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sattari [20]
2 years ago
8

Identify and define the variable for the situation​

Mathematics
1 answer:
Anika [276]2 years ago
3 0

Answer:

A variable is a letter used in a mathematical equations , formula or expression

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125.315 to standard form​
Marianna [84]

Answer:

1.25315*102

Step-by-step explanation:

6 0
3 years ago
In the diagram, point P is a point of tangency. Find the radius r of circle O.​
vlabodo [156]

Answer:

r = 12

Step-by-step explanation:

From the figure attached,

QP is a tangent to the circle O at the point P.

Therefore, by the property of tangency,

OP ⊥ QP

By applying Pythagoras theorem In right triangle QPO,

(Hypotenuse)² = (Leg 1)² + (Leg 2)²

(OQ)² = (OP)² + (PQ)²

(25 + r)² = (35)² + r²

625 + r² + 50r = 1225 + r²

50r = 1225 - 625

50r = 600

r = 12

Therefore, r = 12 units is the answer.

4 0
3 years ago
Ishaan is 333 times as old as christopher and is also 141414 years older than christopher.
GalinKa [24]
<span>Ishaan is 21, Christopher is 7 No actual question given, but I will assume that the question is "How old are they?". If that's the case, we can create two equations. I'll use I for Ishaan's age and C for Christopher's. I will also assume that there's been some formatting issues here and for some reason, numbers are repeated 3 times without any spaces. So "Ishaan is 3 times as old as Christopher" I = 3C "is also 14 years older than Christopher I = C + 14 Since both equations are equal to each other, let's set them equal. So 3C = C + 14 2C = 14 C = 7 So Christopher is 7. And we can use the equation I = C + 14 to get Ishaan's age. So I = C + 14 I = 7 + 14 I = 21</span>
3 0
3 years ago
I need help<br> please someone
mina [271]

Answer:

second option

Step-by-step explanation:

x - y= 28

x+y = 56

4 0
3 years ago
If you save three pennies on January 1, six pennies on January 2, nine pennies on January 3, and continue this pattern for one y
lbvjy [14]
This is an arithmetic series with first term a1 = 3 and common difference = 3

Sum after 365 days  = (365/2)[ 2*3 + (365-1)*3]

=  200,385 pennies  = $2003.85 Answer



5 0
3 years ago
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