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Talja [164]
3 years ago
15

Why is it not a system of linear equations?

Mathematics
1 answer:
denis23 [38]3 years ago
8 0
This is only one equation. It is therefore not a system and you can not solve for two different variables y and z unless you have another equation to solve with. It.
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Ellen purchased a dishwasher, which cost $315 before the 9.22% sales tax. She used the machine an average of 10 times per week f
Natasha2012 [34]
Given:
Cost of dishwasher : 315 before sales tax
sales tax : 9.22%

Total cost = 315 * 1.0922 = 344.043

Average of 10 uses per week for the next 6 years before replacing it.
There are 52 weeks in a year.

10 uses per week * 52 weeks per year * 6 years = 3120 average uses

cost for water = 0.09 ; cost for electricity = 0.13 ; total cost per use = 0.22

0.22 * 3120 = 686.40 cost of use

purchase cost =    344.043
cost of use      =    <u>686.40</u>
lifetime cost     1,030.443
5 0
3 years ago
Read 2 more answers
If 5/8=20/p, then value of p is
WINSTONCH [101]

Step-by-step explanation:

5/8=20/p

p=32

.............

7 0
3 years ago
Read 2 more answers
How many one-third cubes are needed to fill the gap in the prism shown below?
attashe74 [19]

Answer:

The answer is 16 I've seen this before so I would know. and your welcome

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Determine if the triangles are congruent. If so, write a congruence statement. Explain your reasoning in a short paragraph proof
ivann1987 [24]

Answer: Yes

Step-by-step explanation:

The Vertical angle would show that 2 of the angles are exactly the same. Its also given 2 lines that are marked as congurent. Since we know that angle and the lines are congruent we can also say that angle IFJ is congruent to angle IHG meaning that they are congruent because of ASA (Angle Side Angle Theorem)

7 0
3 years ago
I’m actually confused.
-BARSIC- [3]
M^2 + n^2

Step 1:
Substitute in the numbers
-5^2 + 3^2

Step 2:
Square both numbers
25 + 9

Step 3:
Add them together

Answer is 34
8 0
3 years ago
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