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Liula [17]
3 years ago
5

The sum of two numbers is 15.

Mathematics
2 answers:
Blizzard [7]3 years ago
3 0

Answer:

7

Step-by-step explanation:

15-8=7 this is how you answer it

Nataliya [291]3 years ago
3 0

Answer:

11.5 and 3.5

Step-by-step explanation:

a+b=15

a-b=8

equating them we get,

2a=23

a=11.5

placing value of b in a-b=8

11.5-b=8

b=3.5

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A large cheese pizza costs $7.50. Each additional topping for the pizza costs $1.35. If the total bill for the pizza Sally order
konstantin123 [22]

Answer: She ordered 4 toppings.

Step-by-step explanation:

Given: Total cost of pizza  = $ 12.90

Cost of pizza =$7.50

Price per topping = $1.35

Let x = Number of toppings,

Total cost of pizza = (Cost of pizza) + (price per topping) × (Number of topping)  

12.90= 7.50+1.35x\\\\\Rightarrow\ 1.35x=12.90-7.50\\\\\Rightarrow\ 1.35x=5.4\\\\\Rightarrow\ x=\dfrac{5.4}{1.35}\\\\\Rightarrow\ x=\dfrac{540}{135}=4

hence, she ordered 4 toppings.

5 0
2 years ago
Simplify. 54+4(3/4−1/2)2
Effectus [21]

Answer:

56

Step-by-step explanation:

54 + 4(3/4 − 1/2)2

=> 54 + 4(1/4)2

=> 54 + (1)2

=> 54 + 2

=> 56

Therefore, 56 is our answer.

Hoped this helped.

7 0
3 years ago
Help ASAP!!!!!!!!!..........
Semenov [28]

Answer:

14x

Step-by-step explanation:

please mark this answer as the brainlest

6 0
3 years ago
Read 2 more answers
T-6=8-t<br><br>how do solve? pls include steps
umka2103 [35]
First, add t to each side:
2t - 6 = 8
Add 6 to each side:
2t = 14
Divide both sides by 2:
t = 7

Hope this helps!! :)
8 0
3 years ago
I need help with this
Ede4ka [16]
I Can't See The Problem All The Way
4 0
3 years ago
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