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zhuklara [117]
3 years ago
7

Which expression is equivalent to 4z+2z

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0

Answer:6z

Step-by-step explanation:

4z+2z=6z

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What is the kinetic energy of a 50-kg child running to catch the school bus at 2 m/s
aev [14]

Answer:

100 J

Step-by-step explanation:

The formula for kinetic energy is as follows:

\boxed{KE=  \frac{1}{2} mv²}

where

KE= kinetic energy (J)

m= mass (kg)

v= velocity (m/s)

Given: m= 50 kg, v= 2 m/s

Substituting the given information into the formula:

KE

= ½(50)(2²)

= ½(50)(4)

= 100 J

7 0
2 years ago
Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult tick
kirill115 [55]

Answer:

child's ticket =  4.75        adult ticket=10.75.

Step-by-step explanation:

The cost of an adult ticket is 6 more than that of a child ticket, so will be denoted by c+6. Now, we are told that the cost of four child tickets and two adult tickets is 40.50, so we can put this in an equation and solve for c:

(c+6)+(c+6)+c+c+c+c=40.50

6c+12=40.50

6c=28.50

c=4.75

Therefore the cost of a child's ticket (c) is 4.75 and the cost of an adult ticket (c+6) is 10.75.

4 0
3 years ago
Peter has decided to save $30 each week to buy a new stereo system.Write a direct variation equation for the amount of money, m,
Lena [83]
M=w-30 is the answer if you want to find how much you want to find each week.
3 0
3 years ago
The volume of a cylinder is the base (B) times the length of its height (h).
levacccp [35]

Answer:

\text{The formula of a volume of a cylinder:}\\\\V=BH\\\\B-base\ area\\H-height\\\\\large\huge\boxed{\bold{B.\ V=Bh}}

5 0
3 years ago
Read 2 more answers
Consider the following conditional statement:
IrinaVladis [17]

Answer:

a. contrapositive because it's the converse and inverse. True.

b. converse because it's the reverse of conditional statement. True.

c. That is false so it's not converse, inverse, or contrapositive.

6 0
3 years ago
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