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Y_Kistochka [10]
3 years ago
6

Evaluate the function please help

Mathematics
1 answer:
astra-53 [7]3 years ago
3 0

Answer:

Well, this is not an answer but, i would like do know your grade. ( & WHO'S idea was it to add LETTERS to MATH!?)

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Triangles IJK and LMN are similar. Find y using proportions. Explain and show all your steps.
Deffense [45]

Triangles IJK and LMN are similar. Then, the proportion between their similar sides must be equal. That is:

IJ/ML = JK/MN = IK/LN

where:

IJ = x

JK = 54

IK = y

MN = 42

ML = 28

NL = 35

In order to find the value of y, you consider the equation JK/MN = IK/LN, and solve for y, just as follow

JK/MN = IK/LN replace by the values

54/42 = y/35 multiply both sides by 35

(54/42)(35) = y

45 = y

Hence, y = 45

4 0
1 year ago
A house cleaning service claims that it can clean a four bedroom house in less than 2 hours. A sample of n = 16 houses is taken
Vera_Pavlovna [14]

Answer:

Option B is right

Step-by-step explanation:

H_0: x bar =2\\H_a: x bar

(One tailed test at 5% significance level)

n =16 and x bar =1.97

s =0.1

Std error of mean = \frac{s}{\sqrt{n} } \\=0.025

Mean diff = 1.97-2 =-0.03

t statistic =Mean diff/se =-1.2

df =16-1=15

p value =0.124375

(B) do not reject the null because the test statistic (-1.2) is > the critical value (-1.7531).

3 0
3 years ago
Farmland A farmer has a rectangular plot of land shaped like the figure in the
Stella [2.4K]

4,800 that’s the answer for your equation

5 0
3 years ago
What is the circumference of a circle with a radius of 0.8 m? A. 0.64*pi m B. 0.8*pim C. 1.6*pi m D. 2.56*pi m
Paraphin [41]
C = 2πr
C = 2(3.14)(0.8)
C = 2(2.512)
C = 5.024 m

The answer is C.
7 0
3 years ago
How to solve 11x=2x^2+12 by factoring?
andreyandreev [35.5K]
2x^2-11x+12=0

Slip and slide
x^2-11x+24=0
(x-8)(x-3)
(x-8/2)(x-3/2)
(x-4)(2x-3)

Use ZPP
x-4=0
x=4

2x-3=0
2x=3
x=3/2

Final answer: x=3/2, x= 4
8 0
3 years ago
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