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GaryK [48]
4 years ago
11

What's 30 minutes after 7:30 PM

Mathematics
2 answers:
QveST [7]4 years ago
7 0
30 minutes after 7:30 would be 8:00 PM
Aleks04 [339]4 years ago
7 0
8:00 PM 
is 30 minutes after 7:30 PM
You might be interested in
A baseball is hit 3 feet above the ground at 80 feet per second and at an angle of with respect to the ground. Find the maximum
Ganezh [65]

Answer:

53

Step-by-step explanation:

i used an angle of 45 degrees.

Distance from ground = 3feets

Angle = 45⁰

U is the initial velocity = 80ft/sec

g = 32

The question wants us to vfind maximum height

We have

r(t) = (80cos45⁰)ti + [3 + 80sin45⁰]t - 0.5(32)t²

We know cos 45 is also sin45 = 1/√2

r(t) = (40√2)ti + [3+40√2]t - 16t²

When we differentiate with respect to t:

r'(t) = (40√2)i + (40√2 - 32t)

= 40√2 =32t

t = 40√2/32

t= 20√2/16

We put the value of t into (3 + 40√2)t -16t²

When we substitute and simplify this we have

3 + 56.57 + 1.77 -16 +8

= 53.34

Which is approximately 53.

8 0
3 years ago
1. What is the value of H? (1 point)<br><br>A. 4<br>B. 8√3<br>C. 16<br>D. 8√2​
user100 [1]

Answer:

D

Step-by-step explanation:

Using the sine ratio in the right triangle

noting that sin45° = \frac{1}{\sqrt{2} } ← exact value

sin45° = \frac{opposite}{hypotenuse} = \frac{8}{h}

Multiply both sides by h, then

h ×\frac{1}{\sqrt{2} } = 8

Multiply both sides by \sqrt{2}

h = 8\sqrt{2} → D

6 0
4 years ago
What is an equation in slope-intercept form for the line that passes through the points (1 -3) and (3 1)
Bas_tet [7]
Answer:
y = 2x - 5

Explanation:

Slope-intercept form formula:
y = mx + b
For this formula we need the slope to find the slope use the slope formula:
\frac{y_{2} - y}{x_{2} - x}
Plug in the two points (1,-3) and (3,1)
\frac{1 - - 3}{3 - 1}
\frac{4}{2}
=2
the slope is 2

Now use the slope-interpect formula and plug in the slope (m)
y = 2x + b
plug in one point I'll use (3,1)
1 = 2(3) + b
1 = 6 +b
1-6=6-6+b
-5 = b

The equation would be:
y = 2x - 5
4 0
3 years ago
Asking easy questions so people can get points / will mark as brainliest (answer must be right)
baherus [9]
The answer to your question is 45 ✌️
8 0
3 years ago
Round 637.892 to whole number
Stels [109]

Answer:

638

Step-by-step explanation:

its 638, not 639 because its above 638.5

4 0
3 years ago
Read 2 more answers
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