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tresset_1 [31]
3 years ago
12

I really need help ! i’m failing math i need the answers x and y

Mathematics
1 answer:
Elina [12.6K]3 years ago
5 0

Answer:

2x=80

x=40

y=190-80

y=110

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The formula T= 2pi sqrt(L/32) relates the time, T, in seconds for a pendulum with the length, L, in feet, to make one full swing
pantera1 [17]

Remark

I like to work from the original equation.

Givens

T = 2.2 seconds

pi = 3.14

L = ??

Substitute and Solve

T = 2*pi*sqrt(L/32) Find the value of 2*pi

2.2 = 2*3.14* sqrt(L/32)

2.2 = 6.28 * sqrt(L/32) Divide both sides by 6.28

2.2/6.28 = sqrt(L/32)

0.35032 = sqrt(L/32) Square both sides.

0.122723 = L/32 Multiply both sides by 32

0.122723 * 32 = L

L = 3.927 feet. <<<<< Length pendulum creating 2.2 seconds.

3 0
3 years ago
Read 2 more answers
In 2016, the cost of 2 ounces of pure gold was $2,640. Complete the double number line to show the cost for 1, 3, and 4 ounces o
miss Akunina [59]

Answer:

1 would be 1320

3 would be 3960

4 would be 5280

Step-by-step explanation:

5 0
3 years ago
How do you determine the number of zeros to Annex in the product of 0.002 + 0.003
lorasvet [3.4K]
2*10^-3 + 3*10^-3
(2+3)*10^-3
5*10^-3
since the sum of coefficients of the 10^-3 are less than 10, we still have the same number of zeros
0.005
3 0
3 years ago
In a study conducted at a large long-term care facility, two data collectors examined 56 pressure ulcers on 40 different subject
lara31 [8.8K]

Answer:

Interrater reliability between the two data collectors was high

Step-by-step explanation:

Explanation-

  • Interrater reliability is the consistency of observations between two or more observers.
  • An Agreement of 54 out of 56 scores would indicate a high level of interrater reliability.
  • The data collection method was appropriate for pressure ulcer risk assessment.
  • The risk assessments did not have to be done by both evaluators at the same time.
5 0
3 years ago
Find the angle that the line through the given pair of points makes with the positive direction of the x-axis
Allisa [31]

Answer:

The answer to your question is Ф = 45°

Step-by-step explanation:

Data

A (1, 4)

B (-1, 2)

Process

1.- Find the slope of the line

formula

m = \frac{y2 - y1}{x2 - x1}

Substitution

m = \frac{2 - 4}{-1 - 1} = \frac{-2}{-2} = 1

Slope definition, is the steepness of a line and also is the tangent of the angle of the line.

                          tangent Ф  = slope

                          tangent Ф = 1

                                        Ф = tangent⁻¹ 1

                                        Ф = 45°

4 0
4 years ago
Read 2 more answers
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