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Inessa [10]
3 years ago
13

HELP !!! Can someone help me solve for x and explain how you did it ;)

Mathematics
1 answer:
Ilya [14]3 years ago
5 0

Answer:

x=10

Step-by-step explanation:

10+2=12

In the small triangle the left side is 3 less than the slanted side and 15-3=12

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The town sam lives in has 48,968 people the time deborah lives in has 73,815 people how many more people live in debra's town
Misha Larkins [42]
73,815 - 48,968 = 24,847
24,847 more people live in Debra's town.
7 0
3 years ago
A bag contains 12 red marbles, 5 yellow marbles, and 15 green marbles. How many additional red marbles must be added to the 32 m
kakasveta [241]

Answer:

= 18 red marbles

Step-by-step explanation:

Let x be the number of red marbles that must be added

Therefore;

New number or red marbles = x+12

Total marbles will be x+32

Thus;

The probability of selecting a red marble = (x+12)/(x+32)

Therefore;

(x+12)/(x+32)=3/5

5(x+12)=3(x+32)

5x+60+3x+96

2x=36

x=18

5 0
4 years ago
Missing side length
Gwar [14]

Answer:

m = 5

Step-by-step explanation:

We are told that the two triangles are similar.  Thus, each side of the larger triangle is the same multiple of the corresponding side in the smaller triangle.

Thus, 12 = k(7.2), where k is the constant of proportionality.

Solving this for k, we get

k = 12/7.2 = 1  2/3

Thus, side m is 1  2/3 times 3, or  5/3 times 3, or just 5.

m = 5

8 0
4 years ago
Consider a cylinder with radius 4 cm and a height of 12 cm. Describe how to calculate the volume of the given cylinder and what
Talja [164]

\bf \textit{volume of a cylinder}\\\\ V=\pi r^2 h~~ \begin{cases} r=radius\\ h=height\\ -----\\ r=\stackrel{cm}{4}\\ h=\stackrel{cm}{12} \end{cases}\implies V=\pi (4)^2(12)\implies V=192\pi~cm^3


192π is about 603.19 cm³.


well, it means if you grab a hmmmm cube, say that is 1cm x 1cm x 1cm, namely a 1cm tall, 1cm wide and 1cm long, whose value is 1cm³, you can fit 603.19 of those in that cylinder.

5 0
4 years ago
What is the 25th term given a₁ = 8 and r = 2?
kondaur [170]

Answer:

134217728

Step-by-step explanation:

The geometric sequence formula is:

\displaystyle{a_n = a_1r^{n-1}}

We know that \displaystyle{a_1=8} and \displaystyle{r=2}, we also want to find the 25th term, substitute n = 25:

\displaystyle{a_{25}=8\cdot 2^{25-1}}\\\\\displaystyle{a_{25}=8\cdot 2^{24}}\\\\\displaystyle{a_{25}=134217728}

Therefore, the 25th term of sequence is 134217728

3 0
2 years ago
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