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lys-0071 [83]
3 years ago
6

The area of the united states is 3,794,100 square miles. which is the best estimation of this area?

Mathematics
2 answers:
klasskru [66]3 years ago
8 0

Answer:

c

Step-by-step explanation:

To estimate, round up to 4,000,000 since 7 is larger than 5. Since we move the decimal 6 times, the correct answer is 4 x 106. _sorry im late_

ludmilkaskok [199]3 years ago
7 0
The answer is B to ur question
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Which is the equation in slope-intercept form for the line that passes through (3, 7)
quester [9]

Answer:

y =  -  \frac{5}{3} x + 12

Step-by-step explanation:

First, rewrite the given equation in the form of y=mx+c.

m is the gradient while c is the y-intercept.

3x-5y=8

5y= 3x -8

y =  \frac{3}{5} x -  \frac{8}{5}

Thus, the gradient of the given equation is ⅗.

The product of the gradients of perpendicular lines is -1.

(gradient of line)(⅗) = -1

gradient of line= -1 ÷⅗

gradient of line= -  \frac{5}{3}

y =  -  \frac{5}{3} x + c

To find the value of c, substitute a coordinate.

When x=3, y=7,

7 =  -  \frac{5}{3} (3) + c

7= -5 +c

c= 7+5

c= 12

Hence, the equation of the line is y =  -  \frac{5}{3} x + 12.

6 0
3 years ago
find the least whole number which must be added to 207 to make it divisible by 17 please no links brainliest​
Nadusha1986 [10]

Answer:

14

Step-by-step explanation:

I am preatty sure its 14 hope this helps

4 0
3 years ago
Choose the correct ordered pair
Mars2501 [29]
Your answer will be A. (8,1)
4 0
3 years ago
Read 2 more answers
The function f(x) = −x2 − 5x + 50 shows the relationship between the vertical distance of a diver from a pool's surface f(x), in
lisabon 2012 [21]

First of all, the root is 5, since


-5^2-5\cdot 5 + 50 = -25-25+50=0


Then, since the x represents the horizontal distance, and f(x) the height, we can read f(5)=0 as "the height is zero when the diver is 5 feet away from the board.


So, the answer is D.

3 0
2 years ago
The sum of two number is 6. Twice the first number added to three times the second number is 10. Write a system of equations and
seropon [69]

Answer:

4 and 2 are the required numbers which satisfies the given equations

Step-by-step explanation:

Let the two numbers be x and y

According to the first condition

their is is 6

which is

x + y =6                ........................(i)

Now according to second condition

twice the first number i.e. 2x added to three time the second number i.e. 3y is 10

in form of equation it could be written as

2x + 3y = 10           ........................(ii)

Now from first equation we have

x + y =6

subtracting y from both sides

x = 6 - y                    .....................(iii)

Now putting this value of x in equation (ii)

equation (ii) is

2x + 3y = 10

Putting the value gives

2(6-y)+3y = 10

opening the brackets

12 - 2y + 3y = 10

12 - y = 10

subtracting 12 from both sides

12 - y -12 = 10 -12

it becomes

- y = -2

multiplying both sides by (-1)

it becomes

(-1)(-y) = (-2) * (-1)

y = 2

Now we got the value of y put it in equation iii which is

x = 6 -y

putting the value

x = 6 - 2

x = 4

So the two numbers are x = 4 and y = 2

3 0
2 years ago
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