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Blababa [14]
3 years ago
10

Identify the factors of the terms of the expression 5+6a+11b

Mathematics
1 answer:
emmainna [20.7K]3 years ago
3 0
Letters used to represent values or unknown quantities that can change or vary. One example of an algebraic expression is 3x – 4. Notice the variable,
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2. What percent of cal Rs 80 is Rs 20 ? ​
SpyIntel [72]

Answer:

Hope this is helpful to you

7 0
2 years ago
A radio disc jockey has 8 songs on this upcoming hour's playlist: 3 are rock songs, 3 are reggae songs, and 2 are country songs.
sashaice [31]

Answer:

The answer is 9/64. Also #djgirlpower

Step-by-step explanation:

9/64 is the equivalent of 3/8 • 3/8, which is the probability of the dj picking a reggae song once, and then again. That is most likely the case, except if the song that is played is removed from the collection of not-yet-played songs. Otherwise, I’m pretty sure if that’s the case, it would be 3/8 •2/7. Hope this helped :)

5 0
3 years ago
What is the area of this triangle?
Naddika [18.5K]

Answer:

Area of the given triangle = 6.51 ft²

Step-by-step explanation:

If we redraw the triangle as shown in the figure attached we get the height of the triangle as x feet and base = 4.3 feet

Therefore area of ΔABC = (1/2) × Height (AD) × Base(BC)

From ΔABD

sin 53 = AD/AB = x/3.8

x = 3.8 × sin 53

= 3.8 × 0.7986 = 3.03 feet

Now area of ΔABC = (1/2)×3.03×4.3 = 6.51 feet²

5 0
3 years ago
A person standing close to the edge on the top of a 400-ft building drops a baseball. The quadratic function h left parenthesis
swat32

Answer:

h(0)=400

The above function value for h(0) shows that height of the ball before it was dropped i.e. at time = 0 seconds.

The height of the ball above the ground before it was dropped = 400 ft.

Step-by-step explanation:

Given:

The quadratic function that models the height of the baseball above the ground in feet , t seconds after it was dropped is given as:

h(t)=-16t^2+400

To find h(0) and interpret the meaning of the function value in contect of the problem.

Solution:

In order to find h(0), we will replace t=0 in the given function as h(t) is a function of time t.

Thus, we have:

h(0)=-16(0)^2+400

h(0)=16(0)+400

h(0)=0+400

h(0)=400  (Answer)

The above function value for h(0) shows that height of the ball before it was dropped i.e. at time = 0 seconds.

The height of the ball above the ground before it was dropped = 400 ft.

3 0
3 years ago
There are 15 risers in a set of stairs running from the basement to the first floor. Each riser is 7 1/4" high. What is the dist
slava [35]
<h3>Answer: 108.75 inches or 9.0625 ft</h3>

This is equivalent to 9 ft + 0.75 of an inch, or 9 ft + 3/4 of an inch

==========================================================

Work Shown:

7 & 1/4 = 7.25

Each riser is 7.25 inches tall

15 of them gives a total height of 15*7.25 = 108.75 inches

Divide that by 12 to convert to feet

108.75/12 = 9.0625 feet

9.0625 ft = 9 ft + 0.0625 ft

9.0625 ft = 9 ft + (0.0625 ft)*(12 inches/1 ft)

9.0625 ft = 9 ft + 0.75 inches

9.0625 ft = 9 ft + 3/4 of an inch

3 0
3 years ago
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