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timama [110]
3 years ago
12

A) 40 B) 130 C) 90 D) 50

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
3 0

Answer:

m<3 = 90

C

Step-by-step explanation:

This is a kite. The diagonals intersect each other in such a way that m<1 and m<3 are at right angles. m<3 = 90o

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Find 5 rational numbers between 1/3 &amp; 2/5​
Alexeev081 [22]

Answer:

41/120, 7/20, 43/120, 11/30, 3/8

Step-by-step explanation:

Write the numbers.

1/3 & 2/5

We need a common denominator, but not the least common denominator. Both 3 and 5 are factors of 60, so let's use 60 as the common denominator.

Multiply 1/3 by 20/20:

1/3 = 20/60

Multiply 2/5 by 12/12:

2/5 = 24/60

Let's multiply each fraction again, but this time by 2/2.

1/3 = 40/120

2/5 = 48/120

Now it's easy to find 5 numbers between 40 and 48, so we get:

41/120, 42/120, 43/120, 44/120, 45/120

Some of these fractions can be reduced, so our answer is:

41/120, 7/20, 43/120, 11/30, 3/8

3 0
3 years ago
A watermelon is launched from a 25-foot tall platform at a carnival. The watermelon's height h (in feet) at time t seconds can b
Nataly [62]

Answer:

The maximum height of the watermelon is 74 feet.

Step-by-step explanation:

The watermelon reaches its maximum height when its velocity is zero. Mathematically speaking, velocity is the first derivative of the function height, that is:

v(t) = \frac{d}{dt} h(t) (1)

Where v(t) is the velocity, in feet per second.

If we know that h(t) = -16\cdot t^{2}+56\cdot t +25 and v(t) = 0\,\frac{ft}{s}, then the time associated with maximum height is:

v(t) = -32\cdot t +56 (2)

-32\cdot t + 56 = 0

t = 1.75\,s

Now we evaluate the function height at time found in the previous step: (t = 1.75\,s)

h(t) = -16\cdot t^{2}+56\cdot t +25

h(1.75) = 74\,ft

The maximum height of the watermelon is 74 feet.

5 0
2 years ago
A line has a rise of 6 and a slope of 1/20.
natima [27]

Answer:

120

<h2>Trust me it is correct</h2><h2>Good Luck:)</h2>
6 0
2 years ago
What is the slope of the line perpendicular to the y<br> 2 - 9.
yulyashka [42]

Answer:

5

Step-by-step explanation:

perpendicular slopes multiply to -1

lets say m is the missing slope

-1/5*m=-1 so m=5

6 0
3 years ago
can someone help me with this please
steposvetlana [31]

Answer:

7.5

5×1.5=7.5

....................

7 0
3 years ago
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