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Harman [31]
3 years ago
5

Can someone help on this other question ^W^

Mathematics
2 answers:
Dvinal [7]3 years ago
6 0

Answer:

\huge\boxed{z=12}

Step-by-step explanation:

\dfrac{z}{4}-2=1\qquad|\text{add 2 to both sides}\\\\\dfrac{z}{4}-2+2=1+2\\\\\dfrac{z}{4}=3\qquad|\text{multiply both sides by 4}\\\\4\!\!\!\!\diagup\cdot\dfrac{z}{4\!\!\!\!\diagup}=4\cdot3\\\\z=12

Ket [755]3 years ago
5 0

Answer:

z=12

Step-by-step explanation:

z/4-2=1

z/4=2+1

z/4=3

z=3×4

z=12

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URGENT! please answer and explain ! 98 points
Sunny_sXe [5.5K]

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4 years ago
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It is not always possible to measure every individual in a population; what is the name of the representative group
Scorpion4ik [409]

Answer:

Sample

Step-by-step explanation:

The term that represents the description in the question is called sample.

Take for instance:

  • 40 students selected from a class of 100
  • 1000 people selected from a population of 100000

In the above descriptions:

40 and 1000 represent the samples while 100 and 100000 represent the populations, respectively.

Another example is when 10 cats are picked from an animal farm in order to study their eating pattern.

All these and many more represent sample.

7 0
3 years ago
You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?
ryzh [129]

Answer:

108 units

Step-by-step explanation:

We are given that

Length of each  office,l=10 units

Breadth of each office=b=8 units

Total number of office=3

We know that

Perimeter of rectangle=2(l+b)

Using the formula

Length of cable for 1 office=2(10+8)=36units

Length of cable required for 3 offices=36\times 3=108units

Hence, the required length of cable=108 units

6 0
3 years ago
You are running a concession stand selling hot dogs and sodas. Each hot dog costs $2 and each soda costs $1. At the end of the n
amm1812

Answer:

see the explanation

The number of hot dogs that were sold is 15 and the the number of sodas that were sold is 75

Step-by-step explanation:

Let

x ---> the number of hot dogs that were sold

y ---> is the number of sodas that were sold

we know that

You sold a total of 90 hot dogs and sodas combined

so

x+y=90 ----> equation A

You made a total of $105

so

2x+y=105

isolate the variable y

y=105-2x ----> equation B

substitute equation B in equation A

x+(105-2x)=90

solve for x

x=105-90\\x=15

Find the value of y (equation B)

y=105-2(15)=75

therefore

The number of hot dogs that were sold is 15 and the the number of sodas that were sold is 75

4 0
3 years ago
Which equation shows y=−1/2x+4 is in standard form?
gavmur [86]
Y = -1/2x + 4

2y = -x + 8

x + 2y = 8: the standard form
4 0
3 years ago
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