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Masja [62]
2 years ago
13

Please give step by step explanation (2x + 3)(3x - 5)

Mathematics
2 answers:
Finger [1]2 years ago
7 0

Answer: 6^{2} - 19x + 15

Step-by-step explanation:

Expand

(2x−3)(3x−5)

using the FOIL Method.

2x(3x)+2x x -5 -3 (3x) -3 x -5

Simplify and combine like terms.

6^{2} - 19x + 15

Alika [10]2 years ago
5 0
Distribute:
2x(3x - 5) + 3(3x - 5)

6x^2 - 10x + 3(3x - 5)

6x^2 - 10x + 9x - 15


Combine Like Terms
6x^2 - x - 15

Solution
6x^2 - x - 15
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mark ordere wome balloons for a party that she is having.The balloons cost $4.50 each and there is a service fee of $12.The tota
ohaa [14]
A general equation to use for this situation is y = mx + b.

For this question, we can assume that y is total cost, m is cost per balloon, x is the amount of balloons, and b as the service fee; so we can set the equation up:

y = (4.50)x + 12

And we can further plug in the total cost to find the number of balloons purchased for the party:

79.50 = (4.50)x + 12

Now we can solve for x (number of balloons):

67.50 = (4.50)x

x = 15

The total number of balloons purchased for the party is 15.
5 0
2 years ago
What is the area of this triangle ?!
fomenos

Answer:

35.

Step-by-step explanation:

To find the area, multiply the length and the width.

A = L x W

7 x 5 = 35

6 0
2 years ago
Read 2 more answers
Which is a y-intercept of the continuous function in the table? х – 4 -3 -2 -1 0 1 f(x) -10 0 0 – 4 -6 0 2 O (0,6) O (-2, 0) O (
Alexxandr [17]

Answer:

x:-4,-3,-2,-1,0,1

f(x):-10,0,0,-4,-6,0

from the table we can see when x=0, y=-6

Therefore the y-intercept will be (0,-6)

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<u />

8 0
3 years ago
Cos(x+y)/cos(x)sin(y)=cot(y)-tan(x)
zhuklara [117]
So there is an identity we'll need to use to solve this:

cos(x+y) = cosxcosy - sinxsiny

replace the numerator with the right hand side of that identity and we get:

(cosxcosy - sinxsiny)/cosxsiny

Separate the numerator into 2 fractions and we get:

cosxcosycosxsiny- sinxsiny/cosxsiny

the cosx's cancel on the left fraction, the siny's cancel on the right fraction and we're left with:

cosy/siny - sinx/cosx

which simplifies to:

coty - tanx




7 0
3 years ago
ms jones has 754 cookies she wants to give to 5 teachers at thre school. how many cookies does each friend get?
frutty [35]

Answer:

about 150

just divide dude

6 0
3 years ago
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