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tresset_1 [31]
2 years ago
5

Grogg typed the following $1000$ expressions into his calculator, one by one: \[\sqrt{1}, \sqrt{2}, \sqrt{3}, \sqrt{4}, \dots, \

sqrt{999}, \sqrt{1000}. \]how many times will grogg's result be an integer?
Mathematics
1 answer:
Vanyuwa [196]2 years ago
8 0

Since 30² = 900 and 40² = 1600, between 30 and 40 of the numbers Grogg enters will reduce to integers. Now just find which count is correct. We don't have to look far:

31² = 961

32² = 1024

so there 31 of the outputs of √1, √2, √3, ..., √1000 are integers.

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I have tried and tried I just cant get one thing to be right
Elis [28]
Vertex: (1,-4)
axis of symmetry: x=1
min
minimum value: y=-4
x intercepts: -1, 3
y intercept: -3

i dont know how to find solutions or roots sorry
3 0
3 years ago
65 traffic cones we’re equally spaced over 5/8 of a mile how many traffic cones are used per mile
Paha777 [63]

Given:

65 traffic cones we’re equally spaced over \dfrac{5}{8} of a mile.

To find:

The number of traffic cones are used per mile.

Solution:

We have,

Number of cones used in \dfrac{5}{8} of a mile = 65

Number of cones used for a mile = 65\times \dfrac{8}{5}

                                                       = 13\times 8

                                                       = 104

Therefore, 104 traffic cones are used per mile.

8 0
3 years ago
Not to great at angles! Someone help plz
sasho [114]

Answer:

6) A

7) A

8) I can't see which angle is A

9) 70

10)45

Step-by-step explanation:

8 0
3 years ago
Could someone answer this and explain to me how to find the slope
77julia77 [94]

You can use the slope formula to figure this out, or you can just use common sense.
m(slope)=y2 - y1 / x2 - x1
Two points of the line are (3,1) (5,-3)
(-3 - 1) / (5-3) = -4 / 2 = - 2
Or you can just do rise over run (slope).
The line goes right 1 (run) and down 2 (rise)
Down 2 = -2
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-2 is your answer.





















4 0
3 years ago
Billy's Bagels sells bagels and sandwiches. The profit on every bagel is $2 and the profit on every sandwich is $3. Billy made a
velikii [3]

Answer:

a. 2x + 3y = 1560

b. y = -2x/3 + 520

c. f(x) = -2x/3 + 520

Step-by-step explanation:

a. We are told that the profit on each Bagel is $2 for x bagels and $3 for each sandwich is $3

for a total of y sandwiches

So we have;

2x + 3y = 1560

b. Slope intercept form is generally

y = mx + b

So we have

3y = -2x + 1560

y = -2x/3 + 520

c. In function notation;

f(x) = -2x/3 + 520

6 0
3 years ago
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