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dexar [7]
3 years ago
12

ALG 2 7x+y=9 solve for y

Mathematics
1 answer:
____ [38]3 years ago
5 0

7x+y-9=0

move constant to the left by adding its opposite to both sides. the sum of the two =0

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Find a degree three polynomial having zeros -6, -8 and -3 and a leading coefficient equal to one
kifflom [539]

Answer:

Step-by-step explanation:

hello  :

f(x) = (x+3)(x+6)(x+8)

3 0
3 years ago
Solve for x and y y+8=-4(x+7)
Sedaia [141]
Because you can't solve for two variables at once, you can guess and trial/error.
You can also give x or y any value, and then solve for the opposite variable.

x = 0
y = -36
for example. There are more solutions.

   y + 8 = -4(x+7)
-36 + 8 = -4(0+7)
      -28 = 0 - 28
      -28 = -28
6 0
3 years ago
An arrow is shot vertically upward at a rate of 230 feet per second. Use the projectile formula h = −16t2 + v0t to determine at
maxonik [38]

Answer:

The question gives you V0 as 220, so plug that in first.

h=-16t2+220t.

Then it says to find the time (solve for t), when the height is 400 ft. Plug 500 ft in as h and solve for t.

500=-16t2+220t.

To solve this, set the quadratic equal to 0 by subtracting 500 from both sides (0=-16t2+220t-500) and use the quadratic formula!

Step-by-step explanation:

5 0
11 months ago
Please helpppppp<br> ASAPpppppp
photoshop1234 [79]
It should be B I’m pretty sure
6 0
2 years ago
What is the correlation coefficient for the model that predicts the list price of all homes using population as an explanatory v
denis23 [38]

Here, we are concerned about two variables from the above data set, namely, Condo or co-ops and the Unemployment rate. We use the CORREL function of Excel to calculate the correlation coefficient rate and it is = R = -0.01873.

A Weak (negative) correlation exists between the list price of condominiums and co-ops and the unemployment rate.

The correlation coefficient is a statistical measure of the strength of the connection between the relative actions of two variables. The values varied between -1.0 and 1. zero. A calculated wide variety greater than 1. zero or less than -1.zero means that there was an error within the correlation size.

The correlation coefficient is decided with the aid of dividing the covariance by way of the product of the 2 variables' popular deviations.

Correlation values above 0. eight are deemed to signify a strong tremendous linear courting between the variables. Values among zero and 0. three imply a vulnerable relationship or none.

Learn more about correlation coefficient here brainly.com/question/4219149

#SPJ4

6 0
2 years ago
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