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Zarrin [17]
1 year ago
13

Which expression is equivalent to ( 7^-2 x 3^5 ) ^-2

Mathematics
1 answer:
finlep [7]1 year ago
8 0

The answer is 7^4 / 3^10.

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Write the equation of the line perpendicular to the line x - 3y = 9 and passing through the point (3,5).
PilotLPTM [1.2K]
Here is a sample problem
has to be perpendicular to y=(4/9)*x-2 and pass through 4,3,


y-b=m(x-a)
slope of -9/4 is perpendicular to slope of 4/9, as y=4/9x-2 has slope 4/9. Our point is (4,3) therefore.
y-3=-9/4*(x-4)
y-3=-9/4x+9
y=-9/4x+9+3
y=-9/4x+12
5 0
3 years ago
In triangle EFG, angle E equals 8x-16, angle F equals x+8, and angle G equals 2x-10. What is the value of x?
Stels [109]

Answer: The value of x= 18

Step-by-step explanation:

Given: In triangle EFG, angle E equals 8x-16, angle F equals x+8, and angle G equals 2x-10.

The sum of all angles of a triangle is 180°.

Therefore, in triangle EFG

∠E + ∠F +∠G= 180°

⇒ 8x-16 +x+8+ 2x-10 =  180

⇒ 11x-18= 180

⇒ 11x = 180+18

⇒11x=198

⇒ x= 18   [Divide both sides by 11]

Hence, the value of x= 18

6 0
3 years ago
In which quadrant is (4,-5) located
Vinvika [58]
4 in (4,-5) implies positive x-axis.
-5 in (4,-5) implies negative y-axis.

Since x is positive and y is negative in fourth quadrant, so the answer is

QUADRANT IV (or 4th quadrant.
3 0
3 years ago
Read 2 more answers
What is this<br><br><br>h divide 4 = 9​
djverab [1.8K]

Answer: 36÷4=9

Step-by-step explanation:

6 0
3 years ago
How many dogs do I have if I give two away
Helen [10]

Answer:

Two less dogs

Your situation can be defined as x-2, where x was the number of dogs. Since the number of original dogs was not specified, two less dogs is the corrext answer

3 0
3 years ago
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