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Montano1993 [528]

3 years ago

13

Please answer the ixl math problem for 15 points and please fill in the blanks with the correct answer please i beg will mark br

ainliest

1 answer:

aivan3 [116]3 years ago

5 0

Answer:

y = 5x + 4

Step-by-step explanation:

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The element silicon has a molar mass of 28.09 g/mol. Calculate the mass of 0.15 mol of Silicon.

Sav [38]

The answer is 28.09 g. I hope this helped.

3 0

2 years ago

Help picture below problem 13

kirza4 [7]

The Pythagorean theorem is the idea that the sum of the two legs which are both squared is equal to the hypotenuse's length squared.

*<em>look at the image I attached for a better explanation</em>

By looking at the picture, we are missing the leg's length, and by using the Pythagorean theorem, we get the equation

$?^2+5^2 = 13^2\\?^2 + 25 = 169\\?^2 = 144\\? = 12$

Thus the <u>missing side length is 12 cm</u>

Hope that helps!

8 0

2 years ago

Twenty words were randomly selected from two textbooks. Each set gives the number of letters in each of the twenty words for tha

Alborosie

Answer:

k = 13The smallest zero or root is x = -10

Step-by-step explanation:

you can write "x^2" to mean "x squared"

f(x) = x^2+3x-10

f(x+5) = (x+5)^2+3(x+5)-10 ... replace every x with x+5

f(x+5) = (x^2+10x+25)+3(x+5)-10

f(x+5) = x^2+10x+25+3x+15-10

f(x+5) = x^2+13x+30

Compare this with x^2+kx+30 and we see that k = 13

Factor and solve the equation below

x^2+13x+30 = 0

(x+10)(x+3) = 0

x+10 = 0 or x+3 = 0

x = -10 or x = -3

The smallest zero is x = -10 as its the left-most value on a number line.

7 0

2 years ago

in your own words explain the place value relationship when the same two digits are next to each other in a multi digit number

zavuch27 [327]

I'll use 44.
This number broken down means 4 in the 10's place and 4 in the ones place
4(10)+4(1)= 40+4=44

4 0

3 years ago

A butcher $32 for X pounds of beef ribs. Which expression represents the price per pound?

Lera25 [3.4K]

Answer:

The expression $32/x represents the price per pound.

Step-by-step explanation:

Given:

$32 for X pounds of beef ribs.

Now, the symbol which represents the per is this → / .

So, $ $32/x$ shows the expression for the price per pound.

Therefore, the expression $32/x represents the price per pound.

4 0

3 years ago