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UNO [17]
2 years ago
9

(Angle relationships) Solve this question

Mathematics
1 answer:
Snezhnost [94]2 years ago
5 0

Answer:

69

Step-by-step explanation:

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Biggest tree in the world:
AnnZ [28]

Answer:

80m

Step-by-step explanation:

The height of giant redwood tree is 100m.

so half of it is 50m

The height of redwood tree is 30m+ 50m= 80m

5 0
2 years ago
Read 2 more answers
Find the zeros of the function: f(x) = x^2 - 4x - 21
IrinaK [193]

Answer:

x = 7, x = -3

Step-by-step explanation:

We can find the zeros by factoring the equation using the zero product property.

x^2-4x-21 = 0

(x-7)(x+3) = 0

<u>x-7 = 0</u>

x = 7

<u>x+3 = 0</u>

x = -3

Zeros are x=7 and x= -3.

5 0
3 years ago
Make a list of the 2- digit numbers
MrRissso [65]
12
13
78
97
65
90
70
these are numbers with 2 digits
5 0
3 years ago
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Write an equation of a parabola that passes through the point (2,4) with vertex (-1,-1) in vertex form.
quester [9]
An applicable equation of a vertical parabola in vertex form is:

y-k = a(x-h)^2

Let x=2, y=4, h=-1 and k=-1, where (h,k) is the vertex.  Then,

4-(-1) = a(2-[-1])^2, which becomes 5 = a(9).  Therefore, a = 5/9, and the 
equation of the parabola is

y+1 = (5/9)(x+1)
8 0
2 years ago
If y varies inversely as x and y=3 when x=4, then y=12 when x=15 <br><br> True or false ?
Elden [556K]

y=12 is false answer.

8 0
3 years ago
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