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3 years ago

kim is using 1-inch-square tiles to cover a rectangular tabletop. what is the area, in square inches, of the tabletop?

Mathematics

2 answers:

ankoles [38]3 years ago

8 0

We need to know how long the table is, but in an algebraic form, you would say: x/1inch = Y

Gekata [30.6K]3 years ago

5 0

Not enough information

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Sari is factoring the polynomial 2x2 + 5x + 3. What is the missing number in her factorization?

babymother [125]

Answer:

the factor of polynomial $2x^{2}+5x+3$ is $=\left(x+1\right)\left(2x+3\right)$

Step-by-step explanation:

We need to factor the polynomial $2x^{2}+5x+3$

Break the expression into groups,

$=\left(2x^2+2x\right)+\left(3x+3\right)$

$\mathrm{Factor\:out\:}2x\mathrm{\:from\:}2x^2+2x\mathrm{:\quad }$

$\mathrm{Apply\:exponent\:rule}:\quad \:a^{b+c}=a^ba^c$

$x^2=xx$

then

$2x^2+2x=2xx+2x$

$\mathrm{Factor\:out\:common\:term\:}2x$

$=2x\left(x+1\right)$

$\mathrm{Factor\:out\:}3\mathrm{\:from\:}3x+3\mathrm{:\quad }3\left(x+1\right)$

$=2x\left(x+1\right)+3\left(x+1\right)$

$\mathrm{Factor\:out\:common\:term\:}x+1$

$=\left(x+1\right)\left(2x+3\right)$

Hence, the factor of polynomial $2x^{2}+5x+3$ is $=\left(x+1\right)\left(2x+3\right)$

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3 years ago

A mixture contains 3.7 × 10–6 grams of carbon powder and 0.000092 grams of ammonium carbonate.

Julli [10]

Answer:

The difference in the amounts of carbon powder and ammonium carbonate is $88.3\times 10^{-6}$ grams.

Step-by-step explanation:

According to this statement, we have a mixture with $3.7\times 10^{-6}$ grams of carbon powder and $92\times 10^{-6}$ grams of ammonium carbonate. The difference between those amounts consist in subtracting the latter quantity for the former one. That is:

$\Delta m = 92\times 10^{-6}\,g \,-\,3.7\times 10^{-6}\,g$

$\Delta m = 88.3\times 10^{-6}\,g$

The difference in the amounts of carbon powder and ammonium carbonate is $88.3\times 10^{-6}$ grams.

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3 years ago

4x+12=0 what is xequal too

Stells [14]

Answer:

Step-by-step explanation:

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4 years ago

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Radius of cylinder = 5 cm

Kisachek [45]

Answer:

C 1055 04 cm

Step-by-step explanation:

We don't need to see the figure, since we know for sure the cone fits into the cylinder (smaller diameter and height).

So, we first need to calculate the volume of the cylinder, which is given by the formula:

VT = π * r² * h

VT = 3.14 * 5² * 16 = 3.14 * 400 = 1,256 cubic cm

Then we calculate the volume of the cone, which is given by:

VC = (π * r² * h)/3

VC = (3.14 * 4² * 12)/3 = (3.14 * 192)/3 = 200.96 cu cm

Then we calculate the void space left inside the cylinder by subtracting the volume of the cone from the volume of the cylinder:

NV = VT - VC = 1,256 - 200.96 = 1,055.04 cu cm

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3 years ago

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What is the same as 3/5 and 4/7

kkurt [141]

Answer:

These are all the same questions with one answer. 0.6 is greater than 0.571. Therefore, 3/5 is greater than 4/7 and the answer to the question "Is 3/5 greater than 4/7?" is yes.

Step-by-step explanation:

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3 years ago