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Tpy6a [65]
3 years ago
5

Compare how you would model and record finding the sum and difference of two rocks weighing 2/8 & 3/8 of a pound

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
7 0
Sum  = 2/8 + 3/8  = (2+3)/8  = 5/8 pounds

Difference =  3/8 - 2/8  = (3-2)/8 = 1/8 pounds 
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A soundproofing tile is made of 8 identical solid right pyramids with square bases. The length of the whole tile shown is x inch
mylen [45]

Answer:

Option B ⇒ Area of base of each pyramid :

(\frac{x}{4})^2 in^2

Option A ⇒ Volume of pyramid :

\frac{1}{3} x^{2} \cdot y   cm3

Step-by-step explanation:

One side of tile consists of 4 pyramids and since length of whole tile is x,

So, the base length of each pyramid = \frac{x}{4}

⇒ Area of base of each pyramid = side²

⇒ Area =

(\frac{x}{4})^2 in^2

Volume of square based pyramid :

=(Area of base )\cdot \frac{h}{3}\\=\frac{x^2}{3} cm^3

For 1. The correct Option is B

For 2. The correct option is A

7 0
3 years ago
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ACCORDING to the rate of electricity charge, the minimum charge up to 20 unit is Rs 80 and the cost per unit from 21 units to 25
azamat

Answer:

180

Step-by-step explanation:

let x = total units of electricity after 250 units

the total units of electricity consumed can be determined using the formula below

80 + 7.3x = 1248

7.3x = 1248 - 80

7.3x = 1168

divide both sides of the equation by 7.3

x = 1168 / 7.3

x = 160

total electricity consumed = 160 + 20 = 180

160

6 0
2 years ago
Peter always calls people "sir" or "ma'am" when talking to grown-ups. He even remembers to offer his chair to women who are stan
omeli [17]

Answer:

polite

Step-by-step explanation:

Peter's politeness never changes depending on circumstances, so it is a trait he owns.

3 0
3 years ago
Read 2 more answers
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Paladinen [302]

Answer:

"The graph of his the graph of g horizontally shifted left 7 units." Which is option "B" n the list

Step-by-step explanation:

If  the function g(x)=x^2  is transformed to obtain the function h(x)=g(x+7), then a transformation that affects the x-variable has taken place.

Recall that a transformation that adds t units to the variable "x" represent graphically the horizontal displacement of the original function,"t" units to the left.

Therefore, the correct answer is:

"The graph of his the graph of g horizontally shifted left 7 units."

which agrees with option "B" in your given list.

3 0
3 years ago
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You scored a 95% on your math quiz. The quiz was out of 60 points. How many points did you get?
Mademuasel [1]

Answer:

57

Step-by-step explanation:

5 0
2 years ago
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