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Nataly_w [17]
4 years ago
9

70 points

Mathematics
2 answers:
Firlakuza [10]4 years ago
6 0

Answer:

A

Step-by-step explanation:

-3x²y² × y⁴x³

When multiplying, add the exponents:

-3x⁽²⁺³⁾y⁽²⁺⁴⁾

-3x⁵y⁶

Answer is A.

sineoko [7]4 years ago
3 0

Answer:

<h2>A.</h2>

Step-by-step explanation:

-3x^2y^2\cdot y^4x^3=(-3)(x^2x^3)(y^2y^4)\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=(-3)(x^{2+3})(y^{2+4})\\\\=-3x^5y^6

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atroni [7]
Since the two labelled angles are corresponding angles, they are equal.
10x = 9x + 10
Subtract both sides by 9x 
x = 10
Also, if you need to know, the angle length is 100 degrees.

Have an awesome day! :)
8 0
3 years ago
In one month, Juan worked 5 more hours than Carlito. Sara worked 3 times as many hours as Juan. Altogether they worked 80 hours
tamaranim1 [39]

Answer:

The answer to your question is  a) C + J + S = 80

                                                     b) C = J + 5

                                                      c) S = 45 hours

Step-by-step explanation:

a) To represent the number of hours that they work together, just add the variables and equal them to 80.

            Carlito  +  Juan  +  Sara  = 80

               C + J + S = 80                                 Equation l

b) Juan worked 5 hours more than Carlito

              Juan = Carlito + 5

                  J = C  + 5                                     Equation ll

c) Hours worked by Sara

                  S = 3J                                          Equation lll

                  C = J - 5

Substitute equation ll and lll in equation l to find J

                J - 5 + J + 3J = 80

                5J = 80 - 5

                5J = 75

                  J = 75/5

                  J = 15

-Find S

                S = 3(15)

                S = 45 hours

3 0
4 years ago
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Simplify the expression. 1−(sec2x−tan2x)
tangare [24]

Answer: 1

−

1

(

s

e

c

2

−

1

t

a

n

2

)

Step-by-step explanation:

8 0
3 years ago
Eric kept track of his days is a journal:
Leya [2.2K]

Answer:

3

Step-by-step explanation:

5 percent * 60 =

(5:100)* 60 =

(5* 60):100 =

300:100 = 3

7 0
3 years ago
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You deposited $700 in a savings account 4 years ago. The simple interest rate you earn is 4%. What is the amount of interest tha
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Answer: $112

Step-by-step explanation:

700x0.04=28x4=112

8 0
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