3 years ago

This question is asking for the 2 x solutions.

Mathematics

2 answers:

Aneli [31]3 years ago

7 0

Find the length of the arc. Round to the nearest tenth?.

NeTakaya3 years ago

3 0

Answer:

x= -1/4 and 8

Step-by-step explanation:

2x^2 - 8=31x -2x^2

Combine like terms and move all terms to one side:

4x^2-31x-8=0

use the quadratic formula.

(I can't type this out, but you just plug in the numbers into the formula which you can look up if you don't know it)

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Mrs.Tampo has 17 students in her class last year and this year she had 25 students in math class what is the percent of change

Alla [95]

Answer:

32% decrease

Step-by-step explanation:

Solution:

Calculate percentage change

from V1 = 25 to V2 = 17

so:

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shutvik [7]

Answer:

Step-by-step explanation:

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3 years ago

The equation y = 1725 - 75x represents the amount of money y (in dollars) left in your lunch account after x weeks. 20 weeks go

garik1379 [7]

Y= -75x +1725
y= -75(20) +1725
y = -1500 + 1725
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3 years ago

Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 20 feet,

Anika [276]

Answer:

7.7 ft

Step-by-step explanation:

The third longest side is also the second shortest side.

The 14 ft side of quadrilateral ABCD corresponds to the 6 ft side of quadrilateral EFGH.

14/6 = 18/x

7/3 = 18/x

7x = 18 * 3

7x = 54

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x = 7.7

Answer: D. 7.7 feet

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3 years ago

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Write an equation and solve.

mezya [45]

Equation: 50+15x=200
solution: x= 10

it would take him 10 weeks to purchase the bike he wants.

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