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Vlad1618 [11]
3 years ago
12

seth earns 7 per hour working at a library Write and solve the inequality that can be used to find how many hours he must work i

n a week to earn at least 175
Mathematics
1 answer:
densk [106]3 years ago
5 0

Answer:

7x\geq 175

x\geq25\ hour

Seth must work more than 25 hours per week

Step-by-step explanation:

Let's call x the number of hours Seth works.

Then we know that Seth earns $ 7 for every hour. Then in x hours Seth wins:

7x

To earn more than 175 then we must ensure that:

7x\geq 175

Now we solve the inequality for the variable x.

Divide both sides of the inequality by 7

\frac{7}{7}x\geq \frac{175}{7}

x\geq25\ hour

Seth must work more than 25 hours per week

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For the equation Y= 2(x+4)-3 what ordered pair what are used to start a graphing PLEASEEEE HELP
Anton [14]

Answer:

(4,-3)

Step-by-step explanation:

6 0
3 years ago
HELP QUICK THIS IS DUE IN FIVE MINUTES!!!!!
Komok [63]
2 x (5-2)^3
2 x (3)^3
2 x 27
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8 0
2 years ago
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together,sarah's two cats have the same mass as her dog,11 kg.the mass of one cat is 1500 g greater than the mass of the other.
Alika [10]
Let (a) be the first cat
let (b) be the second cat
a +b=11kg-----(1)
a=b+1500g⇒(1.5 kg)-------(2)
so now u have a system of two unknowns
a=11-b
substitute a in (2)
11-b=b+1.5
11-1.5=2b
2b=9.5
b=9.5/2=4.75
subs. b in (1)
a+b=11
a+4.75=11
a=11-4.75=6.25
so cat (a) is 6.25 kg
and (b) is 4.75 kg
hope I helped



6 0
2 years ago
Which points lie on the line whose equation is 8x - 2y + 7 = -9? Select all that apply.
Anestetic [448]

Answer:

A.(-2, 0)

C. (-1.4)

Step-by-step explanation:

we know that

If a point lie on the line, then the point must satisfy the equation of the line (makes the equation true)

we have

8x-2y+7=-9

subtract 7 both sides

8x-2y=-9-7

8x-2y=-16

divide by 2 both sides

4x-y=-8

Substitute the value of x and the value of y of each point in the linear equation and analyze the result

<u><em>Verify each point</em></u>

case A) we have

(-2, 0)

For x=-2, y=0

substitute

4(-2)-(0)=-8

-8=-8 ---> is true

so

the point lie on the line

case B) we have

(1, 3)

For x=1, y=3

substitute

4(1)-(3)=-8

1=-8 ---> is not true

so

the point not lie on the line

case C) we have

(-1, 4)

For x=-1, y=4

substitute

4(-1)-(4)=-8

-8=-8 ---> is true

so

the point lie on the line

case D) we have

(1, -4)

For x=1, y=-4

substitute

4(1)-(-4)=-8

8=-8 ---> is not true

so

the point not lie on the line

case E) we have

(0, -1)

For x=0, y=-1

substitute

4(0)-(-1)=-8

1=-8 ---> is not true

so

the point not lie on the line

7 0
3 years ago
How do i put 250 to 1000 as a fraction in its simplest form
shusha [124]
Divide 250 from 250 and 1000 to get 1/4.
4 0
3 years ago
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