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Aleksandr [31]
3 years ago
8

What is (4x-3)(7x+6)?

Mathematics
2 answers:
andre [41]3 years ago
5 0

Answer:

28x^{2} + 3x - 18

professor190 [17]3 years ago
4 0

Answer:

28x^2+3x-18

Step-by-step explanation:

Formula: (a+b)(a+b) = a^2 + a*b + a*b + b*b

Following this: 28x^2 -21x +24x -18

Then you combine like terms: 28^2 +3x-18

hope this helped!! :)

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I am struggling with triangles missing angles with the formula if you could explain your answer step by step that would be great
Alborosie

Answer:

See below.

Step-by-step explanation:

The 3 angles of all triangles add up to 180 degrees.

An isosceles triangle has 2 of its angles equal.

So if one of the angles is 130 degrees then there cant be another one of 130 degrees as that would make 260 degrees.

So the other 2 angles are equal and their measure is (180 - 130) / 2

= 50 / 2

= 25 degrees.

The 2 equal angles are both 25 degrees.

3 0
3 years ago
Becky has 8 more marbles than Kim. Together they have 76 marbles. Find the number of marbles that Kim has​
Wittaler [7]

Answer:

68

Step-by-step explanation:

    76

 -    8

_______

4 0
3 years ago
Find the domain and range please!
kirza4 [7]

Answer:

domain: -2 < x < 4

range: -∞ < y < 9

Step-by-step explanation:

domain: because the domain is all of the x-values, just look for the furthest one to the left, which is -2, and then look for the one that is furthest to the right, it being 4.

range: because the quadratic function has the two arrows continuing downwards, toward the negative portion of the graph, it would be -∞. Then look for the maximum of the graph, which would be considered the most highest part of the graph, which is seen on the graph as 9.

7 0
3 years ago
You recite 86 new words in an hour. how many new words do you recite per minute
Radda [10]

Answer:

so 1 word per min

Step-by-step explanation:

well 1 hour = 60 min

so divide 86 by 60

1.4333333 . . .

5 0
3 years ago
Read 2 more answers
Simplify the given polynomial expressions as much as possible.<br><br><br> (3x - 6)(8x + 2)
vfiekz [6]

Answer:

Step-by-step explanation:

Remark

All you can really do is remove the brackets. Use FOIL

Solution

First: 3x*8x = 24^2

Outside: 2* 3x = 6x

Inside: -6*8x = - 48x

Last: -6*2 = - 12

Answer

24x^2 + 6x - 48x - 12

24x^2 - 42x - 12

5 0
2 years ago
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