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love history [14]
3 years ago
10

How do I get brainliest?

Mathematics
2 answers:
scZoUnD [109]3 years ago
8 0

Answer: you just answer the questions people asked, and if your answer is better than the other person’s answer, then the person who asked the question can mark you as brainliest

Step-by-step explanation:

Marina86 [1]3 years ago
5 0

Answer:

who ever asked the question you answered has to give it to you, you could just ask them for it. Hope this helps :D

Step-by-step explanation:

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A high- speed elevator can rise 500 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevato
maria [59]
The expression is r = 500 • 2, where “r” represents the rate.
5 0
3 years ago
Polynomial of degree 4 has 1 positive real root that is bouncer and 1 negative real root that is a bouncer. How many imaginary r
Rainbow [258]

Answer:

<h3>The given polynomial of degree 4 has atleast one imaginary root</h3>

Step-by-step explanation:

Given that " Polynomial of degree 4 has 1 positive real root that is bouncer and 1 negative real root that is a bouncer:

<h3>To find how many imaginary roots does the polynomial have :</h3>
  • Since the degree of given polynomial is 4
  • Therefore it must have four roots.
  • Already given that the given polynomial has 1 positive real root and 1 negative real root .
  • Every polynomial with degree greater than 1  has atleast one imaginary root.
<h3>Hence the given polynomial of degree 4 has atleast one imaginary root</h3><h3> </h3>

8 0
3 years ago
Help....................................DDDDDDDDDDDDDDDDDDDDDDDDDDD
m_a_m_a [10]

Answer:

Step-by-step explanation:

a). Since, ΔABC ~ ΔWYZ

Their corresponding sides will be proportional.

\frac{AB}{WY}=\frac{BC}{YZ}= \frac{AC}{WZ}

\frac{194}{WY}=\frac{BC}{1}= \frac{130}{WZ}  --------(1)

By applying Pythagoras theorem in ΔABC,

AB² = AC² + BC²

BC² = AB² - AC²

BC² = (194)² - (130)²

BC² = 20736

BC = 144

From equation (1)

\frac{194}{WY}=\frac{144}{1}= \frac{130}{WZ}

\frac{194}{WY}=\frac{144}{1}

WY = \frac{194}{144}

WY = \frac{97}{72} = 1.35

\frac{144}{1}= \frac{130}{WZ}

WZ = \frac{130}{144}

WZ = \frac{65}{72} = 0.90

b). tan(A) = \frac{\text{Opposite side}}{\text{Adjacent side}}

               = \frac{144}{130}

               = \frac{72}{65}

Since, ΔABC ~ ΔWYZ,

∠A ≅ ∠W

Therefore, tangent of angle A and angle W will measure \frac{72}{65}.

8 0
2 years ago
Calculate the vertex of the quadratic function: <br> y= -4^2 + 8x -9
expeople1 [14]

Answer:

f(x)=8x-25

Step-by-step explanation:

6 0
3 years ago
Yes help please thxssssssssssssssssssssssssssss
Charra [1.4K]
Answer=7/20

If there’s 20 total and there’s 7 blue it should be 7/20
3 0
2 years ago
Read 2 more answers
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