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2 years ago

5

Round 14,445 to the nearest hundred

1 answer:

Bumek [7]2 years ago

7 0

Answer:

the answer is 14,400

Step-by-step explanation:

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Which of the following statements is true?

boyakko [2]

Answer:

B) Aluminum and steel are good conductors of electricity.

Step-by-step explanation:

5 0

2 years ago

Two slits are illuminated by a 348 nm light. The angle between the zeroth-order bright band at the center of the screen and the

Andre45 [30]

Answer:0.369 m

Step-by-step explanation:

Given

Distance between slit and screen is $D=154 cm$

Wavelength $\lambda =348 nm$

Angle between zeroth order bright fringe and Fourth-order bright fringe is $\theta =13.5^{\circ}$

let distance between the slits be d

Distance of n th bright fringe From central Fringe is given by

$y_n=\frac{nD\lambda }{d}$

Also $\tan \theta =\frac{y_4}{D}$

$y_4=\tan (13.5)\cdot 1.54$

$y_4=0.24\times 1.54$

$y_4=0.369 m$

5 0

3 years ago

Lines m and n are parallel and m<1=140*<br> What is m<7?

Arada [10]

$m\angle 7=180-m\angle 5\\
m\angle 5=m\angle 1=140\\
m\angle 7=180-140\\
m\angle 7=40$

6 0

3 years ago

Use addition properties and strategies to find the sum..1.)34+62+51+46=? 2.)27+68+43=? 3.)42+36+18=? 4.)74+35+16+45=?

erica [24]

1.
$34 + 62 = 96 + 51 = 147$
$147 + 46 = 193$

2.
$27 + 68 = 95 + 43 = 138$
3.
$42 + 36 = 78 + 18 = 96$
4.
$74 + 35 = 109 + 16 = 125 + 45 =$
$= 70$

5 0

3 years ago

Find the perimeter of the given triangle

trasher [3.6K]

Here it is given that the triangles ABP and DCR are similars, therefore we use the ratio rule which states that

corresponding sides of similar triangles are in same proprtion .

$\frac{AB}{DC} = \frac{BP}{CR}$

that gives

7/10 = BP/11

7*11=10BP

BP=7.7

Again using the ratio rule

$\frac{AB}{DC} = \frac{AP}{DR}$

7/10 = AP/6

42 = 10AP

AP = 4.2

Perimeter= AB+BP+AP = 7+7.7+4.2 = 18.9

Correct option is A.

8 0

3 years ago