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Tomtit [17]
3 years ago
13

Follow these steps using the algebra tiles to solve the equation -5x + (-2) = -2x + 4

Mathematics
2 answers:
vova2212 [387]3 years ago
4 0

Answer:

x=-2

Step-by-step explanation:

Kobotan [32]3 years ago
3 0

Answer:

x=-2

Step-by-step explanation:

−5x−2+2x=−2x+4+2x

−3x−2=4

Step 2: Add 2 to both sides.

−3x−2+2=4+2

−3x=6

Step 3: Divide both sides by -3.

−3x

−3

=

6

−3

x=−2

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How to find the roots of a polynomial of degree 4.
german

Answer:

In this case, the factor that comes out is x=−3, so you would divide by (x+3). Repeat until you've reduced to a quadratic, and then use the quadratic formula to find the irrational coefficients (if any). Simple factorisation solves your problem. Hence the 4 roots are x=12,x=−3,x=2i and x=−2i.

7 0
2 years ago
A peregrine falcon can fly 332 kilometers per hour. How many meters per hour can the falcon fly?
Brrunno [24]


there are 1000 meters in 1 kilometer. so 332 kilometer X 1000

332(1000)= 3320

so the falcon can fly 3320 meters per hour

4 0
3 years ago
By what percent will the product of two numbers decrease if one of them is decreased by 20% and the other is decreased by 50%?
Furkat [3]

Answer:

(x - .20)(x - .50)

x^{2} = (.20)(.50)

x^{2} = 0.1

x = \sqrt{ .1

x = .32

the product of two numbers decrease by 32%

8 0
3 years ago
Three consecutive even numbers have a sum between 84 and 96.
ELEN [110]

Answer:

a. 84 < n + (n + 2) + (n + 4) < 96

b. 26 < n < 30


Step-by-step explanation:

Let n = 1st number

n+2   2nd  even number

n+4 = 3rd even number

The sum of these 3 numbers is

n+n+2+n+4

It must be between 84 and 96  (it does not include this 84 and 96)

84< n+n+2+n+4 < 96


Now we need to solve this

Combine like terms

84 < 3n +6< 96

Subtract 6 from all sides

84 -6 < 3n+6-6 < 96 -6

78 < 3n < 90

Divide all sides by 3

78/3 < 3n/3 < 90/3

26 < n< 30


5 0
3 years ago
(5 × 20) + (3 × 20) What is another expression to calculate the total amount spent? A) (5 + 3) × 20 B) 5 × (20 + 3) C) 5 × 20 ×
il63 [147K]
The answer is A
your expression said 5×20=100 +3×20=60 So 100+60=160
now the option A is5+3=8 then 8×20=160 there the same product
5 0
3 years ago
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