|

The graph of this is attached. The only solution is where f(x) = 0, at x = -1.

Note that the function is parallel to the x-axis outside of the middle domain, so will not have any x-intercepts in those regions.

Earth's diameter is 0.0092 times less than the sun's diameter.

The Diameter of Earth = 1.3 * 10⁴ km

The Diameter of Moon = 3.5 * 10³ km

Let the diameter of sun be x km

According to the question

The diameter of the sun is 400 times that of the moon.

x = 400 * 3.5 * 10³ km

= 14 * 10⁵ km

The Diameter of earth / diameter of sun

=  1.3 * 10⁴ / 14 * 10⁵

= 0.0092

Hence, The diameter of the Earth is 0.0092 times that of the Sun.

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Answer: R'=(-4, -3)

S'=(-4, -10)

T'=(-8, -10)

U'=(-8, -3)

Step-by-step explanation:

When rotated around the origin by 180 degrees, the rectangle will have all its coordinates' x and y values negated.

R=(4,3) ==> R'=(-4, -3)

S=(4,10) ==> S'=(-4, -10)

T=(8,10) ==> T'=(-8, -10)

U=(8,3) ==> U'=(-8, -3)

He wouldn’t be able to meet the specifications as the heigh is greater than the maximum height.

Maximum width of the wall hanging can be 3.75 feet and maximum height can be 6.5 feet.

After completing the work it was found that the width measures 3 3/5 feet and height was 3 3/4 tall.

If the height and width after completing the work is less than or equal to the maximum height and width then he will be able to meet the specifications .

Width

3 3/4

= (12+3)/4

= 15/4

= 3.75

Height

6 3/4

= (24+3)/4

= 27/4

= 6.75

He wouldn’t be able to meet the specifications as the heigh is greater than the maximum height .

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The solution to the equation where the equation is given as -2(5z + 8) = 14 + 6z is z = -15/8

The equation is given as

-2(5z + 8) = 14 + 6z

Open the bracket

So, we have

-10z - 16 = 14 + 6z

Collect the like terms

So, we have

-10z - 6z = 14 + 16

Evaluate the like terms

So, we have

-16z = 30

Divide both sides of the equation by 16

So, we have

z = -15/8

Hence, the solution to the equation where the equation is given as -2(5z + 8) = 14 + 6z is z = -15/8

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Answer: oh ofc! here is the answer it is 0.84210526315

but im not 100% sure it is the right answer

Step-by-step explanation: i really hope this helps have a good day/night (: <3

Answer:

since x=-14

9(-14)-7

-126-7=-133.

Answer:

32° degree Fahrenheit is converted to celcius

Answer:

use 273k that is if is changing from celcius to Kelvin