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3 years ago

13

he addition property of equality states * 10 points x = x if x = y, then y = x if x = y and y = z, then x = z if a = b, then a +

1 = b + 1

1 answer:

zubka84 [21]3 years ago

5 0

Answer:

this is sp confusing i had a stroke

Step-by-step explanation:

lol im so confused i don't know how to answer this

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A cell phone retailer used a mark-up rate of 60% on a cellphone case that originally cost $5. To find the new price of the case

sweet-ann [11.9K]

Answer:

$8

Step-by-step explanation:

5 increase 60% =

5 × (1 + 60%) = 5 × (1 + 0.6) = 8

7 0

3 years ago

5200 for her car 1 year ago. The value of her car now is 4,420

vlada-n [284]

Answer:

the diffrence is 780

subtract

8 0

2 years ago

Can someone help me with 1-142 all the way to 1-144??

mezya [45]

CL.1.142):

A):

x5 ==> 4 boxes = 3ft <==== x5

20 boxes = ? ft

20 boxes is 15 ft. high

B): x3 ===> 4 boxes = 3ft. <==== x3

? boxes = 9ft.

12 boxes will fit in one stack.

c): CL.143

Perimeter = 15 + 29 + 9 + 11 + 6 + 18 =====> 88m

A1 = b * h

(18)(15)

270m^2

A2 = b * h

(11)(9)

99

Total Area ======> 270 + 99 ======> 369m^2

CL.1-144

1/4 + 1/4 + 1/5 = 5/20 + 5/20 + 4/20 ====> 14/20

1/4 * 5/5 =====> 5/20

1/5 * 4/4 =====> 4/20

14/20 + ?/20 = 20/20

? = 6 Missing Section

6/20 ======> 3/10

CL-1.145

A): 40/100 = 4/10 ====> 2/5

0.4 ========> 40%

B): 1/6 ======> .00000

0.16 (Repeating 6) ======> 16.6%

C): 37.5/100 = 375/1000 =======> 3/8

0.375 =========> 37.5%

CL-1.146

ADD: 1/6 + 1/2 show all steps:

1/6 + 1/2

1/6 + 3/6

1 + 3 / 6

4/6 =======> 2/3 =======> Decimal: =======> 0.666667

Hope that helps!!!! : )

5 0

3 years ago

A sensor output was acquired for 32 seconds at a rate of 200 Hz and spectral analysis was performed using FFT. If the data set w

VashaNatasha [74]

Complete Question

A sensor output was acquired for 32 seconds at a rate of 200 Hz and spectral analysis was performed using FFT. If the data set was split into 5 segments (each 6.4 seconds long), what is the resulting:

a)F minimum

b) F maximum

c) Frequency resolution

Answer:

a) $Fmax=100Hz$

b) $Fmin=0Hz$

c) $F_r=0.0313$

Step-by-step explanation:

From the question we are told that:

Time $t=32sec$

Frequency $F=200Hz$

Segments $\mu=5$

Generally the equation for Frequency Range is mathematically given by

$Fmax=\frac{F}{2}$

$Fmax=100Hz$

Therefore

a) $Fmax=100Hz$

b) $Fmin=0Hz$

c)

Generally the equation for Frequency Resolution is mathematically given by

$F_r=\frac{F}{N}$

Where

N=The Total dat points

N=Sampling Frequency *Time

$N=200*32$

$N=6400$

Therefore

$F_r=\frac{200}{6400}$

$F_r=0.0313$

6 0

2 years ago

Someone please help me!!! I’m stuck and need help!

denpristay [2]

Answer:

12

Step-by-step explanation:

These triangles are similar using the AA theroem. This means there sides are in corresponding proportion.

Side AR and Side TE are corresponding. Use this proportion.

$\frac{6}{8}$

This side the triangle SAR side lengths are 3/4 of side lengths of triangle SET.

We know that RS+ST=21

And that RS=3/4(ST).

$\frac{3}{4} x + x = 21$

$1.75x = 21$

x=12.

Side ST is 12

6 0

3 years ago