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2 years ago

2. Kira's skateboard is 71 centimeters long. What is the length of her skateboard in millimeters? Show your work. Answer:

Mathematics

2 answers:

Juliette [100K]2 years ago

8 0

Answer:

710

Step-by-step explanation:

1 centimeter = 0.1 mi millimeter so 71 centimeters= 710 millimeters

i'm in k12 and i just took the test too

hope this helps have a good day ^ω^

Marrrta [24]2 years ago

7 0

Answer is 710

Divide length value by 10

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Solve for x x+29=-11

netineya [11]

Answer:

x= -40

Step-by-step explanation:

x+29=-11

Subtract 29 from each side

x+29-29 = -11-29

x =-40

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3 years ago

Read 2 more answers

four families go to the cinema. the reid family take 2 adults and 2 children for £18 ; the mghee family take 1 senior, 2 adults

RoseWind [281]

Answer:

$\pounds 26.50$

Step-by-step explanation:

Let

x = cost for one adult

y = cost for one child

z = cost for one senior.

The Reid family:

take 2 adults and 2 children and paid $2x+2y$ that is $\pounds 18$ , so

$2x+2y=18$

The Mghee family:

take 1 senior, 2 adults and 1 child and paid $x+2x+y$ that is $\pounds 18.50$ , so

$x+2x+y=18.50$

The Griffiths family:

take 1 senior and 3 adults and paid $z+3x$ that is $\pounds 19.50$ , so

$z+3x=19.50$

You get the system of three equations:

$\left\{\begin{array}{l}2x+2y=18\\ \\z+2x+y=18.50\\ \\z+3x=19.50\end{array}\right.$

From the first equation:

$2y=18-2x\\ \\y=9-x$

From the third equation:

$z=19.50-3x$

Substitute them into the second equation:

$19.50-3x+2x+9-x=18.50\\ \\-3x+2x-x=18.50-19.50-9\\ \\-2x=-10\\ \\2x=10\\ \\x=5$

Then

$y=9-5=4\\ \\z=19.50-3\cdot 5=19.50-15=4.50$

Hence,

the cost for one adult is $\pounds 5$

the cost for one child is $\pounds 4$

the cost for one senior is $\pounds 4.50$

The Linton family takes 1 senior, 2 adults and 3 children and paid

$\pounds 4.50+2\cdot \pounds 5+3\cdot \pounds 4=\pounds 26.50$

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3 years ago

Which of the following numbers is located to the right of / on the number line?

Brut [27]

Answer:

the right answer is d

I hope it is helpful for you

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2 years ago

The area of a parallelogram is 31. 5 ft2 and the height is 6. 3 ft. What is the length of the base? 36 ft 24 ft 10 ft 5 ft.

Brilliant_brown [7]

If the area of a parallelogram is given as with a height of , we can refer back to the equation for the area of a parallelogram: \displaystyle A= b \cdot h, where is height and is the length of the base.

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1 year ago

Three consecutive integers have a sum of 30. Which equation can be used to find x, the value of the smallest of the three number

mars1129 [50]

Answer:

The smallest value of the three numbers would be 9.

Step-by-step explanation:

In order to find this, set the smallest number as x. Then you can set each of the next integers as x + 1 and x + 2. Now we can total all three numbers and set equal to 30 to solve for x.

x + x + 1 + x + 2 = 30

3x + 3 = 30

3x = 27

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3 years ago

2. Kira's skateboard is 71 centimeters long. What is the length of her skateboard in millimeters? Show your work. Answer:​

2. Kira's skateboard is 71 centimeters long. What is the length of her skateboard in millimeters? Show your work. Answer: