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rosijanka [135]
2 years ago
5

If 4x + 2z = 5y, and z = x + y, then the ratio of y to x is

Mathematics
1 answer:
Alja [10]2 years ago
5 0

Answer:

z=x+y

2=4+5

4=-2+5

4=-7

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Answer the questions please
Drupady [299]

Answer:

4.  988 people

5. a. 7 quarters

    b. 6 quarters 2 dimes 1 nickel

    c. 5 quarters 5 dimes

    d. 4 quarters 7 dimes 1 nickel

1.  $65.65, $5.05

2. $7.70, $15.40

3. a. 7 quarters

    b. 6 quarters 2 dimes 1 nickel

    c. 5 quarters 5 dimes

    d. 4 quarters 7 dimes 1 nickel

4. 31 bags

5. $30, $4.50

Step-by-step explanation:

4. take value times percent.

5. think coins

1. find difference then divide by number of days (13)

2. multiply by 1/3 then find difference.

3. think coins

4. find area then divide by 200

5. just break the problem down and go quarter by quarter.

4 0
3 years ago
What is the area of this figure? Enter your answer in the box.
ElenaW [278]
Area
=3*2/2+6*1/2+3*6/2+(6+7)*6/2
=54

7 0
3 years ago
Read 2 more answers
In 1987​, 522 comma 000 people worked in the air transportation industry. In 2003​, the number was 480 comma 000. ​(a) Find a li
umka2103 [35]

Answer:

the linear equation is :

y= -2625x+5737875

and 440000 employees will be in year 2271

Step-by-step explanation:

in order to find the linerar equation let us first convert the given data into (x,y ) co-ordinates i.e

x1= 1987 y1= 522,000  

and

 

x2= 2003, y2 = 480000

according to two point form:

y-y1 = (y2-y1) \frac{x-x1}{x2-x1}

In this example we have x1=1987 , y1=522000 , x2=2003 and y2=480000. So,

y - 522000 = \frac{480000-522000}{2003-1987}  (x-1987)\\y- 522000 = -2625(x-1987)\\y- 522000= -2625x+5215875\\\\y= -2625x+5737875

now to find the year when there will be 440000 employs working , we simply put y= 440000 in the above derived equation

440000= -2625x+ 5737875\\\\2526x = 5737875 -440000\\2526x =  5736555\\x= \frac{5736555}{2526} \\x= 2271

7 0
3 years ago
Write an equation of the line passing through each of the following pairs of points. (4,-8), (0,2)
ollegr [7]

Step-by-step explanation:

m=\frac{2-(-8)}{0-4}=\frac{10}{-4}= -2.5

this may be right but I do not know

7 0
3 years ago
Can you help me pls can you help me
spayn [35]

Answer:

B

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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