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Svetradugi [14.3K]
3 years ago
7

Simplify expression- 9a-4(2a+5)

Mathematics
1 answer:
likoan [24]3 years ago
5 0
Apply the distributive property.
9
a
−
4
(
2
a
)
−
4
⋅
5
9
a
-
4
(
2
a
)
-
4
⋅
5
Multiply
2
2
by
−
4
-
4
.
9
a
−
8
a
−
4
⋅
5
9
a
-
8
a
-
4
⋅
5
Multiply
−
4
-
4
by
5
5
.
9
a
−
8
a
−
20
Subtract
8
a
8
a
from
9
a
9
a
.

a-20
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neonofarm [45]

Answer: D

Step by step explanation not needed

3 0
3 years ago
Which interval for the graphed function has a local
Alex

Answer:

Interval for the function has local minimum of 0 is [2,4].

Step-by-step explanation:

You need to find the local minimum of 0 in the given function's graph.

In mathematics, local minimum is a point on a graph whose value is less than all other points near it.

See that, graph value 0 is lie on the x = 3 and in interval x = 2 to x = 4

So, final answer is :

Interval for the function has local minimum of 0 is [2,4].That's the final answer.

hope it helps

5 0
3 years ago
Two birds sit at the top of two different trees. The distance between the first bed and a birdwatcher on the ground is 34 feet t
stira [4]

Answer:

Step-by-step explanation:

The given triangle is a right angle triangle.

The distance between the first bed and the bird watcher on the ground represents the opposite side of the right angle triangle.

The distance between the birdwatcher and the second bird is 47 feet. This represents the hypotenuse of the right angle triangle. To determine the angle of depression, x degrees, we would apply the Sine trigonometric ratio which is expressed as

Sin θ = opposite side/hypotenuse

Sin x = 34/47 = 0.723

x = Sin^-1(0.723)

x = 46.3 degrees to the nearest tenth.

5 0
3 years ago
Read 2 more answers
Can someone help me solve this?
Alex_Xolod [135]
The answer is C. Hope this helps
7 0
3 years ago
Read 2 more answers
Between which two square roots of integers could you find π
LUCKY_DIMON [66]
Hello.

Since 3 < pi < 4, 
√9 < pi √16 

In fact, since pi^2 = 9.86, 

<span>√9 < pi < √10. 

Which means the you</span><span> can find pi between square roots √9 and √10.
</span>
Have a nice day
5 0
3 years ago
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