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Irina-Kira [14]
3 years ago
9

What is the factored form of x^2-x-2? ​

Mathematics
1 answer:
ipn [44]3 years ago
8 0

Answer:

(x+1)(x-2)

Step-by-step explanation:

You can factor this by grouping.

x^2-x-2

\left(x^2+x\right)+\left(-2x-2\right)

x\left(x+1\right)-2\left(x+1\right)

\left(x+1\right)\left(x-2\right)

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Find the next 2 terms in the Geometric sequence 20,30,45 ...
DochEvi [55]

Answers:

The next two terms are 67.5 and 101.25 in that order.

===========================================

Explanation:

Divide the second term over the first to get 30/20 = 1.5

Divide the third term over the second term to get 45/30 = 1.5

The common ratio is 1.5, which means we multiply 1.5 by each term to get the next term

-------

fourth term = 1.5*(third term) = 1.5*45 = 67.5

fifth term = 1.5*(fourth term) = 1.5*67.5 = 101.25

-------

As a shortcut you can plug n = 4 and n = 5 into the function t(n) = 20*(1.5)^(n-1) to get the fourth and fifth terms respectively.

3 0
3 years ago
Find the measure of each numbered angle for each figure
cricket20 [7]

Answer:

Angle 1 is 58. Angle 2 is 32.

Step-by-step explanation:

The measure of Angle ACB is 90 because C is on the circle and A and B connect to form a diameter of the circle. So, Angle 1 and Angle 2 add up to 90 (total degrees in triangle - 90). Now you can add the expressions the question gave for Angle 1 and Angle 2, and you get 7x + 6. So you have the equation 7x + 6 = 90. Solve the equation and you get x = 12. Now you can plug in that value for x into the expressions for Angles 1 and 2 to find their measures.

6 0
3 years ago
I don’t know how to do this. Can someone help?
Aleks04 [339]

Answer:

x1=8

x2=1/5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Show your work <br> Solve multi step equation <br> 4d-3-2d=-15
Fed [463]
I believe this is how you do it

4 0
4 years ago
Read 2 more answers
A fruit juice company makes two kinds of juice blends, each in 1 gallon bottles. the regular mix uses 1/2 a gallon of orange jui
Snowcat [4.5K]

Answer:

56 regular   37 tropical             Maximum profit   $204.75

Step-by-step explanation:

 Constraints are:  

r ≥ 0  

t ≥ 0  

2r+ 3t ≤ 125  

2r + 1t ≤ 150

I will multiply the second by -3 to cancel  t  variable and see what  is the maximum amount for the regular

2r + 3t ≤  225

-6r - 3t ≤   -450

ADD BOTH

-4r    ≤ -225

r≤ 56.5  

Since we need to pick whole bottles ,not a fraction of a bottle we need ro round down.It should be less  than 65.5.So we need 56 bottles of regular

2*56 +3t  ≤ 225

112+3t ≤ 225

3t ≤ 113

t≤  37.6666    

37 bottles of tropical

2*56 + 3*37 =  112+111 =223       223<225

2*56 +37  =  112 +37  =149          149<150

$2.5*56 = $140

$1.75*37 = $64.65

Total profit   $204.75

3 0
3 years ago
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