3 years ago

How can you tell how many tens are in a number

Mathematics

1 answer:

Delvig [45]3 years ago

8 0

Based off of the first digit in a two-number value like 50 means there's 5 tens.

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For all x, (5x4 + 3x3 – x2 + 6) - (3x4 – x3 + 2x - 1) = ?

KIM [24]

If you simplify it is x^3-x^2-2x+ 24

8 0

3 years ago

500 books were sold the first day it went on sale. 150 books were sold each day after that. Write an eq,uation to represent the

zepelin [54]

Answer:

Step-by-step explanation:

500+7500=8000

150x50=7500

8000 books were sold over the course of 50 days

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3 years ago

I will give brainiest but plzz help fast

Lena [83]

Answer:

Hi there!

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4 years ago

Find all the powers of 4 in the range 4 through 1000

marissa [1.9K]

Powers of 4 are like 4^1, 4^2, 4^3 and so on
remember that 4^x means 4 times itself x times for example
4^3=4 times iteslef 3 times=4 times 4 times 4

so the multipules of the powers of 4 are just 4 times of the previous
so we will list

4^1=4
4^2=16
4^3=64
4^4=256
4^5=1024

1024 is already more than 1000 so the list stops and is
1,16,64,256

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3 years ago

Select the correct answer. Lacy is making a new sail for her boat. The sail needs to have the given dimensions. Approximately ho

Julli [10]

70.1 ft² of fabric is needed by Lacy to make the sail boat.

<h3>Trigonometric ratio</h3>

Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.

Let b represent the base of the triangle and h the height, hence:

sin(60) = h / 18

h = 15.6 feet

sin(30) = b / 18

b = 9 feet

The area of triangle = (1/2) * b * h = 0.5 * 9 * 15.6 = 70.1 ft²

70.1 ft² of fabric is needed by Lacy to make the sail boat.

Find out more on Trigonometric ratio at: brainly.com/question/6459892

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2 years ago