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Novosadov [1.4K]
2 years ago
6

Hey I need this answered fast!! and if u please could help me I have more questions similar to this one on my page

Mathematics
1 answer:
Tatiana [17]2 years ago
4 0

Answer:

B and E

Step-by-step explanation:

The zero of a function is whatever point on the function where the y-value is zero. Hope this helped.

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P and Q are two points on the line x - y + 1 = 0 and are at distance 5 from the origin. Find the area of the triangle OPQ. ​
Alecsey [184]

Answer:

P and Q are two points on the line x-y+1=0 and are at a distant of 5 units from the origin. Find the area of triangle POQ.

Step-by-step explanation:

P and Q are the intersection points of

x-y+1 = 0 and the circle x^2 + y^2 = 25

sub y = x+1 into the circle

x^2 + (x+1)^2 = 25

x^2 + x^2 + 2x + 1 - 25 = 0

x^2 + x - 12 = 0

(x+4)(x-3) = 0

x = 3 or x = -4

y = 4 or y = -3

so P(3,4) and Q(-4,3) are our two points

Height of triangle.

h = |0 - 0 + 1|/√2 = 1/√2

PQ = √( (-7)^2 + 1^2) = √50 = 5√2

area POQ = (1/2)(1/√2)(5√2) = 5/2 square units

hope this helped

7 0
2 years ago
Gum is packaged in a square-based pyramid shaped box with a distance of 6 cm from the center of the base to the sides and a heig
Juliette [100K]

Answer:

18 cm

Step-by-step explanation:

3 0
3 years ago
Can someone pls help me ?
N76 [4]
D
Because it is one of the parent functions
5 0
3 years ago
Read 2 more answers
A quadrilateral has two consecutive angles that measure 90° each. Which of the following quadrilaterals could have this property
julia-pushkina [17]
The diagram of each shape are shown below

The shapes that have two consecutive angles of 90° is square and rectangle, so the correct option is option A

5 0
3 years ago
Suppose that a population parameter is 0.1, and many samples are taken from the population. If the size of each sample is 90, wh
mr Goodwill [35]
I think the answer is Letter C - 0.032.

Given: p - 0.1; n - 90
Required: standard deviation of the sample proportion
Solution: To get the standard deviation of the sample proportion, we will use this formula - std = √p (1 - p) / n Replace the variables with the given values, then simplify.
   std = √0.1 (1 - 0.1) / 90
   std = √0.09 / 90
   std = √0.001
   std = 0.032
3 0
3 years ago
Read 2 more answers
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