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3 years ago

100 points!!!!!!!!!!!

Mathematics

2 answers:

Lesechka [4]3 years ago

8 0

Answer:

so you might want to lokk at khan acdemy for these types it will give you info

Step-by-step explanation:

inessss [21]3 years ago

6 0

Answer:

v is the wave speed in metres per second, m/s. f is the frequency in hertz, Hz. λ (lambda) is the wavelength in metres

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levacccp [35]

25(6) + [8(6-s)] = t, where s = number of hours and t = total.

7 0

3 years ago

Which side lengths form a right triangle?

sukhopar [10]

Answer:

B. 5, 12, 13

Step-by-step explanation:

√5²+12²=13 - yes

√4²+7²= 8.06- no

√20²+22²=29.73 - no

6 0

3 years ago

write an equation to represent the relationship "a number decreased by negative 2 is equal to 21."Then solve the equqtion

Debora [2.8K]

X - (-2) = 21 <== ur equation
x + 2 = 21
x = 21 - 2
x = 19

8 0

3 years ago

Read 2 more answers

Divide.

Nataliya [291]

Answer:

2/7

Step-by-step explanation:

The quotient is ...

$\dfrac{-16}{-56}=\dfrac{2\cdot8}{7\cdot8}=\boxed{\dfrac{2}{7}}$

A common factor of -8 can be cancelled from numerator and denominator.

3 0

3 years ago

Simplify and then classify by degree and number of terms 2x+3x^2(4x-5)

Delicious77 [7]

Answer:

2x + 3x^2 (4x - 5)

2x + 12x^3 - 15x^2

12x^3 - 15x^2 + 2x

Degree - 3

Terms - 3 (Trinomial)

<h3>Lets explore more - </h3>

The degree of a polynomial is the highest power of its variable
Degree represents the no. of zeros of the polynomial

Linear  - Degree 1
Quadratic - Degree 2
Cubic - Degree 3
Biquadratic - Degree 4

Terms - Classification of polynomial On the basis of terms

monomial - polynomial which has only 1 term
Binomial - Polynomial which has 2 terms
Trinomial - Polynomial which has 3 terms

5 0

3 years ago

Read 2 more answers