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nirvana33 [79]
3 years ago
8

How do you solve this: Чx - 15 : 7х + 21

Mathematics
1 answer:
forsale [732]3 years ago
3 0

Answer:

you can't solve this because it's not an equation

Step-by-step explanation:

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Speed test cost $5 each and large one-topping pizzas cost $6 each write an equation that represents the total cost t of c large
yKpoI14uk [10]

<u>Answer:</u>

Equation t = 5c + 6d represents total cost t of c large pizzas and d large one-topping pizzas

<u>Solution:</u>

Given that

Cost of large pizza = $5 each

Cost of large one-topping pizza = $6 each

Need to write the equation that represents total cost t of c large pizzas and d large one topping pizzas.

From given information

Cost of 1 large pizza = 5

So cost of c large pizzas   = c x 5 = 5c

Cost of 1 large one-topping pizza = 6

So cost of d large one-topping pizzas   =d x 6 = 6d

<em>Total cost t = cost of c large pizzas + cost of d large one-topping pizzas    </em>

=> t = 5c + 6d

Hence equation t = 5c + 6d  represents total cost t of c large pizzas and d large one-topping pizzas.    

3 0
3 years ago
Kimberly wants to buy a chandelier. The original price is $80. How much will Kimberly pay if she buys it during the sale?
dsp73
How much is the sale?
8 0
3 years ago
This question is called "Create equations to solve for missing angles".
Anastasy [175]

Answer:

D

Step-by-step explanation:

both angles have 2 straight lines that intersect in the middle, this is called vertical angles which means, according to the law, that each angle is equal to the other so 10x + 10 = 110. Therefore the answer is D

4 0
3 years ago
Read 2 more answers
- K2 - (2k –5n) + 9n; k= -1 and n= - 3
NNADVOKAT [17]

Answer:

-41

Step-by-step explanation:

Given:

-k^2 -(2k -5n) +9n ; k = -1 \space \text{and} \space n = -3

-(-1)^2 -(2(-1) -5(-3)) +9(-3) \\ -(-1)^2 -(-2+15) +9(-3) \\ -(-1)^2 -(13) +9(-3) \\ -(1) -13 +9(-3) \\ -1 -13 -27 \\ -41

7 0
3 years ago
Read 2 more answers
Please show work!!!!!!!!!!!!
Svetlanka [38]

Answer:

x = 7

Step-by-step explanation:

Notice that in the triangle, the angle is either known or in terms of x. This means we can make an equation: 82 + (9x - 6) + (6x - 1) = 180. Now, add up tthe terms to get 15x + 75 = 180, or 15x = 105 or x = 7.

5 0
4 years ago
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