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Igoryamba
3 years ago
10

Hi can some one please help me with question b please

Mathematics
1 answer:
creativ13 [48]3 years ago
7 0

Answer:

a=28200

b=39200

Step-by-step explanation:

ok use google

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Answer:

30% chance of them both happening

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Prism A is similar to prism B. Find the volume of prism B if the volume of prism A is 4320 cm3
pickupchik [31]
k=\dfrac{a_A}{a_B}\\
k=\dfrac{12}{6}\\
k=2\\
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7 squared by 2 +3(4 squared by 2 +3+2)
VLD [36.1K]

Answer:

The answer of the given expression is \frac{127}{2}.

Step-by-step explanation:

Given \frac{7^2}{2}+3(\frac{4^2}{2}+3+2).

Step 1 : Firstly we have to solve for brackets, adding the fraction with digits. For this we have to multiply 3 and 2 by 2 by 2 which gives the same denominator.

\frac{4^2}{2}+3+2=\frac{16}{2}+3+2\\\frac{16}{2}+\frac{3\times2}{2}+\frac{2\times2}{2}= \frac{16}{2}+\frac{6}{2}+\frac{4}{2}=\frac{26}{2}

Step 2 : Fraction under the brackets is solved now we have to multiply the result with 3 to remove the brackets.

\frac{26}{2}\times3=\frac{78}{2}

Step 3 : Now we have  an expression with same denominator, here simply add and we get the result.

\frac{7^2}{2}+\frac{78}{2}=\frac{49}{2}+\frac{78}{2}=\frac{127}{2}

Hence the solution for given expression is \frac{127}{2}.

3 0
4 years ago
The length of a rectangle is 2cm greater than the width. If the width is increased by 4cm, the area is increased by 88cm^2. Find
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Step-by-step explanation:

l = length

w = width

l = w + 2

l×w = area = (w + 2)×w = w² + 2w

l×(w + 4) = area + 88

(w + 2)×(w + 4) = w² + 2w + 88

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6w + 8 = 2w + 88

4w = 80

w = 20 cm

l = w + 2 = 20 + 2 = 22 cm

the original length is 22 cm.

the original width is 20 cm.

the original area (22×20) is therefore 440 cm².

the new area (22×24) would be 528 cm².

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3 years ago
Find an equation of the set of all points equidistant from the points a(−1, 6, 3) and b(4, 3, −2).
sergejj [24]
Hello :
the set of all points M (x,y) equidistant from the points A(−1, 6, 3)
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3 0
4 years ago
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