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Dafna1 [17]
3 years ago
10

16) The area of the United States is 3,794,100 square miles. Which is the best estimation of this area? A) 3 x 106 B) 3 x 107 C)

4 x 106 D) 4 x 107
Mathematics
1 answer:
Darina [25.2K]3 years ago
5 0
The best and most correct answer among the choices provided by the question is the third choice. The estimation of the area in scientific notation is 4 x 10^6 square miles. I hope my answer has come to your help. God bless and have a nice day ahead!
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alexandr1967 [171]

40,000 Dog owners :3


7 0
3 years ago
Sloane kicked a soccer ball at a speed of 56 feet per second. If the ball never leaves the ground, then it can be represented by
aksik [14]

Answer:

Third option: t=3.5\ seconds

Step-by-step explanation:

Given the function:

 H(t)=-16t^2 +56t

 Since the ball never leaves the ground, you need to  substitute H(t)= 0 in the function in order to determine the time the soccer ball traveled:

0=-16t^2 +56t

Factorizing, you get:

0=-8t(2t-7)

Then:

0=-8t\\\\t=0\ seconds\\\\\\\\0=2t-7\\\\7=2t\\\\t=3.5\ seconds

Therefore the time the ball traveled was:

t=3.5\ seconds

3 0
3 years ago
For what values of m does the graph of y = 3x^2+ 7x + m have two x-intercepts?
qaws [65]

Answer:

m < 49/12

Step-by-step explanation:

The portion of the quadratic formula under the square root sign is the discriminant.

If the discriminant is > 0 then there are two real roots.

b² -4ac > 0

-----------------------------

7² - 4(3)m > 0

49 - 12m > 0

Subtract 49 from both sides

-12m > -49

Divide both sides by -12

(when multiplying or dividing by a negative the inequality must be reversed)

m < 49/12

8 0
3 years ago
Suppose M is the midpoint of FG. Find the missing measure.
Arlecino [84]

A midpoint divides a line segment into equal halves.

The value of x is 3.4

Given that:

FG = 11x - 15.6

MG = 10.9

Since M is the midpoint, then:

FG = 2 \times MG

So, we have:

11x - 15.6 =2 \times 10.9

11x - 15.6 =21.8

Collect like terms

11x =15.6 +21.8

11x =37.4

Solve for x

x =3.4

<em>Hence, the value of x is 3.4</em>

Read more about midpoints at:

brainly.com/question/2441957

7 0
3 years ago
A grocery store sells a bag 7 oranges for $2.66. if alexandra spent $3.42 on oranges how many did she buy
Murljashka [212]

Answer:

9 oranges

Step-by-step explanation:

7 for 2.66 is 38c for 1

7 0
3 years ago
Read 2 more answers
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