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Darya [45]
3 years ago
15

Assignment: Wed : Finding Unit Rates (7.RP.1, 7. RP.2, 7.RP.2a

Mathematics
1 answer:
spayn [35]3 years ago
6 0

Answer:

5

Step-by-step explanation:

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4x^2-2x-4=0 solve using quadratic formula
MArishka [77]

Answer:

Step-by-step explanation:

Although you can start with 4x^2-2x-4=0, it's just slightly easier to reduce the coefficients.  4x^2-2x-4=0 becomes 2x^2 - x - 2 = 0.

The discriminant (part of the quadratic formula) is b^2 - 4ac.  Using b = -1. a = 1 and c = -2, we get (-1)^2 - 4(2)(-2), or 17.

                                                       -b ± √(b^2 - 4ac)

Then the quadratic formula   x = ---------------------------

                                                                 2a

                                         -(-1) ± √17           1 ± √17

takes on the values  x = -----------------  =  ---------------

                                                  4                      4

4 0
3 years ago
(5+6b^3)^2 expand and combine like terms
Drupady [299]

Answer:

( 5 + 6b^3)^2 = 36b^6 + 60b^3 + 25

Step-by-step explanation:

(a + b)^2 = a^2 + b^2 + 2ab

So,

        (5 + 6b^3)^2 = (5)^2 + (6b^3)^2 + 2 (5)(6b^3)

                       = 25 + 36b^6 + 60b^3

7 0
3 years ago
The radius of a circle is 2 meters. What is the area?
Andrej [43]

Answer:

12.57m²

(please give brainliest)

8 0
3 years ago
Read 2 more answers
A statement with the word "per" is always a unit rate. true/false​
11111nata11111 [884]

Answer:

True

Step-by-step explanation:

The definition of per is for each. Per is used with units to express a rate.

3 0
2 years ago
Simplify. a2 · a5 a3 A) a3 B) a4 C) a7 D) a10
castortr0y [4]

a^{10}, that is D

when multiplying like variables add the exponents

= a^{2+3+5} = a^{10}


5 0
3 years ago
Read 2 more answers
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