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bija089 [108]
3 years ago
9

PLS HURRY ONLY CORRECT ANSWERS 50 POINTS NEED THIS IN ONE HOUR

Mathematics
2 answers:
Dmitry_Shevchenko [17]3 years ago
6 0

Answer:

250=70x+50

Step-by-step explanation:

Bond [772]3 years ago
5 0

Part A:   70x+50=$250

Part B:   75x-5x+$35=$250

They differ because in Part A they don't lose any money and just gain it, while in part B they lose money, while gaining more in part A.

not 100% sure on Part B

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model aeroplane is made to a scale of 1 by two of the size of the real plane the area of the wings of the real plane are 40 m sq
4vir4ik [10]

The area of the wings of the model is 100000 square centimeters

<h3>How to determine the model area of the wings?</h3>

The given parameters are:

Scale factor, k = 1/2

Actual area of wings, A = 40 square meters

The model area is calculated as

Model area = Actual area * k^2

This gives

Model area = 40 * (1/2)^2

Evaluate

Model area = 10 square meters

Convert square meters to square centimeters

Model area = 10 * 10000 square centimeters

Evaluate

Model area = 100000 square centimeters

Hence, the area of the wings of the model is 100000 square centimeters

Read more about scale ratios at:

brainly.com/question/16192120

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6 0
2 years ago
About how long is each side of a square that is 125 square miles
stiv31 [10]
Square = identical sides.
therefore, 125miles^2 = (square root 125)^2

square root 125 = 11.18033989miles
5 0
3 years ago
Q1. 12.5g of medicine cost 1,075 naira. What is the cost of 1g of medicine. Q2. What is the total pay for someone who works 42 h
Natalija [7]

Step-by-step explanation:

Q1. 1,075÷12.5 =8

So Therefore 1g of medicine cost 8 naira

Q2.645÷42=15.3

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3 0
2 years ago
Write an equation that could be used to find the measure of each angle
zheka24 [161]

Answer:

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Step-by-step explanation:

because if 3x is 50 and 2x is 50 then you have the 80 degree angle that makes a straight angle which is 180 degrees.

8 0
3 years ago
A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = -0.06x^2 +
bixtya [17]
It's asking how far horizontally from the starting point which means that y, the height in meters is 0.
set 0 = -0.06x^2 + 10.1x + 5 and solve for x using the quadratic formula

-b +- \sqrt{b^{2} -4ac} / 2a
-10.1 +- \sqrt{10.1^2 - 4(-0.06)(5) / 2(-0.06)
you get that x = 168.83 m and -0.49 meters. Since the horizontal distance cant be negative, 168.83m is your answer
6 0
3 years ago
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