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Jobisdone [24]
3 years ago
13

Which of the following could be the first step toward solving the system, 3x + 5y = 8, 4x + 3y = 7? Select all that apply.

Mathematics
1 answer:
levacccp [35]3 years ago
5 0
The answer would be C because you would need to get rid of the variable x. You have to subtract to get rid of the variable x.
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Which binomial is not a devisor of x^3-11x^2+16x+84?
viktelen [127]
<span>dividend x3 - 11x2 + 16x + 84 - divisor * x2 x3 - 7x2 remainder - 4x2 + 16x + 84 - divisor * -4x1 - 4x2 + 28x remainder - 12x + 84 - divisor * -12x0 - 12x + 84 remainder 0 Quotient : x2-4x-12 Remainder: 0 Step-1 : Multiply the coefficient of the first term by the constant 1 • -12 = -12 Step-2 : Find two factors of -12 whose sum equals the coefficient of the middle term, which is -4 . -12 + 1 = -11 -6 + 2 = -4 That's it Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -6 and 2 x2 - 6x + 2x - 12 Step-4 : Add up the first 2 terms, pulling out like factors : x • (x-6) Add up the last 2 terms, pulling out common factors : 2 • (x-6) Step-5 : Add up the four terms of step 4 : (x+2) • (x-6) Which is the desired factorization Final result : (x + 2) • (x - 6) • (x - 7)</span>
8 0
3 years ago
Read 2 more answers
Worth 30 points please give the whole answers.
k0ka [10]
1. (2r + 9)(2r-9) = 4r^2 -81
+ (2r - 9)^2 = 4r^2 - 36r + 81
= 8r^2 - 36r

2. 12 - 5 [ a^2 + a - 1 ] + 5a
= 12 - 5a^2 - 5a + 5 +5a
= 17 - 5a^2

x^3 + 3x^2 + 6x + 18
______
3. x-3/ x^4 + 7
- ( x^4 - 3x^3)
----------------
3x^3 + 7
- (3x^3 - 6x^2)
-------------------
6x^2 + 7
- (6x^2 - 18x)
-------------------
18x + 7
- (18x - 54)
--------------
7 + 54 = R = 61

welp That's What I get
5 0
3 years ago
Read 2 more answers
Fill in the missing statements and reasons in this proof. Number your reasons 1 through 5 as they would be shown in the chart be
NNADVOKAT [17]

Answer:

m∠LON = m∠HKJ

Step-by-step explanation:

. m∠LOM = m∠JKI; m∠MON = m∠IKH               1.

2. m∠LOM + m∠MON = m∠JKI +                  2.

m∠MON

3. m∠LOM + m∠MON = m∠JKI +                  3.

m∠IKH

4. m∠LOM + m∠MON = m∠LON;                  4.

m∠JKI + m∠IKH = m∠HKJ

5. m∠LON = m∠HKJ                       5.

4 0
3 years ago
Write the scientific notation in numerals. 6.4 x 107
bezimeni [28]

Hey!

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

Writing scientific notation in numeral is solving for the equation.

Multiply 10 to 6.4 seven times.

6.4 x 10 = 64

64 x 10 = 640

640 x 10 = 6,400

6,400 x 10 = 64,000

64,000 x 10 = 640,000

640,000 x 10 = 6,400,000

6,400,000 x 10 = 64,000,000

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

Hope This Helped! Good Luck!

3 0
4 years ago
GIVING BRAINLIEST Referring to the figure, determine which of the following graphs
professor190 [17]

Answer:

b

Step-by-step explanation:

just believe me and don't forget to mark brainliest

4 0
3 years ago
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