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4 years ago

13

2 + 2 is 4 - ? thas ? ______ Brainliest for whoever completes the verse ;)))

2 answers:

eduard4 years ago

7 0

2+2 is 4 - 1 is 3 QUICK MATHS

RideAnS [48]4 years ago

3 0

2 + 2 = 4 + 3 = 7 *3 =21

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The circumference of a circle is 22 cm.

valkas [14]

$\bf \: Circumference \: of \: a \: circle = 2\pi \: r$

$\implies22 = 2 \times \dfrac{22}{7} r$

$\implies22 = \dfrac{44}{7} \times r$

$\implies \: r = \dfrac{22 \times 7}{44}$

$\implies \boxed{ r = \dfrac{7}{2} }$

Now,

$\bf \: Area \: of \: circle = \pi {r}^{2}$

$\rightarrow \: \frac{22}{7} \times ({ \frac{7}{2}) }^{2}$

$\rightarrow \frac{22}{ \cancel7} \times \frac{ \cancel{49}}{4}$

$\rightarrow \: 22 \times \frac{7}{4}$

$\rightarrow \: 11 \times \frac{7}{2}$

$\rightarrow \frac{77}{2}$

$\rightarrow \: 38.5 \: cm {}^{2}$

Area of rectangle = 38.5 cm².

7 0

3 years ago

a stadium shaped like a hemisphere with a radius of 150 feet. last month the owners of the stadium paid $0.05 per cubic foot to

lesantik [10]

The formula for volume of a hemisphere is: V = 2/3 * π * r³

Volume = 2/3 x 3.14 x 150^3

Volume = 7,065,000 cubic feet.

Multiply the cost per cubic foot by the volume:

7,065,000 x 0.05 = 353,250

The total cost was $353,250

6 0

3 years ago

The number of mold cells doubles every 12 minutes. At this moment, there are x mold cells present on a piece of bread. Which of

lisabon 2012 [21]

Answer:

Step-by-step explanation:

Suppose that at time $t_0$ we have x mold cells. We are told that after 12 minutes the amount present is double. That is a $t= t_0+12$ we have 2x cells. Then, at $t = t_0+24$ we have (2x)*2 = 4x. We can continue as follows

$t: t_0+36$ we have (4x)*2 = 8x.

$t: t_0+48$ we have (8x)*2 = 16x

$t: t_0+60$ (one hour later) we have (16x)*2 = 32x.

So after one hour from now we have 32x cells.

5 0

4 years ago

The surface area of a cube is represented by the expression below, where s is the side length of the cube.

Inessa [10]

Answer:

d

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

If y varies directly as z and inversely as x and y=16 and z=2 when x=42, find y when x=14 and z=8

drek231 [11]

Answer:

y = 192

Step-by-step explanation:

Given y varies directly as z and inversely as x then the equation relating them is

y = $\frac{kx}{z}$ ← k is the constant of variation

To find k use the condition y = 16 and z = 2 when x = 42

k = $\frac{yx}{z}$ = $\frac{16(42)}{2}$ = 336

y = $\frac{336z}{x}$ ← equation of variation

When x = 14 and z = 8, then

y = $\frac{336(8)}{14}$ = 192

8 0

3 years ago