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3 years ago

If 2+2 is 4, 22 is 4, and 2 squared is 4, what is (2+2)(22)(2^2)?

Mathematics

2 answers:

FrozenT [24]3 years ago

4 0

Answer:

Step-by-step explanation:

-Do the equations in the parentheses first to get (4)(4)(4)

-Calculate that to get 16*4 which equals 64

leonid [27]3 years ago

3 0

The answer is in the image below.

Hope this helps!!!!!

Please give me brainliest!!!!!

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Answer:Add x to both sides of the equation.y=3+2x

Step-by-step explanation:

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For the first one it’s subtraction property of equality

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Which equation is satisfied by all of the plotted points?

Lubov Fominskaja [6]

A. y=2x
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3 years ago

A rope is swinging in such a way that the length of the arc traced by a knot at its bottom end is decreasing geometrically. If t

nikdorinn [45]

Answer:

The length of the arc on the sixth swing was 12.18 ft.

Step-by-step explanation:

A rope is swinging in such a way that the length of the arc traced by a knot at its bottom end is decreasing geometrically.

The third arc is 22 ft. long and the seventh arc is 10 ft.

Hence, the 3rd term is 22 and 7th term is 10.

The length of the arc on the sixth swing is asked, so we have to calculate the 6th term.

We know the nth term in GP is,

$T_n=ar^{n-1}$

So,

$T_3=ar^{3-1}=ar^2$ ----------------1

$T_7=ar^{7-1}=ar^6$ ----------------2

Dividing equation 2 by 1,

$\Rightarrow \dfrac{T_7}{T_3}=\dfrac{ar^6}{ar^2}$

$\Rightarrow \dfrac{10}{22}=\dfrac{ar^6}{ar^2}$

$\Rightarrow \dfrac{10}{22}=\dfrac{r^6}{r^2}$

$\Rightarrow \dfrac{r^6}{r^2}=\dfrac{10}{22}$

$\Rightarrow r^4=\dfrac{10}{22}$

$\Rightarrow r=\sqrt[4]{\dfrac{10}{22}}$

$\Rightarrow r=0.8211$

Then the 6th term will be,

$T_6=ar^{6-1}=ar^5$ ----------------3

Dividing equation 2 by 3,

$\Rightarrow \dfrac{T_7}{T_6}=\dfrac{ar^6}{ar^5}$

$\Rightarrow \dfrac{10}{T_6}=\dfrac{a(0.8211)^6}{a(0.8211)^5}$

$\Rightarrow \dfrac{10}{T_6}=0.8211$

$\Rightarrow T_6=\dfrac{10}{0.8211}=12.18\ ft$

Therefore, the length of the arc on the sixth swing was 12.18 ft.

6 0

3 years ago

I need help on 75-77

77julia77 [94]

<h3>We'll be using...</h3>

To find the volume, you use a simple formula. And that formula is L×W×H.

To find the surface area, you need to find the area of each piece and add it up later in the end.

<h3 />

75.

L=3 cm, W=1 cm, H=3 cm ... We'll be using.

Volume

To solve the volume, you need to use the formula. 3×1×3.

3×1×3 ... Equation

3×3 ... Step 2

9 ... Answer

Surface area

(3×3)2 ... Multiply by 2 since there is only 2 3×3 piece

36+((3×1)4) ... Step 2

18+12... Step 3

30 ... Answer.

So for number 75, volume = 9 cm³ and SA = 30 cm²

76.

L=6 ft, W=2 ft, H=5 ft

Volume

6×2×5 ... Step 1

12×5 ... Step 2

60 ... Answer

Surface area

(6×5)2 ... Step 1

(2×5)2 ... Step 2

(6×2)2 ... Step 3

60+20+24 ... Step 4

104 ... Answer

So, for number 76, volume = 60 cm³, SA = 104 cm²

77.

L=4 m, W=2 m, H=6 m

Volume

4×2×6 ... Step 1

8×6 ... Step 2

48 ... Answer

Surface Area

(4×2)2 ... Step 1

(2×6)2 ... Step 2

(4×6)2 ... Step 3

16+24+48 ... Step 4

40+48 ... Step 5

88 ... Answer

So, for 77, Volume = 48 m³ and SA = 88 m²

8 0

2 years ago

If 2+2 is 4, 2*2 is 4, and 2 squared is 4, what is (2+2)*(2*2)*(2^2)?

If 2+2 is 4, 22 is 4, and 2 squared is 4, what is (2+2)(22)(2^2)?