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likoan [24]
3 years ago
13

7th grade math help me please :)

Mathematics
2 answers:
Aneli [31]3 years ago
8 0
105 pounds ...............
katovenus [111]3 years ago
6 0

Answer:

105 pounds

Step-by-step explanation:

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SALE 70% off
Molodets [167]

Answer:

198.00

Step-by-step explanation:

I am not sure but I hope this helps some.

8 0
3 years ago
A helicopter hovers 500 feet above a small island. The figure shows that the angle of
Tamiku [17]

Answer:

435 ft

Step-by-step explanation:

Reference angle = <P = 49° (angle of elevation)

Opposite side = 500 ft

Adjacent side = d = ?

Apply trigonometric function, TOA.

This:

Tan P = opp/adj

Tan 49 = 500/d

d × Tan 49 = 500

d = 500/Tan 49

d = 434.643369 ≈ 435 ft (to the nearest foot)

6 0
3 years ago
What is the solution of the quadratic system of equations? <br> give brainliest and extra points!!
ololo11 [35]

Try this solution:

The correct answer is 'a' only, where x= -4;-1 and y= -6;-21

4 0
4 years ago
Read 2 more answers
Find all solutions to each quadratic equation
romanna [79]
I hope this helps you



2x^2-4x+7=0 a=2 b=-4 c= 7



disctirminant =b^2-4ac


disctirminant =(-4)^2-4.2.7


disctirminant = 16-56= -40


x=-b+square root of disctirminant ÷2a


x=4+2square root of (-10)/4


x=2+square root of (-10)/2


x'=4 -2 square root of (-10)/4


x'=2 -square root of (-10)/2
6 0
3 years ago
If f(x) = -5, find the value of x in the function f(x) = 6x + 1.
Debora [2.8K]

Answer:

X = -1

Step-by-step explanation:

f(-1) = 6(-1) + 1

6 * -1 = -6

-6 + 1 is equal to -5

I hope this helps (:

5 0
4 years ago
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