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Vinvika [58]
3 years ago
5

can someone pls help me with solving one variable expressions pls show your work too so i can understand thanks

Mathematics
1 answer:
emmasim [6.3K]3 years ago
7 0

Step-by-step explanation:

Basically, let's represent the amount of money earned in

July with x

and

August with x+90

x+(x+90)=350

2x+90=350

2x=350-90

2x=260

x=260÷2

x=130

So, Wanda earned $130 babysitting in July and in July, 130+90=$220.

<em>Hope this helps!</em>

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Um there's no way for me to tell because you don't have the information
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3 years ago
2. The volume of both of these trapezoidal prisms is 24 cubic units. Their
Valentin [98]

Answer:

area of a trapezoidal base  of each prism with heights  6 and 8 units are 4 square units and 3 square units respectively

Step-by-step explanation:

Let us first be aware of formula of volume for any regular geometrical figure.

Fundamental formula for  volume for any regular geometrical figure is.

volume = area of cross section of object*  height of object (A)

In the problem stated area of cross section of object will be  area of a trapezoidal base.

Given in the question is

Volume of both the trapezoidal prisms = 24 cubic units

*************************************************************************************

For prism with height 6 unit

Substituting the value of height and volume in formula for trapezoidal prisms

24 = 6 * area of a trapezoidal base

=> area of a trapezoidal base = 24/6 = 4 square units

*************************************************************************************

For prism with height 8 unit

Substituting the value of height and volume in formula for trapezoidal prisms

24 = 8 * area of a trapezoidal base

=> area of a trapezoidal base = 24/8 = 3 square units

*************************************************************************************

Therefore area of a trapezoidal base  of each prism with heights  6 and 8 units are 4 square units and 3 square units respectively.

4 0
3 years ago
A number is divided by 3. That quotient is increased by 12. The result is 46. Find the number.
anzhelika [568]

Let the number be x.

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x = 102

3 0
4 years ago
Craig just finished reading 120 pages of his history assignment if the assignment is 125 Pages what percent has Craig read so fa
diamong [38]
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Translate; a number x is greater than -8 and less than or equal to 4
vazorg [7]
I think this would be 4≥X<span>>-8


</span>
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3 years ago
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