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Andreas93 [3]
3 years ago
13

Hall and Mindy are playing a guessing game. Hall tells Mindy: ""The difference between 17 and the square root of my mystery numb

er is 5"". What are two possible numbers that Hall could be thinking of?
Mathematics
1 answer:
cestrela7 [59]3 years ago
5 0

Answer:

The possible number that Hall could be thinking of is 144.

Step-by-step explanation:

Difference between 17 and the square root of my mystery number

This is represented by:

17 - \sqrt{x}

is 5

Then:

17 - \sqrt{x} = 5

What are two possible numbers that Hall could be thinking of?

We have to solve the equation, for x. So

17 - \sqrt{x} = 5

\sqrt{x} = 12

(\sqrt{x})^2 = (12)^2

x = 144

The possible number that Hall could be thinking of is 144.

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A shirt was originally priced at $55. The store is having a 35% off sale. How much will you pay for the shirt after the discount
olga_2 [115]

Answer:

$35,75

Step-by-step explanation:

55 . 35 / 100 = 19,25

55 - 19,25 = 35,75

3 0
2 years ago
In a classroom, the ratio of boys to girls is 2 to 1. what is the number of boys and girls in the classroom?
Angelina_Jolie [31]
The answer is 2:1 or 2/1 but it's 2:1
7 0
3 years ago
wyatt has a square garden. he adds 3 feet to one side and 1 foot to the other and now it is a rectangle with an area of ft^2 wha
amid [387]

Answer:

The new dimensions are 6 ft and 4 ft.

Step-by-step explanation:

Let x = side of original square.

The sides are increased by 3 ft and 1 ft, so the new side lengths of the rectangle are

x + 3 and x + 1

The area of the rectangle is length × width.

area = (x + 3)(x + 1)

area = x² + 4x + 3

The area is 24 ft².

x² + 4x + 3 = 24

x² + 4x - 21 = 0

(x + 7)(x - 3) = 0

x + 7 = 0 or x - 3 = 0

x = -7 or x = 3

x + 3 = 3 + 3 = 6

x + 1 = 3 + 1 = 4

The new dimensions are 6 ft and 4 ft.

5 0
2 years ago
The temperature in a room is 60°F .A heater is turned on and the heater temperature rises up by 2°F every hour right in equation
olganol [36]

Answer:

y=2x+60

Step-by-step explanation:

Since the starting temperature is 60 degrees, that will be the y intercept. the temperature rises by 2 degrees every one hour, so the slope is 2. y=2x+60.

6 0
3 years ago
Anyone knows what’s is the answer for 5 ?
Andreas93 [3]

Answer:

f(x) = |x - 4| + 3


Step-by-step explanation:

Identify (from the graph) the coordinates of the vertex:  (4, 3).  That +4 tells us that the vertex of the basic function y = |x| has been translated 4 units to the right; that +3 tells us that the vertex has also been translated 3 units up.  Consider y = |x-a| + b.  Here, b = +3 and a=+4.  Thus, the correct function is f(x) = |x - 4| + 3.


7 0
2 years ago
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