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7nadin3 [17]
3 years ago
10

What is the slope of 7x+3y<-26

Mathematics
1 answer:
pogonyaev3 years ago
7 0

Answer:

-7/3.

Step-by-step explanation:

Convert to the form y < mx + c where m is the slope:

7x + 3y < -26          Subtract 7x from both sides:

3y < -7x - 26            Divide through by 3:

y < (-7/3)x - 26/3

So the slope is -7/3.

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7 0
3 years ago
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On the left, model 4 + (-6). On the right, model 4 - 6.
insens350 [35]

Answer:

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3 years ago
The expression below is the factorization of what trinomial-1(x+5)(x+6)
Nadya [2.5K]

Answer:

-x^2 - 11x -30

Step-by-step explanation:

Solve using foiling. Ignore the -1 to begin with and just look at the part in parenthesis. Do x from the first parenthesis times the stuff in the second parenthesis.

ie: x(x) and x(6)

ie: x^2 + 6x

Then do the 5 times the things in the second parenthesis.

ie: 5(x) and 5(6)

ie: 5x + 30

Then add what you got from multiplying the first value to what you got from multiplying the second.

ie: x^2 + 11x + 30

This is a trinomial because it has three different variables. Now change all the signs to negative because of the -1 out front.

ie: -x^2 - 11x -30

4 0
3 years ago
Can someone help me I have two more other questions they are 15 points each I just posted them right now! Thanks so much
nlexa [21]

Answer:

$10 coins: 21

$20 coins: 24

Step-by-step explanation:

heyy me again

So we can create 2 equations where

x = number of $10 coins

y = number of $20 coins:

x + y = 45

10x + 20y = 690

we can move equation 1 around so that we can get a value of x

x = 45 - y

now we can substitute x into the second equation

10(45 - y) + 20y = 690

450 - 10y + 20y = 690

10y = 240

y = 24

Now plug in y back into the first equation

x = 45 - y

x = 45 - 24

x = 21

8 0
3 years ago
ethan took a quiz with 15 questions. if he answered 3/5 of the questions correctly, how many did he get wrong?
valentina_108 [34]
\frac{15}{1} *  \frac{3}{5} =  \frac{45}{5} = 9 &#10; &#10;&#10;&#10;&#10;

15-9= 6
Ethan got six questions wrong. 
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3 years ago
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