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Evgen [1.6K]
3 years ago
13

Find the value of x (3x-9) (x + 7)

Mathematics
1 answer:
laila [671]3 years ago
3 0

Answer:

x=-3 and x=-7

Step-by-step explanation:

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How to write a binomial expression in standard form that has a degree of 4
dimaraw [331]

(x+a)^4 = ^4C_0 x^4 + ^4C_1 x^{4-1} a + ^4C_2x^{4-2}a^2 + ^4C_3x^{4-3}a^3 + ^4C_4x^{4-4}a^4

= x^4 + 4x^3a + 6x^2a^2 + 4xa^3 + a^4

5 0
3 years ago
In one baseball season, Peter hit twice the difference of the number of home runs Alice hit and 6. Altogether, they hit 18 home
saw5 [17]
Below is the solution:

There are two equations to be solved here.  The first one we assign variables to the home runs Peter hits, P, and Alice hits, A. P=2*(A-6) The second equation is the sum of both players home runs.P + A = 18Solving for P yieldsP=18-A We substitute the solution for P into the first equation and solve for A.(18-A) = 2*(A-6)18 - A = 2A - 123A = 30A = 10 Now that A is known, we can plug it into either equations for P to find how many home runs Peter hitsP=18 - (10) = 8orP=2((10)-4) = 8
7 0
3 years ago
3. Would it be more efficient to use an inequality vo
myrzilka [38]

Answer:

Inequality

Step-by-step explanation:

There are an infinite number of quantities less than 6 (5, 4, 3, 2, 1, 0, -1, -2, -3...) so it is much easier to write an inequality

4 0
3 years ago
Which of the following options have the same value as 75%, percent of 96?
dexar [7]
The choices should be B, C, and E. Hope this helps
6 0
3 years ago
What is the pattern here?
tigry1 [53]
To get the number at the back, you would need to multiply the number in front by 3 and minus 1.
The answer would be A
8 0
3 years ago
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