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Sever21 [200]
3 years ago
10

Factor (16a2 - 49) completely

Mathematics
1 answer:
riadik2000 [5.3K]3 years ago
5 0

Answer:

(4a+7)(4a-7)

Step-by-step explanation:

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In rectangle $ABCD$, $AD=1$, $P$ is on $\overline{AB}$, and $\overline{DB}$ and $\overline{DP}$ trisect $\angle ADC$. Write the
Studentka2010 [4]
<h3>Answer:</h3>

w+x+y+z = 12

<h3>Explanation:</h3>

When right angle ADC is divided into three equal parts (trisected), each of those parts is 90°/3 = 30°. Thus, ∠CDB = ∠PBD = ∠PDB = 30°.

The sides of a 30°-60°-90° triangle are in the proportion 1 : √3 : 2. Hence BD = 2, and PD = PB = 2/√3 = (2/3)√3.

Then the perimeter of ∆BDP is ...

... perimeter ∆BDP = BD + DP + PB

... = 2 + (2/3)√3 + (2/3)√3

... = 2 + (4√3)/3 . . . . . . . . w=2, x=4, y=3, z=3

w + x + y + z = 2+4+3+3 = 12

8 0
3 years ago
Please tell me the right answer
Alexus [3.1K]

Answer:

is probably y=-2x

Step-by-step explanation:

6 0
2 years ago
What is 8 3/5- 5 3/5 kxkxndndndb
Elza [17]
14 1/5 if I correct
6 0
3 years ago
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Plot points for the function f(x)=x^+2x
timurjin [86]

The equation f(x)=x² + 2x is a quadratic equation, and it passes through the points (0,0) and (1,3)

<h3>How to plot the points for the equation?</h3>

The equation is given as:

f(x)=x² + 2x

Set x = 0

f(0)= 0² + 2(0) = 0

Set x = 1

f(1)= 1² + 2(1) = 3

The above means that the equation f(x)=x² + 2x passes through the points (0,0) and (1,3)

See attachment for the graph of f(x)=x² + 2x

Read more about quadratic graphs at:

brainly.com/question/18797214

#SPJ1

3 0
2 years ago
Hey y'all!!<br>Help me with this!!<br><br>Simpliy this:​
katrin2010 [14]

Hey!

Image is not Clear. But I hope u understand my answer. Thank you...

It is right answer...

4 0
2 years ago
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