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Vlad [161]
3 years ago
9

Please help me!!! (the answer isn't 140 or 70 :/ )

Mathematics
1 answer:
kirza4 [7]3 years ago
7 0

Answer:

b=40

Step-by-step explanation:

Since PQ is equal to RQ triangle PQR is isosceles. Angle PRQ is equal to 40 degrees because of supplementary angles. And since triangle PQR is isosceles angle b is equal to angle PRQ which means angle b is equal to 40

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If the ratio of areas is 81:1, then the ratio of the volumes is
Alchen [17]

Answer:

729:1

Step-by-step explanation:

6 0
3 years ago
Alina is moving into a two-bedroom apartment in Downtown Tampa. The monthly rent is $2,000. Her up-front fees are shown. How muc
avanturin [10]

Answer:

7440

Step-by-step explanation:

3%×2000=60

60+20=80

2000+2000=4000

4000+80=4080

14%×24000=3360+4080=7440

4 0
3 years ago
What is the solution set of the equation<br> 3X=-6/1-X<br> for x # 1?
Irina-Kira [14]

The solution set of the equation 3X=-6/1-X for x # 1 is {-2,1)

3x = -6/(1-x)

3x(1-x) = -6

3x – 3x2 = -6

Taking 3 as common from both sides

x –x2 = -2

x2 – x +2 =0

Using factorisation method we will get two factors

Factoring quadratics is a method of expressing the quadratic equation ax2 + bx + c = 0 as a product of its linear factors as (x - k)(x - h), where h, k are the roots of the quadratic equation ax2 + bx + c = 0. This method is also is called the method of factorization of quadratic equations. Factorization of quadratic equations can be done using different methods such as splitting the middle term, using the quadratic formula, completing the squares, etc.

( x – 2)(x+1)=0

So, x = 2 , -1

Now, when x ≠ 1

The solution of the equation will vary from {-2,1) .

Learn more about the factorisation here brainly.com/question/13496719

#SPJ9

3 0
2 years ago
Use the Factor Theorem to determine if the given binomial is a factor of the given polynomial function:f(x)=4x^4-20x^3+33x^2-22x
Xelga [282]

Answer:

D: f(5/2)=0; yes, the binomial is a factor of the polynomial

Step-by-step explanation:

The easy way to determine is to plug in the potential zero into the polynomial given the binomial divisor and see if it results in 0. If so, then the binomial is a factor of the polynomial:

Because f(5/2)=0, then the binomial is indeed a factor of the polynomial!

6 0
3 years ago
Thanks for answering these 1. -2(n-6)
myrzilka [38]
1) -2(n-6)

-2n+12


2) (5b-4)1/5
(5b-4)(1/5)
(5b)(1/5)+(-4)(1/5)

b+-4/5


3) 2/3(6y+9)
(2/3)(6y)+(2/3)(9)

4y+6


4) 4t-7t

-3t


5) -18v^2+23v^2

5v^2


6) 13q-30q

-17q


4 0
3 years ago
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