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drek231 [11]
3 years ago
15

What, approximately, is the mean weight for babies born

Mathematics
1 answer:
jonny [76]3 years ago
8 0
I think the answer will be c
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If x^2-x-6 and x^2+3x-18 hacpve a common factor (x-a) then find the value of a.​
DedPeter [7]

Answer:

a = 3

Step-by-step explanation:

Factor both expressions

x² - x - 6

Consider the factors of the constant term (- 6) which sum to give the coefficient of the x- term (- 1)

The factors are - 3 and + 2 , since

- 3 × 2 = - 6 and - 3 + 2 = - 1 , thus

x² - x - 6 = (x - 3)(x + 2)

-----------------------------------

x² + 3x - 18

consider factors of constant term (- 18) which sum to give the coefficient of the x- term (+ 3)

The factors are + 6 and - 3 , since

6 × - 3 = - 18 and 6 - 3 = + 3 , thus

x² + 3x - 18 = (x + 6)(x - 3)

Both expressions have a common factor of (x - 3)

Compare with (x - a ), then a = 3

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2 years ago
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Choose the appropriate unit. The boy is 1.5 tall
Firdavs [7]
The until would be ft

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How do you model .7 on a number line
Rasek [7]

Answer:

.7 is over 0 and under 1 so u have to make the mark just in between them right I front of the half way mark.

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3 years ago
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Your car's gas tank holds 13 gallons, and you expect to get about 25 miles per gallon on this winding road. to be sure you don't
ipn [44]

If you had to drive for more than 300 kilo meters for the first day you need to stop for gas fill up.

<h3>What is unitary method ?</h3>

Unitary method is a mathematical tool for finding the value of single unit then deriving the given units according to the question.

According to the given question your car's gas tank holds 13 gallons, and you expect to get about 25 miles per gallon.

Given that you never want to run out of gas to not face this issue you always keep 1 gallon of gas in the tank.

So when you fill your tank completely you fill for 12 gallons of gas because 1 gallon is already there.

Also given that the car can go 25 miles per gallon.

So, for 12 gallons of gas you can go (25 × 12 ) miles which is

= 300 miles.

If you had to drive for more than 300 kilo meters then you need to stop for gas in first day's drive.

learn more about unitary method here :

brainly.com/question/28276953

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1 year ago
Which number from the set of numbers {3, 5, 6, 7} makes the equation TRUE?<br><br> 5x - 5 = 30
swat32

Answer:

7

Step-by-step explanation:

5 x 7 = 35 - 5 = 30

7 0
3 years ago
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