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Bogdan [553]
2 years ago
11

50 POINTS. Part II: Using the FOIL method, multiply the terms in the binomials below. Show your work in the blanks provided. The

n, add any like terms and write the polynomial in standard form in the space provided. Show your work. (8 points: 2 points each)
A. (3x + 7)(2x – 5) B. (x2 + 2x)(5x2 – 3x)
C. (5x + 4)(5x – 4) D. (x2 – 7)(x2 – 4)
Mathematics
1 answer:
baherus [9]2 years ago
6 0
Uh I am pretty sure the answer is A but I may be entirely wrong
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After 2 years, Deion earned $270 in simple interest from a CD into which he
Dennis_Churaev [7]
The answer is A. 2.25%
7 0
3 years ago
Determine which of the following ordered pairs satisfies the given system of equations.
alekssr [168]

Answer:

(-3,2)

Step-by-step explanation:

1) -2x+y=8

you need to leave the Y alone on one side. Then, the term -2x goes to the other side with its opposite sign which is +.

y=8+2x

2) y=2x/(5-8)

3) 8+2x=2x/(5-8)

now, you need the x value. for that, you need to leave x alone on one side.

8+2x=2x/(-3)

8+2x=-(2/3)x

8=-(2/3)x-2x

8=-(8/3)x

8/-(8/3)=x

-3=x

4) you now have the x value. you need the y value. for that, replace the x in one of the given equations. let´s use the 1st equation.

-2x+y=8

y=8+2x

y=8+2*(-3)

y=2

result:

x= -3

y=2

8 0
3 years ago
Can somebody help me with this problem
kati45 [8]
First substitute y=5x+7 so that would turn into 5x+7=6x

Then, isolate/solve for x for 5x + 7 = 6x, in this problem x=7

Substitute x=7 into y=5x+7

y=42


x=7, y=42
(7,42)


6 0
3 years ago
Indicate the method you would use
FinnZ [79.3K]

Answer:

correct choice is 1st option

Step-by-step explanation:

Two given triangles have two pairs of congruent sides: one pair of length 7 units and second pair of length 8 units. The third side is common, i.e the lengths of third sides are equal too.

Use SSS theorem that states that if three sides of one triangle are congruent to three sides of another triangle, then these two triangles are congruent.

Thus, given triangles are congruent by SSS theorem.



7 0
3 years ago
X= 2 please solve before 5 pm
MariettaO [177]

Answer:

6. y=20

7. y=3

8. y=3

Step-by-step explanation:

7 0
3 years ago
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