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Firdavs [7]
3 years ago
10

Olce Question What type of notation uses these brackets {}? A. Interval B. Set

Mathematics
1 answer:
Sergio [31]3 years ago
5 0

Answer:

Interval?

Step-by-step explanation:

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A triangle has side lengths measuring 20 cm, 5 cm, and n cm. Which describes the possible values of n?
DENIUS [597]
The answer is D. 15 < n < 25.
3 0
3 years ago
Read 2 more answers
Can someone please find the vertex?
crimeas [40]
You have the correct axis of symmetry value. Nice work.

Plug that x value into the equation to get...
y = -2x^2 - 12x - 10
y = -2*(-3)^2 - 12*(-3) - 10 <<-- replace every x with -3; then use PEMDAS
y = -2*(9) - 12*(-3) - 10
y = -18 + 36 - 10
y = 18 - 10
y = 8

The vertex is the ordered pair (-3, 8)

Note: the axis of symmetry is the vertical line through the vertex

8 0
3 years ago
Lisa is 6 centimeters taller than her friend Ian. Ian is 10 centimeters taller than Jim. Every month, their heights increase by
Temka [501]

Lan is 146 centimeters tall now.

<u><em>Explanation</em></u>

Let, Lan's current height is h centimeters

As Lisa is 6 centimeters taller than Lan and Lan is 10 centimeters taller than Jim, so Lisa's current height = (h+6) centimeters and Jim's current height = (h-10) centimeters.

Every month, their heights increase by 2 centimeters.

So, after 5 months.....

Lan's height = h+(2*5)=(h+10) centimeters,

Lisa's height = (h+6)+(2*5)= (h+16) centimeters and

Jim's height = (h-10)+(2*5)= h centimeters

Given that, the sum of Ian's and Jim's heights will be 140 centimeters more than Lisa's height in 5 months. So the equation will be....

(h+10)+h= (h+16)+140\\ \\ 2h+10=h+156\\ \\ 2h-h=156-10\\ \\ h=146

So, the current height of Lan is 146 centimeters.

7 0
3 years ago
Helppp mee asap !!!!!!
weqwewe [10]
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3 years ago
Whitch coordinate pair is the best estimate of the point of intersection in thisgraph 30 point
egoroff_w [7]

Answer:

a

Step-by-step explanation:

4 0
3 years ago
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