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valentinak56 [21]
3 years ago
13

One of the legs of a right triangle measures 12 CM and it's hypotenuse Measures 13 CM. find the measure of the other leg. if nec

essary round to the nearest tenth​
Mathematics
2 answers:
MatroZZZ [7]3 years ago
8 0

Answer:

i think the answer is 90cm

Dvinal [7]3 years ago
4 0

its 5

Step-by-step explanation:

pythagoreans theorem or however you spell ts is what you do

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What was the ratio of the number of goggles sold to the number of swimsuits sold?
HACTEHA [7]

Answer: Give me the full answer and i will be able to answer it

Step-by-step explanation:

7 0
2 years ago
A train travels 250 km with a average speed of 75 km/hr and 350 km with 70km/hr and 200 km with average speed of 30km/hr. What w
pentagon [3]

Answer:

53 1/3 km/h

Step-by-step explanation:

average speed = (total distance)/(total time)

average speed = distance/time

time * average speed = distance

time = distance/(average speed)

250 km at 75 km/h

distance = 250 km

time = (250 km)/(75 km/h) = 3.33333... hours

350 km at 70 km/h

distance = 350 km

time = (350 km)/(70 km/h) = 5 hours

200 km at 30 km/h

distance = 200 km

time = (200 km)/(30 km/h) = 6.6666...  hour

total distance = 250 km + 350 km + 200 km = 800 km

total time = 3.33333... hours + 5 hours + 6.66666... hours = 15 hours

average speed = (total distance)/(total time)

average speed = (800 km)/(15 hours)

average speed = 53 1/3 km/h

3 0
3 years ago
What is the <br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B24%7D%20" id="TexFormula1" title=" \sqrt{24} " alt=" \sqrt{24} "
asambeis [7]

4.89897948557 is the answer

4 0
3 years ago
Line Segment BC has endpoints B (3,5) and C (7,15). Find the missing coordinates of A (x,9) and D (17,y) such that AB and CD are
o-na [289]

Answer:

<em>x=-7</em>

<em>y=11</em>

Step-by-step explanation:

<u>Perpendicular Vectors</u>

Two vectors defined as their endpoints \vec u= and \vec v= are perpendicular if their dot product a.b is zero. The dot product is

\vec u.\vec v=ac+bd

In other words

ac+bd=0

Let's treat all the points as the extremes of vectors, so we can easily find the missing coordinates

B (3,5) and C (7,15) define a segment, the vector  

\overrightarrow{BC}==

The point A is A (x,9), we need to form a vector with B

\overrightarrow{AB}==

this vector must be perpendicular to BC, so, applying the dot product we have

4(x-3)+40=0

4x-12=-40

x=-7

The point D is D(17,y), we need to form a vector with C

\overrightarrow{CD}==

this vector must be perpendicular to BC, so, applying the dot product we have

(4)(10)+(10)(y-15)=0

40+10y-150=0

10y=110

y=11

The points are

\boxed{A(-7,9), D(17,11)}

4 0
3 years ago
Jaleah needs some string to make bracelets. She needs
rodikova [14]

Answer:

312

Step-by-step explanation:

3/4 × 32 = 24

9 × 32 = 288

288 +24=312

8 0
3 years ago
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