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snow_tiger [21]
3 years ago
8

I need help please! Ashton estimates the square root of 72 in the following way: square root 72 = 2square root 36 = 2 times 6 =

12 (a) explain why his reasoning is incorrect. (B) estimate the square root of 72 to the nearest tenth without using your calculator
Mathematics
1 answer:
timofeeve [1]3 years ago
5 0

Answer:

B. Estimate the square root of 72 to the nearest tenth without using your calculator

Step-by-step explanation:

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Solve the folllowing quadratic equation by using the square root property.(2x-3)^2=100
Pani-rosa [81]
To solve:
find the square root of both sides

2x-3=±10

Answers:
x=-7/2
x=13/2
3 0
3 years ago
11. Four less than a number tripled is the same number increased by ten.<br> What is the number?
Sphinxa [80]

Answer:

7

Step-by-step explanation:

first, we would set up an equation. let 3x-4 represent "four less than a number tripled". "a number" would be represented by x. let x+10 represent "the same number increased by 10".

set 3x-4 and x+10 equal to each other:

3x-4=x+10

next, we would solve this equation for x. first we would get the x together on one side of the equation. we would do this by subtracting x from both sides to remove it from the right side of the equation:

2x-4=10

then, we would get the 2x by itself. we would do this by adding 4 to both sides:

2x=14

finally, we would divide each side of the equation by 2 to find x:

x=7.

The number is 7.

8 0
2 years ago
Which inequality represents the graph below s 75
telo118 [61]

Answer:

Top Left

Step-by-step explanation:

Shaded circle means it will be Greater than or equal to or Less then or equal to. The answwers are less that or equal to 75 so s is less than or equal to 75

5 0
3 years ago
Read 2 more answers
At a concession stand five hotdogs and two hamburgers cost 8.00 two hotdogs and five hamburgers cost 9.50 find the cost of one h
Svetach [21]
Think of this situation as a system of equations.

let y be the price of hotdogs
let x be the price of hamburgers

5y + 2x = 8
2y + 5x = 9.50

now use your solution method of choice
substitution, elimination, matrices, etc
6 0
3 years ago
Can someone help me with this please
Arisa [49]
I’ve attached my work...
Hope it helps!
Math-way app for problems like number 2
Have a nice day:)

6 0
3 years ago
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