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Andrei [34K]
3 years ago
9

Please help me with number 22 and if you can part b to please

Mathematics
1 answer:
m_a_m_a [10]3 years ago
6 0
It's not a good picture.it's not possible to read it
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Plssssss ASAP I need the answer
sweet-ann [11.9K]

Answer:

a to b: 8

b to c: -4

c to d: -27.59

Step-by-step explanation:

Average rate of change just means slope!

I used y2-y1/x2-x1

5 0
2 years ago
What is the answer to 5-1/3n=-2
Free_Kalibri [48]

Answer:

21 = n

Step-by-step explanation:

5 - \frac{1}{3}n = -2

-5 - 5

________________

-⅓<em>n</em> = -7

____ __

-⅓ -⅓

21 = <em>n</em>

* Dividing by a fraction is the exact same as multiplying by its <em>multiplicative</em><em> </em><em>inverse</em>:

\frac{-7}{-\frac{1}{3}} = -7 \times -3 = 21

I am joyous to assist you anytime.

4 0
3 years ago
"Eight more than twice a number" can be written as what algebraic expression?
Ainat [17]
" 8 more "....means add 8
" twice a number " means multiply the number by 2

ur expression is : 2n + 8
7 0
3 years ago
Read 2 more answers
Matrix A = [6 -12 4 8]. What is matrix X if 1/2x=A?
Step2247 [10]

Answer:

X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right]

Step-by-step explanation:

A matrix is given by

A = \left[\begin{array}{cccc}6&-12&4&8\end{array}\right]

Now, we have to find the matrix X if \frac{1}{2} X = A

⇒ X = 2A

Now, multiplication of a constant with a matrix means multiplication with that constant with all the terms of the matrix.

So, X = \left[\begin{array}{cccc}6 \times 2&-12 \times 2&4 \times 2&8 \times 2\end{array}\right]

⇒ X = \left[\begin{array}{cccc}12&-24&8&16\end{array}\right] (Answer)

4 0
3 years ago
Read 2 more answers
Solve negative one equals negative two v plus two-thirds for v.
makkiz [27]
We write it out as an equation:

-1 = -2v + 2/3

Rearrange:
-1 -2/3 = -2v

Multiply by negative to equal positive
1 2/3 = 2v

Make 1 into a fraction
3/3 + 2/3 = 2v
5/3 = 2v
10/6 = 2v
5/6 = v

The answer is: v equals 5/6
3 0
2 years ago
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