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Sveta_85 [38]
3 years ago
14

Liam earns $12 for each hour of dog walking. How many hours in all will it take Liam to

Mathematics
2 answers:
Snowcat [4.5K]3 years ago
8 0

Answer: 4 hours

Step-by-step explanation     you have to divide 48 and 12

48÷12=4

so he walked the dog for 4 hours

qaws [65]3 years ago
8 0
4 hours is the answer
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Which equation represents a proportional relationship between the x and y values?
Airida [17]

Answer:

D) y=-2x

Step-by-step explanation:

A linear relationship is of the form y=mx+b, where, m is the slope and b is the y-intercept (constant).

For a proportional relationship, the value of b=0 and thus it is of the form y=mx

Let us check each option and express it in the form above.

Option A:

y=2

This can be written as y=0x+2. So, b\ne 0.

Since, b \ne 0, therefore, it is not a proportional relationship.

Option B:

y=14x+1

Here, b=1. So, b\ne 0.

Since, b \ne 0, therefore, it is not a proportional relationship.  

Option C:

y=x-4

Here, b=-4. So, b\ne 0.

Since, b \ne 0, therefore, it is not a proportional relationship.  

Option D:

y=-2x

This can be rewritten as y=-2x+0

There is no y-intercept on this. So, b=0

Since,b = 0, therefore, it is a proportional relationship.

Therefore, the correct option is D.

8 0
3 years ago
Read 2 more answers
The lines given by the equations y=4x and y=0.25x are
d1i1m1o1n [39]

They are not parallel because the slopes are different (slope of 4 and slope of 0.25)

Neither are they perpendicular. If they were then m1*m2  ( the product of their slopes) would be -1 ). The product of these slopes = 4*0.25 = 1)

So choice  A is the correct one.


6 0
3 years ago
Find the total cost of a spa treatment of $42 including 6% sales tax and 20% tip
Naily [24]
Cost of the spa treatment = $42
Percentage of sales tax = 6%
Percentage of tips = 20%
Normally the tips amount is calculated before adding sales tax.
Then
Amount of tips given = (20/100) * 42
                                  = (1/5) * 42
                                  = 8.40 dollars
Amount of sales tax taken = (6/100) * 42
                                           = 252/100
                                           = 2.52 dollars
Then 
The total amount spent for spa treatment = (42 + 8.40 + 2.52) dollars
                                                                   = 52.92 dollars
So we can see that $52.92 has been spent in total for spa treatment and this amount includes a sales tax of $2.52 and a tip of $8.40.
7 0
3 years ago
Select the correct answer.
Musya8 [376]

Answer:

Before Tim ate any of the jellybeans, here are numbers: 

pineapple or p  =10

raspberry or  r = 10

orange or o = 10

 

Tim has eaten 6 orange and 4 pineapple jellybeans. Hence, what's left are: 

 p = 10-4 =6

o = 10-6 =4

r = 10 so now total jelly beans are 20

So the probability of getting a raspberry is: 

p(r) = number of r/total

10/20 or 50%

6 0
3 years ago
Solve for x 14 x square+7x-6
irina [24]

Answer:

x=0.450765 or x=−0.950765

Step-by-step explanation:

14x² + 7x - 6

→ Find the product, sum and factors

Product = -6

Sum = 7

Factors = No factors

→ Since there are no factors utilise the quadratic formula

\frac{-b+-\sqrt{b^{2}-4ac } }{2a}

→ List the values of a, b and c

a = 14

b = 7

c= -6

→ Substitute into the formula

\frac{-7+-\sqrt{7^{2}-4*14*-6} }{2*14}

→ Simplify

x=0.450765 or x=−0.950765

8 0
3 years ago
Read 2 more answers
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