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FinnZ [79.3K]
3 years ago
6

ARGENT!!!!! I need help pls

Mathematics
1 answer:
Alex73 [517]3 years ago
7 0

Answer:

1. -15

2. 35

3. -60

4. 5

Step-by-step explanation:

n = 16:

-5/6(2+16)

-5/6(18)

-15

n= -44:

-5/6(2-44)

-5/6(-42)

35

n = 70:

-5/6(2+70)

-5/6(72)

-60

n = -8:

-5/6(2-8)

-5/6(-6)

5

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What is the volume of a square pyramid if the perimeter of the base is 44 in and the height is 19 in.? Round to the nearest tent
Verdich [7]

Answer:

766.3 square inches

Step-by-step explanation:

The volume of pyramid is given by  

volume = 1/3(area of base) * height of pyramid

Given shape of base is square and

Perimeter of that square is 44inches

We know that perimeter for square is given by 4* length of side

Thus,

44 inches = 4* length of side

 Length of side = 44/4 = 11 inches  

_____________________________________________

Area of square is given by side*side.

Thus, area of square base of pyramid is = 11*11 inches square = 121 inches square

Now that we have area of base and height of pyramid .

Substituting these value in formula for volume of pyramid we have

volume = 1/3(area of base) * height of pyramid

 volume = 1/3*(121) * 19 = 2,299

 volume = 766.33

Volume of square pyramid rounded to nearest tenth is 766.3 square inches

4 0
3 years ago
Estimate the sum of 279 and 217
Maurinko [17]
280+220=500 hope this helps
7 0
4 years ago
kali runs 10 laps around a track each day. Each lap around the track is 400 meters. How many will it take kali to run a total of
Flauer [41]

Answer:

3 days

Step-by-step explanation:

Kali runs 10 laps around a track each day, and each lap is 400 meters. So, the first step would be:

10 • 400 = 4,000

That means Kali runs 4,000 meters each day.

Now, there are 1,000 meters in 1 kilometer. This means he runs 4 kilometers each day, and we're trying to get to 12 kilometers.

The final step is to divide. 12/4 = 3

So, it would take 3 days for him to run a total of 12 kilometers.

6 0
2 years ago
Write 17,390,000 in expanded form
scoray [572]

Answer:

The expanded form is:

17,390,000 = 10,000,000 + 7,000,000 + 300,000 + 90,000

Step-by-step explanation:

<em>Expanded form is a way of writing numbers with the mathematics value of digits.</em>

Ex: 7,327 in expanded form is 7,000 + 300 + 20 + 7 = 7,327

<em>So you can write any number in expanded form by adding the values of its digits places</em>

<em>Let us solve the question</em>

The number is 17,390,000

∵ The first digit 1 is in ten-millions place

∴ Its value = 10,000,000

∵ The second digit 7 is in the millions place

∴ Its value = 7,000,000

∵ The third digit 3 is in the hundred-thousands place

∴ Its value = 300,000

∵ The fourth digit 9 is in the ten-thousands

∴ Its value = 90,000

Add all of them

∴ 17,390,000 = 10,000,000 + 7,000,000 + 300,000 + 90,000

The expanded form is

17,390,000 = 10,000,000 + 7,000,000 + 300,000 + 90,000

7 0
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Quarter past 7 , what time is it ?
Phoenix [80]
A quarter of an hour is 15 minutes, so a quarter past 7 is 7+15 mins. This gives you:

7:15

Hope this helps and good luck!
3 0
3 years ago
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