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3 years ago

Scientists determined that Antarcticas average winter temperatures was..

Mathematics

1 answer:

alexira [117]3 years ago

7 0

Answer:-34.44 degrees Celsius

Step-by-step explanation:Scientists determined that Antarctica's average winter temperature was -34.44 degrees Celsius. The difference between this temperature and Antarctica's highest recorded temperature was 49.44 degrees.

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the width of a rectangle is x centimetres and its length is (x+ 2) cm. Write down an expression for the perimeter of the rectang

yKpoI14uk [10]

Given:

The width of a rectangle is x centimeters and its length is (x+ 2) cm.

To find:

The expression for the perimeter of the rectangle.

Solution:

We know that, perimeter of a rectangle is

$Perimeter=2(Length+Width)$

We have,

Width = x cm

Length = (x+2) cm

Putting these values in the above formula, we get

$Perimeter=2((x+2)+x)$

$Perimeter=2(2x+2)$

$Perimeter=2(2x)+2(2)$

$Perimeter=4x+4$

Therefore, the required expression for the perimeter of the rectangle is (4x+4) cm.

6 0

2 years ago

What is the measure of

sesenic [268]

Answer: C. 84

Step-by-step explanation:

In triangles ABD y BCD:

- AD=CD

- Angle BAD = angle BCD

- BD common side

THEN the triangles are equal because they have two sides and the angle opposite the longest side respectively equal.

CBD = ABD = 42 because the triangles ABD y BCD are equal

ABC = CBD+ABD = 42+42= 84

3 0

2 years ago

Read 2 more answers

12 pens cost £3.00. How many pens can be bought for £8?

igor_vitrenko [27]

Answer:

You can buy 32 pens for £8.

Step-by-step explanation:

12÷3 = 4 ---> which means you get 4 pens for £1.

since you get 4 pens for £1, you need to multiply 4x8 to find how many pens you can buy for £8.

4x8 = 32.

You can buy 32 pens for £8.

hope this helps !

have an amazing day : )

6 0

3 years ago

PLEASE HELP!

levacccp [35]

Answer: C

Step-by-step explanation: In bracket we subtract 8,5% which is 0.085 from whole amount which is 1. Then the obtained result, we raised to the power of x - wich respresent numbers of years

5 0

2 years ago

what is the answer to the volleyball team at blue point high school has saved $680 and the team plans to spend no more then that

zloy xaker [14]

Answer:

6 x + 23 y < $ 680 represents the combinations of x balls and y nets that can be purchased.

Step-by-step explanation:

The number of balls than can be purchased = x

The number of nets than can be purchased = y

Total savings = $ 680

Now, the cost of 1 ball =$6

So, the cost of x balls = x ( cost of 1 ball) = x ( $6) = 6 x

Also, the cost of 1 net =$23

So, the cost of y nets = y ( cost of 1 net = y ( $23) = 23 y

So, the total amount spent on x balls and y nets

= Amount spent on x balls + Amount on y nets

= 6 x + 23 y

Also, the saved amount is $680

⇒ 6 x + 23 y < $ 680

Hence, 6 x + 23 y < $ 680 represents the combinations of x balls and y nets that can be purchased.

4 0

3 years ago