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Use properties of exponents to simplify the expression.

4(10n² - 2) - 5(8n² + 7) =

= 40n² - 8 - 40n² - 35 =

= 40n² - 40n² - 8 - 35 = -43 ← the end

Answer:

1

Step-by-step explanation:

-11-(-12) is just -11 plus 12 so 1 is your final answer because 2 negatives make a positive when multiplying.

Answer:

1

Step-by-step explanation:

Answer:

-2

Step-by-step explanation:

Since we are adding 3 to the x-coordinate and subtracting 1 from the y-coordinate, (-5, 2) becomes (-2, 1).

Answer:

(-5 2) = (x + 3, y - 1) (since point p is translated using the rule (x + 3, y - 1))

Comparing each axis,

-5 = x + 3

2 = y - 1

so for x axis:

x = -5 - 3

x = -8

Also, for y axis:

y = 2 + 1

y = 3.

The distance the car will travel in 20 revolutions of the wheel is 1507.96 inches.

Given that :

Radius of wheel , r = 12 inches

Number of revolutions = 20

The Circumference of the wheel = 2πr

Circumference of the wheel = 2 × π × 12 = 24π

The distance the car will travel after 12 revolutions of the wheel will be :

Number of revolutions × Circumference of wheel

20 × 24π = 480π = 1507.96 inches

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Two step equations are equations which take 2 steps to solve. Let's create our equation now.

2p + 2 = 3

If you'd like, you can solve it to ensure it's correct.

2p + 2 = 3

Subtract 2 from both sides.

2p = 1

Divide both sides by 2

p = 0.5

Answer:

d

Step-by-step explanation:

The main objective of timelines is to demonstrate a sequence of actions within a particular time interval. Although timelines cover a great period of time, it is not very detailed. Nevertheless, it is possible to add images, data, or figures.

Answer:

a = -0.2cx^-1 + 1.7x^-1

Step-by-step explanation:

Solving for variable a.

Add "-c" to each side of the equation.

5ax + c + -c = 8.5 + -c

5ax = 8.5 - c

Divide each side by 5x.

a = 1.7X^-1 - 0.2cx^-1

Final answer:

a = -0.2cx^-1 + 1.7x^-1

Answer:

C. C is the only one that is rational out of all of them. The rest are irrational

Answer:

24.50 * .05 = $1.23

Step-by-step explanation:

Answer:its a cube

Step-by-step explanation: multiply by 3

Answer:

ur mom lol fail lowkey embarrassing u can't do middleschool math

Answer:

-9yъ

Step-by-step explanation:

Since they have the same variables (yъ) then you can add or subtract,

=-8yъ -yъ

= -9yъ

Answer:

D

Step-by-step explanation:

Answer:

mean see weididjdbd ksksns e

Answer:

Let's take an example.

If you put the value of x as 1, it gives one.

Even if you put 3.997654, it will give 3.997654.

But for any negative real number, it gives the same number but not with it's negative sign. Like if x =-3/7,

It will give 3/7.

The notation used here means it is the modulus function.......

Answer:

he buys 2 pizzas

Step-by-step explanation:

hope it helps you

please mark me brainliest

Step-by-step explanation:

[tex]\text{By long division, we know that}[/tex]

[tex]\frac37=0.425871425871425871\ldots[/tex]

[tex]\text{Observing the pattern, we know the repeating block is }\overline{425871}\text{. Therefore, there are 6 digits in the repeating block}[/tex]

Answer:

1.83

Step-by-step explanation:

63 tenths=6.3

8.13-6.3=1.83

Answer:

son las 6:45 am

ahora son las 6:45 am

actualmente son las 6:45 am

si son las 6:45 am

I tried!!

An angle that is adjacent and congruent to m ∠FTK is, m ∠HTK. So option 1 is true.

Used the concept of angle that states,

An angle is a combination of two rays with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes as the legs and sometimes the arms of the angle.

Given that;

T lies on both FH and GJ.

Now by the given figure;

m ∠FTK = 90 degrees

Hence, an angle that is adjacent and congruent to m ∠FTK is,

m ∠HTK = 90 degrees

Therefore, option 1 is true.

To learn more about the angle visit:;

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Answer:

12

Step-by-step explanation:

Your problem can be described in the following equation

$139 + $15x = $319

139 dollars + 15 dollars (times x (the number of weeks)) = 319

319 - 139 = 180

180 / 15 = 12

x = 12

Chow,...!

Answer:

Each year has an increase of 10 %

Step-by-step explanation:

To calculate percentage, formula =

Increase in price/original price*100

Please mark as brainliest

Answer:

top bar on 3. 120 dollars for strawberry milk per month

bottom bar on 3. 100 dollars chocolate milk per month

#4. bars help an individual know information visually and may help an individual understand better.

9514 1404 393

Answer:

  $21

Step-by-step explanation:

The cost is found by multiplying the number of cubic meters by the cost for each of them.

  (1.4 m³) × ($15/m³) = $21

The total cost is $21.

Answer:

10

Step-by-step explanation:

(x + 2) + (-2 + x) = 20

2x + 0 = 20

2x = 20

x = 20/2

x = 10

Answer:x = 10

Step-by-step explanation:

Answer:

0 because 1-1=0 and that is the answer

[tex]\text{y}=6 \ \text{and} \ \text{z}=2\\\\\dfrac{3\text{y}-\text{z}}{\text{y}+5\text{z}}=\dfrac{3\cdot6-2}{6+5\cdot2}=\dfrac{18-2}{6+10}=\dfrac{16}{16}=\huge\boxed1[/tex]

Answer:

its either b or d im not sure sorry

Step-by-step explanation:

Answer:

Answer: x is 2

Step-by-step explanation:

[tex]0.3(12x - 16) = 0.4(12 - 3x)[/tex]

open the brackets [ distributive property ]

[tex]3.6x - 4.8 = 4.8 - 1.2x[/tex]

collect like terms together:

[tex]3.6x + 1.2x = 4.8 + 4.8[/tex]

factorise out x :

[tex]x(3.6 + 1.2) = 4.8 + 4.8 \\ 4.8x = 9.6[/tex]

divide by 4.8 on all sides:

[tex] \frac{4.8x}{4.8} = \frac{9.6}{4.8} \\ \\ x = 2[/tex]

Answer:

the answer would be x = 3

Step-by-step explanation:

since the 2 sides (5 and 2) have to be grater than x 3 would be the only possible answer because 29 is too large and 29 squared is 5.385164807134504