3 years ago

Translate the sentence: Twice x is 5 to an equation

Mathematics

1 answer:

AveGali [126]3 years ago

6 0

5x. hope that helped

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What is x if x+85=x+105

vaieri [72.5K]

Answer:x+85=x+105

x+x=105+85

2x=190

x=190/2

x=95

Step-by-step explanation:

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3 years ago

How many different four-person relay teams can be chosen from eight students

aliina [53]

Slot method

8 optionns n 1st slot
7 options in 2nd slot (since 1 is at 1st slot)
6 options in 3rd slot
5 options in 4th slot

8*7*6*5=1680 ways

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3 years ago

Approximately what percentage of iq scores falls between 70 and 130?

ohaa [14]

About 95% of scores fall in this range

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2 years ago

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.

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2 years ago

How to solve this equation (-14+3/2b)-(1+2/8b) step by step<br> please thank you

zepelin [54]

-14+3/2b-(1+2/8b), then take out the blanket become -14+3/2b-1-2/8b , get 5/4b-15=0 so 5/4b=15 ,get b=15×4÷5. b=12

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3 years ago