4 years ago

Decimal Numbers on Number Lines

Mathematics

1 answer:

Vedmedyk [2.9K]4 years ago

8 0

Answer:

What's Yo Question What Chu Need Help With ?

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What is the factorization of 121b^4 − 49?

lora16 [44]

Answer:

(11b^2 + 7) (11b^2 - 7)

Explanation:

Since both terms are perfect squares, factor using the difference of squares formula, a^2 - b^2 = (a + b) (a - b) where a = 121b^4 and b = 49

3 0

4 years ago

Please help me solve the problem

Elina [12.6K]

Answer:

x = $\sqrt{2}$ ; y = 2

Step-by-step explanation:

You have a 45 -45 - 90 triangle. There are two things to know"

1. The hypothenuse = leg × $\sqrt{2}$

2. The legs are equal.

The hypothenuse is opposite the right angle that is "y" in this problem.

Hypothenuse = leg × $\sqrt{2}$

= $\sqrt{2} \sqrt{2} = \sqrt{4} = 2$

The legs are =

Therefore x = $\sqrt{2}$

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3 years ago

A bike shop has 11 red bikes, 3 blue bikes, 4 orange bikes, and 12 silver bikes. For every 1 orange bike, there are 3 what? Choo

Marina86 [1]

For every orange bikes, there are 3 silver bikes.

7 0

4 years ago

Read 2 more answers

Suppose you are taking a multiple choice exam with 61 questions, each with 4 possible answers. If you were to guess at random fo

Brut [27]

Answer:

15.25

Step-by-step explanation:

The probability of getting a question right is 1/4 because there are 4 possible answers, and you're just guessing randomly.

You can expect to get 1/4 of the questions right.

$\frac{1}{4}\times 61 =15.25$

7 0

3 years ago

Write the interval (5,100] as an inequality and using set notation

drek231 [11]

Answer: { x | 5 < x ≤ 100 } OR { x ∈ ℝ | 5 < x ≤ 100 }

Step-by-step explanation:

{ x | 5 < x ≤ 100 }

This means:

"The set of all x's, such that x is greater than 5 and less than or equal to 100"

Another acceptable way to write this is

{ x ∈ ℝ | 5 < x ≤ 100 }

"x ∈ ℝ" simply means x is an element of all real numbers

7 0

3 years ago