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3 years ago

9

Emily has 5 subway sandwiches that are equal in size. Emily will share the sandwiches equally among herself and 7 friends. What

fraction of a whole sandwich will each child receive?

2 answers:

Zina [86]3 years ago

7 0

5/8 herself + friends

Debora [2.8K]3 years ago

6 0

5/8 herself+ her friends

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Shawntelle is solving a problem involving a triangular pyramid. You hear her say that "bee" is equal to 24 inches. How can you t

Harman [31]

Shawntelle must be talking about the base (B) of the triangle. This is because the base area (B) of the pyramid is area, so the unit must be INCHES SQUARED, not inches. However, the base of the triangle is a one-dimensional line and so can be described by length in inches.

Answer: base of triangle

6 0

3 years ago

If you started counting when you first learned how to count and then counted by ones, eight hours a day, 5 days a week for 50 we

xenn [34]

Answer:

The number they would count is $\approx 0.49\cdot10^{-2}\ \%}$

Step-by-step explanation:

One mole is equal to 6.02214076x10^23 particles. In order to know the number counted by every human on Earth we simply multiply the number of humans times the count a "good counter" can achieve, 4x10^9x7.44x10^9 (for USA, change to 4x10^12 if you use de British English definition). Thus:

$\displaystyle{\frac{4\cdot10^9\cdot7.44\cdot10^9}{6.02214076\cdot10^{23}}=\frac{2.976\cdot 10^{19}}{6.02214076\cdot10^{23}}\approx 0.49 \cdot 10^{-4}\approx 0.49\cdot10^{-2}\ \%}$

6 0

3 years ago

X2 -5x+6<br> To solve a quadratic equation, start by factoring,

Y_Kistochka [10]

Answer:

$x=2$ OR $x=3$

Step-by-step explanation:

Given equation:

$x^2 -5x+6=0$

Solving the equation for 'x':

Using factorization method:

$x^2-2x-3x+6=0$

Making the factors by taking common:

$x(x-2)-3(x-2)=0\\(x-2)(x-3)=0$

$x-2=0\\\\x=2$

OR

$x-3=0\\\\x=3$

3 0

3 years ago

Acompact disc box is 11.5 cm long,7 cm wide and 1.5 cm tall. What is the total surface area of a stack of five such compact disc

REY [17]

Answer:

<em>1,172.5cm²</em>

Step-by-step explanation:

Total surface area of a box = 2(LW + WH + LH)

L is the length = 11.5cm

W is the width = 7cm

H is the height = 1.5cm

Substitute

TSA = 2(11.5(7) + 7(1.5) + (11.5)(1.5))

TSA = 2(80.5+10.5+17.25)

TSA = 2(117.25)

TSA = 234.5cm²

<em>Hence the total surface area of a stack of five such compact disc boxes will be 5(234.5) = 1,172.5cm²</em>

5 0

3 years ago

Please help In the sequence below the first term is 2 and each term after the first is k times the preceding term where k is a c

Maslowich

Apparently k=6. It doesn't say it in the question, but I'll assume that you had a mistype and forgot to say that the second term is 12.
Anyway,
The nth term of a geometric sequence is $a_{1}* k^{n-1}$ . Thus, the 52nd term would be $2* k^{51}$ and the 50th term would be $2* k^{49}$ When you divide the two, the 2's would cancel out and k^49 would cancel out, leaving you with 1 on the bottom and k^2 on the top. As we said at the beginning, k=6, so our answer is just 6*6=36.

8 0

4 years ago

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