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3 years ago

ASAP HELP HELP AND HOW DID YOU GET THE ANSWER

Mathematics

1 answer:

Llana [10]3 years ago

6 0

Answer:

Step-by-step explanation:

A straight line equals to 180 degrees. The example shown is a linear pair!

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A visitor is staying in a cabin that is 3 miles west of the closest point on a shoreline to a coral reef. The coral reef is 2 mi

charle [14.2K]

Answer:

3.6miles

Step-by-step explanation:

Given:

distance of tent from the closest point on shore-line, d=3miles.

distance between shoreline point and coral reef, x=2miles

The shortest distance (say l) that the visitor runs towards the reef in order to swim a minimum distance which takes least time.

$\therefore l^2=d^2+x^2\\l=\sqrt{3^2+3^2} \\l=3.6\ miles$

Now on reaching at the shore at this point the visitor will have to swim the least distance due east to reach coral reef.

7 0

4 years ago

Which number(s) below belong to the solution set of the inequality Check all that apply. x + 30 < 60 a.50 b.45 c.300 d.1 e.29

Igoryamba

Answer:

e.29 d.1

Step-by-step explanation:

x+30<60 :

we will replace with the values we have :

300 that's a big number . Obviously it isn't a solution
50 : 30+50 = 80>60 so no
45: 30+45= 75 >60 so no
30+30 = 60 we have < not ≤ so no
1 yes . it's obvious
29 +30 = 59<60 so yes !

6 0

4 years ago

Help! Hurry! NO SPAM!!!! I will mark brainliest if you get it correct, and show your work. Identify the equation for the circle

kotegsom [21]

First we compute the distance between the center and the given point which is exactly the radius

r =

$\sqrt{(x2 - x1) + (y2 - y1)} = \sqrt{9 - 3 + 11 - 7} = \sqrt{10}$

Now that we know the center and the radius, we can write the equation of a circle with given radius and center:

${(x - h)}^{2} + {(y - k)}^{2} = {r}^{2}$

where (h,k) represent the coordinates of the center (3,7).

We substitute and obtain

${(x - 3)}^{2} + {(y - 7)}^{2} = { \sqrt{10} }^{2} \\ {(x - 3)}^{2} + {(y - 7)}^{2} = 10 \\ {x}^{2} - 6x + 9 + {y}^{2} - 14y + 49 = 10 \\ {x}^{2} + {y}^{2} - 6x - 14y + 48 = 0$

4 0

3 years ago

In the function f(x) = 4(x2 âˆ’ 6x ) 20, what number belongs in the blank to complete the square?

vitfil [10]

The number to be added to the blank should be 9.

According to the statement

we have to find the number which is missing from the given expression.

So, For this purpose, We know that the

Expression in math is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The given function is f(x) = 4(x² − 6x + ____) + 20. To complete the expression, complete the square of the one inside the parentheses. This is done by dividing the coefficient of x with 2 and then raising it to two.

-6/2 = -3

(-3)² = 9

Therefore, the number to be added to the blank should be 9.

Learn more about Expression here

brainly.com/question/723406

Disclaimer: This question was incomplete. Please find the full content below.

Question:

In the function f(x) = 4(x^2 − 6x + ____) + 20, what number belongs in the blank to complete the square?

#SPJ4

7 0

2 years ago

How to solve please help thank you

Rashid [163]

her new balance is $105.

hope this helps.

7 0

3 years ago

Read 2 more answers