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Dima020 [189]
3 years ago
11

Rewrite the expression by using grouping symbols. y • 4 + y • z

Mathematics
2 answers:
Free_Kalibri [48]3 years ago
4 0

Step-by-step explanation:

the answer is B. y (4 + z)

patriot [66]3 years ago
3 0

Answer:

B.y(4+z)

Step-by-step explanation:

We are given that an expression

y\cdot 4+y\cdot z

We have to rewrite the expression.

To rewrite the expression we will take common y from given two terms in the expression.

y\cdot 4+y\cdot z  (given )

Taking common out y from two given terms in the expression

y(4+z)

Therefore, the expression can be written as

y(4+z)

Hence, the option B is true.

B.y(4+z)

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Hey guys I need some help with #7 so if anyone could help that would be great THANK YOU!!
iVinArrow [24]

The average rate of change obtained from the ratio of change in y to the change in x is 27

The average rate of change can be obtained using the relation :

Rate of change = (y2 - y1) ÷ (x2 - x1)

at; x1 = -3

y1 can be calculated from the function ;

y1= 3(-3³)-1

y1=-82

At ; x2 = 3

y2 can be calculated from the function ;

y2 = 3(3³)-1

y2=80

The rate of change can be calculated thus : (y2 - y1) ÷ (x2 - x1)

[80-(-82)]/[3-(-6])

162/6

27

Learn more about the average rate of change here:

brainly.com/question/18550782

#SPJ1

8 0
1 year ago
In how many ways can 2 singers be selected from 4 who came for an audition?
Triss [41]

\displaystyle \binom{4}{2}=\dfrac{4!}{2!2!}=\dfrac{3\cdot4}{2}=6

7 0
3 years ago
If a person puts 1 cent in a piggy bank on the first day, 2 cents on the second day, 3 cents on the third day, and so forth, how
cluponka [151]
This is an arithmetic sequence with the common difference being 1

and if u have 1 cent on day 1 and 2 cents on day 2....then on day 40, u would have 40 cents....but we need the sum of all the days..

the sum of an arithmetic sequence can be found using the formula :
sn = n(a1 + an) / 2
n = number of terms = 40
a1 = first term = 1
an = last term = 40

now we sub
s(40) = 40(1 + 40) / 2
s(40) = 40(41)/2
s(40) = 1640/2
s(40) = 820.....820 cents = $ 8.20 <== the sum
4 0
3 years ago
I’ve been stuck on this for awhile please I need help
ankoles [38]

Answer:

y = 96°

Step-by-step explanation:

The measure of the inscribed angle y is half the measure of its intercepted arc.

The whole circle = 360°

the intercepted arc = 360° - 168° = 192°

Thus

y = \frac{1}{2} × 192° = 96°

7 0
3 years ago
Math Analysis Please Help !!!!!!
USPshnik [31]
Pretty sure that the answer is B because if you plug in x+1 into 4x^2 you get 4(x+1)^2
5 0
3 years ago
Read 2 more answers
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