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2 years ago

In the last basketball game, Elena scored 2 more than one fourth of her

Mathematics

2 answers:

pentagon [3]2 years ago

8 0

Answer:
Total 12 points

Explanation:
E=1/4n+2 so 1/4 of 40 is 10, add the 2, total 12 points.

Yakvenalex [24]2 years ago

5 0

E=1/4n+2
1/4 of 40 is 10, plus the 2, with a total of 12 points

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when a stone falls freely, the time taken to hit the ground varies as the square root of the distance fallen. If it takes four s

Eva8 [605]

Answer:

The stone would take approximately 10.107 seconds to fall 500 meters.

Step-by-step explanation:

According to the statement of the problem, the following relationship of direct proportionality is built:

$t \propto y^{1/2}$

$t = k\cdot t^{1/2}$

Where:

$t$ - Time spent by the stone, measured in seconds.

$y$ - Height change experimented by the stone, measured in meters.

$k$ - Proportionality constant, measured in $\frac{s}{m^{1/2}}$ .

First, the proportionality constant is determined by clearing the respective variable and replacing all known variables:

$k = \frac{t}{y^{1/2}}$

If $t = 4\,s$ and $y=78.4\,m$ , then:

$k = \frac{4\,s}{(78.4\,m)^{1/2}}$

$k \approx 0.452\,\frac{s}{m^{1/2}}$

Then, the expression is $t = 0.452\cdot y^{1/2}$ . Finally, if $y = 500\,m$ , then the time is:

$t = 0.452\cdot (500\,m)^{1/2}$

$t \approx 10.107\,s$

The stone would take approximately 10.107 seconds to fall 500 meters.

4 0

3 years ago

Consider the line (d) with equation y = –2x+6

PolarNik [594]

Answer:

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Step-by-step explanation:

3 0

3 years ago

Select the values that make the inequality h < 2 true.

weqwewe [10]

Given:

The inequality is:

$h\leq 2$

To find:

The values that make the given inequality true.

Solution:

We have,

$h\leq 2$

It means the value of h must be less than or equal to 2.

In the given options, the list of numbers which are less than or equal to 2 is

-6, -3, -1, 1, 1.9, 1.99, 1.999, 2

The list of numbers which are greater than 2 is

2.001, 2.01, 2.1, 3, 5, 7, 10

Therefore, the first 8 options are correct and the required values are -6, -3, -1, 1, 1.9, 1.99, 1.999, 2.

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3 years ago

Measure the length of this segment in inches.

sergiy2304 [10]

Answer:

3 $\frac{3}{4}$ inches

8 0

1 year ago

Simplify: (5 + i)(5 − i) <br> A) −12 <br> B) 24i <br> C) 26 <br> D) 8i

Fofino [41]

Answer:

C) 26

Simplify using the FOIL method--used to multiply binomials--and then combine real and imaginary parts of the problem.

5 × 5 = 25 + positive 1(i) = 26

5 0

2 years ago

Read 2 more answers