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ivann1987 [24]
3 years ago
15

Simplify -5a+2a-9a+16-(-2a)

Mathematics
2 answers:
luda_lava [24]3 years ago
7 0

Answer:

-10a + 16

Step-by-step explanation:

We should first put the like terms next to each other:

-5a + 2a - 9a - (-2a) + 16

Then, we can distribute the negative outside of - (-2a) onto the term -2a:

-5a + 2a - 9a + 2a + 16

Now, we can add and subtract as needed.

-10a + 16

Hopefully that was helpful! Let me know if you have any further questions. :)

LUCKY_DIMON [66]3 years ago
4 0

Answer:

-1.6a

Step-by-step explanation:

Combine like terms

-5a+2a=-3a

-3a-9a=-12a

-12a+16-(-2a)

-10a+16

16/-10=-1.6a

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6 \times (4 \times x + y)
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3 years ago
A 20 foot ladder leaning against a wall is used to reach a window that is 17 feet above the ground. How far from the wall is the
GarryVolchara [31]

The bottom of the ladder is 10.5 feet away from the wall

Step-by-step explanation:

The given scenario forms a right triangle.

Where

The length of ladder will be the hypotenuse

The wall on which the window is situated will ebt he perpendicular and

The distance between the foot of ladder and the wall will be the base

So,

Hypotenuse = H = 20 foot

Perpendicular = P = 17 feet

Base = B = ?

Using the Pythagoras theorem

H^2=P^2+B^2\\(20)^2=(17)^2+B^2\\400=289+B^2\\400-289=B^2\\B^2=111\\Taking\ square\ root\ on\ both\ sides\\\sqrt{B^2}=\sqrt{111}\\B=10.53\\Rounding\ off\ to\ the\ nearest\ tenth\\B=10.5

The bottom of the ladder is 10.5 feet away from the wall

Keywords: Triangle, Pythagoras Theorem

Learn more about Pythagoras theorem at:

  • brainly.com/question/9532142
  • brainly.com/question/9590016

#LearnwithBrainly

8 0
3 years ago
What fraction is equal to .66?<br><br> A.1/3<br><br> B.1/5<br><br> C.2/3<br><br> D.2/4
photoshop1234 [79]
2/3 is the answer. 

<span>1/3 is equal to 33.33333333% </span>

<span>so 2/3 is equal to 66.6666666%</span>
8 0
3 years ago
Does the function satisfy the hypotheses of the Mean Value Theorem on the given interval? f(x) = ln(x), [1, 5]
matrenka [14]

Answer:

Yes, the function satisfies the hypothesis of the Mean Value Theorem on the interval [1,5]

Step-by-step explanation:

We are given that a function

f(x)=ln(x)

Interval [1,5]

The given function is defined on this interval.

Hypothesis of Mean Value Theorem:

(1) Function is continuous on interval [a,b]

(2)Function is defined on interval (a,b)

From the graph we can see that

The function is continuous on [1,5] and differentiable at(1,5).

Hence, the function satisfies the hypothesis of the Mean Value Theorem.

5 0
4 years ago
Solve each of the quadratic equations.
My name is Ann [436]

Answer:

0=4+27

Step-by-step explanation:

4 0
3 years ago
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