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Nookie1986 [14]
3 years ago
6

You have $50 in your bank account. You make $8 per hour mowing lawns. How many hours must you mow lawns to have a total of $130

in your account?
Chang uses a variable. He first subtracts then divides. Carlotta does not use
The operations Carlotta uses are the operations Chang uses.
Chang and Carlotta use the operations in order
Mathematics
1 answer:
vodomira [7]3 years ago
4 0
Answer : 10 hours


how: 130-50
then 8 devided by the answer which is 80

double check: 8x10=80 
80+50=130
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The following graph shows a proportional relationship.
LenKa [72]

Answer:

2

Step-by-step explanation:

If we look at the graph this is an increasing graph where y increases with respect to x so in other words we can say that y is directly proportional to x.

y\ \alpha\ x\\

and when we remove the proportionality sign we replace it with an equal to sign and a constant. So it becomes ,

y = kx\\

now to find the Constant of proportionality which is k we can use any ordered pair(coordinate/point) from the graph,

Lets take ( 2 , 4) where 2 represents the value of x on the x-axis and 4 represents the value of y on the y-axis so now,

y=kx\\(4)=k(2)\\4=2k\\4/2=k\\k=2\\

so the constant of proportionality is 2

4 0
3 years ago
Pls help me and thanks
mojhsa [17]
Answer = 5.656854249

Step by step:

This equation is just a simple Pythagorean theorem ( if you were not aware, it’s a2 + b2 = c2. To get c is to find the square root of c)
5 0
3 years ago
Read 2 more answers
(repost cuz the last didn’t load) please help ‼️
shtirl [24]
1: (pi)5^2 = 78.54 then multiply that by 11 and you get 863.94
2: (pi)13^2= 530.93 then multiply that by 8 and you get 47247.44
3. (pi)18^2= 1017.88 then multiply that by 22 and you get 22393.36
8 0
3 years ago
Which rectangle if reflected over the x-axis and then translated 8 units right will result in rectangle E?
Komok [63]

Answer:

Rectangle D is reflected over the x-axis and then translated 8 units right will result in rectangle E

Step-by-step explanation:

The coordinates of rectangle D are:

(-1, 1)

(-1, 4)

(-3, 1) and

(-3, 4)

The rule of reflection across x-axis is given by:

(x, y) \rightarrow (x , -y)

(-1, 1) \rightarrow (-1 , -1)

(-1, 4) \rightarrow (-1 , -4)

(-3, 1) \rightarrow (-3 , -1)

(-3, 4) \rightarrow (-3 , -4)

Next, translate this 8 unit right which is given by:

(x, y) \rightarrow (x+8 , y)

(-1, -1) \rightarrow (-1+8 , -1) =(7, -1)

(-1, -4) \rightarrow (-1+8 , -4) =(7, -4)

(-3, -1) \rightarrow (-3+8 , -1) =(5, -1)

(-3, -4) \rightarrow (-3+8 , -4) =(5, -4)

⇒(7, -1) , (5, -1) , (5, -4) and (7, -4) represents the coordinate of rectangle E.

Therefore, Rectangle D if reflected over the x-axis and then translated 8 units right will result in rectangle E

5 0
3 years ago
Read 2 more answers
Help please!?!?!<br> Urgent ?!HELP!?
shtirl [24]

Answer:

key is 18

exit tag is 15

lock is 14

key*tag*lock = 3780

Step-by-step explanation:

54/3 is 18 so each key is 18

48-key = 30 so each tag is 15 since 15+15 = 30

18*15*14=3780

6 0
3 years ago
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