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rosijanka [135]

4 years ago

7

Describe how you regroup when you find the sum of 64 + 43

1 answer:

BlackZzzverrR [31]4 years ago

7 0

I would split 64 into 60 & 4, and 43 into 40 & 3

Than i would add the 60 and 40 together (which will give me 100)
I will than add 4 & 3 together (which will give me 7)

Than i will add 100 and 7 together, which will give me 107

107 is your final answer

hope this helps

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1.875
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4 0

3 years ago

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Please answer this question

Zina [86]

Answer:

$y = 9.1$

Step-by-step explanation:

Use the Law of sines to find y in ∆WXY, given:

m < Y = 106°

m < X = 58°

WY = x = 8

WX = y = ?

Therefore,

$\frac{y}{sin(Y)} = \frac{x}{sin(X)}$

$\frac{y}{sin(106)} = \frac{8}{sin(58)}$

$\frac{y}{0.961} = \frac{8}{0.848}$

$\frac{y}{0.961} = 9.434$

Multiply both sides by 0.961 to solve for y

$\frac{y*0.961}{0.961} = 9.434*0.961$

$y = 9.434*0.961$

$y = 9.1$ (to nearest tenth)

4 0

3 years ago

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kipiarov [429]

Answer:

m∠ABC=42°

Step-by-step explanation:

m∠ABD=70°

⇒m∠ABD=m∠ABC+m∠CBD

⇒70°=(3x+33°)+(5x+13°)

70°=8x+46°

70°-46°=8x

24°=8x⇒x=3°

x=3°

Then,

m∠ABC=3x+33°

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m∠ABC=42°

3 0

3 years ago

A metal conduit will be used as a pathway for wiring through a concrete block. The conduit is a 5 foot long rod with an outer di

kolbaska11 [484]

Answer: 586.59 cubic centimeters .

Step-by-step explanation:

As per given . we have

Inner diameter = 1.8 inches

⇒Inner radius :r = 0.9 in. (radius is half of diameter)

= 0.9 x (2.54) = 2.286 cm [∵ 1 in . = 2.54 cm]

Outer diameter = 2 inches

⇒Outer radius : R = 1 inch = 2.54 cm

Height : h = 5 feet = 5 x(30.48) = 152.4 cm [∵ 1 foot = 30.48 cm]

The formula to find the volume of a hollow cylinder :

$V=\pi(R^2-r^2)h$ , where R= outer radius , r= inner radius and h= height.

Now , the volume of metal in the conduit :

$V=(3.14)(( 2.54)^2-(2.286)^2)(152.4)$

$V=(3.14)(6.4516-5.225796)(152.4)$

$V=(3.14)(1.225804)(152.4)$

$V=586.591342944\approx586.59\ cm^3$

Hence, the volume of metal in the conduit is 586.59 cubic centimeters .

5 0

3 years ago

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Alex17521 [72]

Answer:

(1+1+1)!*1=6

Step-by-step explanation:

8 0

3 years ago