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larisa86 [58]
2 years ago
10

The expression 0.8w + 3.6 factored is

Mathematics
2 answers:
shtirl [24]2 years ago
4 0

4 could be considered a common factor

0.8w + 3.6 =

4(0.2w + 0.9)  

or you could call 0.4 the common factor

=0.4(2w+9)

= (2/5)(2w+9), if you want to eliminate decimals.   0.4=4/10=2/5

OlgaM077 [116]2 years ago
3 0
=2/5x2w+45 please give me 5 stars ⭐️
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Find the solutions to the equation below. check all that apply
BartSMP [9]

Answer:

A and E

Step-by-step explanation:

Given

20x² - 26x + 8 = 0 ( divide through by 2 )

10x² - 13x + 4 = 0

Consider the factors of the product of the coefficient of the x² term and the constant term which sum to give the coefficient of the x- term.

product = 10 × 4 = 40 and sum = - 13

The factors are - 5 and - 8

Use these factors to split the x- term

10x² - 5x - 8x + 4 = 0 ( factor the first/second and third/fourth terms )

5x(2x - 1) - 4(2x - 1) = 0 ← factor out (2x - 1) from each term

(2x - 1)(5x - 4) = 0

Equate each factor to zero and solve for x

2x - 1 = 0 ⇒ 2x = 1 ⇒ x = \frac{1}{2} → E

5x - 4 = 0 ⇒ 5x = 4 ⇒ x = \frac{4}{5} → A

6 0
2 years ago
Library 3.5x250 <br><img src="https://tex.z-dn.net/?f=3.5%20%5Ctimes%20500%20%3D%20" id="TexFormula1" title="3.5 \times 500 = "
Elodia [21]
Answer : 3.5x250=875
7 0
3 years ago
Normal form [see attachment]
musickatia [10]

I just did one of these. I guessed that normal form is


x \cos \phi + y \sin \phi -  p = 0


Here' that's


x (\sqrt{3}/2) + y (1/2) - 10 = 0


\sqrt{3} x + y - 20 = 0


Choice b




4 0
2 years ago
There are 8 books in a shelf that consist of 2 paperback books and 6 hardback books. If 4 books are selected at random without r
mixer [17]

Answer:D

Step-by-step explanation:

This is combination.

If 4 books selected out of eight book in the shelf:

(4 combination 8)= 70

For hardback selection:

Then selection of 4 books out of the hardback, it means there is no paperbach will be:

(4 combination 6)= 15

So , if at least one paperback selected will be : 70-15

That is 55

4 0
3 years ago
Find the value of x <br><br> A. 5 square root 2/2<br> B 5<br> C 10<br> D 10 square root 2
grandymaker [24]

Answer:

The answer is C

Step-by-step explanation:

That side with the 5 is equal to 7.071067812.... (irrational number)

To get x you need to use the equation a^2 + b^2 = c^2

A^2 and B^2 will both be the same thing. The red line indicates they are the exact same length.

7.071037812.... ^2 is 50

Now your equation would be 50+50= c^2 (which is the same as x^2)

100= c^2 is simplified by finding the square root of 100.

Your answer is 10 for side X because the square root of 100 is 10.

This problem was solved using the Pythagorean Theorem.

6 0
2 years ago
Read 2 more answers
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