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katrin2010 [14]
3 years ago
14

(3x^2) (2x^5)use the properties of exponents to simplify​

Mathematics
1 answer:
Solnce55 [7]3 years ago
4 0

Answer:

6x^7.

Step-by-step explanation:

The exponent property for this would be that

x^a * x^b = x^a + b.

So x^2 * x^5 = x^2 + 5 or x^7.

The other part is just multiplying the coefficients 3 and 2, which is 6.

Put these together and you get your answer 6x^7.

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Matty jogs 9 km/hr. Compute Matty's speed in m/s.
REY [17]

Answer:

=9 * 1000 / 3600

=9000 / 3600

=2.5m/s

note that 1000m makes 1km and 3600seconds make an hour

Step-by-step explanation:

7 0
4 years ago
Circle A has a radius of 9 centimeters and Circle B has a diameter of 19 centimeters. What is the relationship between the circu
IRISSAK [1]

Answer:

18:19

Step-by-step explanation:

Given that,

The radius of circle A = 9 cm

The diameter of circle B = 19 cm

We know that,

Radius = diameter/2

The radius of circle B = 19/2 cm

The circumference of circle A is :

C_A=2\pi r_A ....(1)

And that of circle B is :

C_B=2\pi r_B ....(2)

Dividing equation (1) and (2) :

\dfrac{C_A}{C_B}=\dfrac{2\pi r_A}{2\pi r_B}\\\\=\dfrac{r_A}{r_B}\\\\=\dfrac{9}{\dfrac{19}{2}}\\\\\dfrac{C_A}{C_B}=\dfrac{18}{19}

Hence, the ratio of circumferences of Circle A and Circle B is 18:19.

7 0
3 years ago
The coordinates of the vertices of a polygon are (−2, −2) , (−2, 3) , (2, 4) , (3, 1) , and (0,−2) . What is the perimeter of th
kondaur [170]
Given the coordinates of the vertices of a polygon  (−2, −2) , (−2, 3) , (2, 4) , (3, 1) , and (0,−2), the perimeter of the polygon is 18.  It is the sum of the length of five sides.
8 0
3 years ago
Read 2 more answers
Factorise : a^2+4a-60 Step by Step​
NARA [144]

Answer:

Step-by-step explanation:

Sum = 4

Product = -60

Factors = 10 , -6

a² + 4a - 60 = <u>a² + 10a</u> - 6a + (-6) * 10

                    =a(a + 10) - 6(a +10)

                    = (a +10) (a -6 )

                   

6 0
3 years ago
Steve made $ 125 mowing lawns. He gave 60% of his earnings to his mother. How much did Steve give to his mother?
erica [24]
X/125 = 60/100 then 125x60= 7500/100 = $75
8 0
3 years ago
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