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disa [49]
3 years ago
13

What is 10 and 2/5 decimal ?

Mathematics
2 answers:
Bas_tet [7]3 years ago
5 0
Answer: 10 2/5 = 10.40
galben [10]3 years ago
3 0

Answer:

10.40

Step-by-step explanation:

You might be interested in
In the kite , AK=9 , JK=15 , and AM=16 .
Veronika [31]

Answer:

The Length of JM is 20.

Step-by-step explanation:

Given,

JKLM is a kite in which JL and KM are the diagonals that intersect at point A.

Length of AK = 9    

Length of JK = 15  

Length of AM = 16

Solution,

Since JKLM is a kite. And JL and KM are the diagonals.

And we know that the diagonals of a kite perpendicularly bisects each other.

So, JL ⊥ KM.

Therefore ΔJAK is aright angled triangle.

Now according to Pythagoras Theorem which states that;

"The square of the hypotenuse is equal to the sum of the square of base and square of perpendicular".

JK^2=KA^2+AJ^2

On putting the values, we get;

(15)^2=9^2+AJ^2\\\\225=81+AJ^2\\\\AJ^2=225-81=144

On taking square root onboth side, we get;

\sqrt{AJ^2} =\sqrt{144}\\\\AJ=12

Again By Pythagoras Theorem,

AJ^2+AM^2=JM^2

On putting the values, we get;

JM^2=(12)^2+(16)^2\\\\JM^2=144+256=400

On taking square root onboth side, we get;

\sqrt {JM^2}=\sqrt{400}\\\\JM=20

Hence The Length of JM is 20.

4 0
3 years ago
This year the winner of the new york marathon ran the 8 kilometer event in 24 mins. What is the runners unit rate
Nataliya [291]
3km / 1 min because 24/8 =3
6 0
3 years ago
Which angles are supplementary angles?
7nadin3 [17]

Answer:

KJM and KJH

Step-by-step explanation:

Supplementary angles are angles that equal 180 degrees

7 0
3 years ago
Read 2 more answers
What is the product of 5×70
d1i1m1o1n [39]
The answer is 350!! hope i helped
7 0
3 years ago
Read 2 more answers
Mrs. Smith left a 15% tip for a dinner that cost $62.40. About how much tip did Mrs. Smith leave?​
Veronika [31]

<u>Given </u><u>:</u><u>-</u><u> </u>

  • Mrs. Smith left a 15% tip for a dinner that cost $62.40.

<u>To </u><u>find</u><u> </u><u>:</u><u>-</u><u> </u>

  • About how much tip did Mrs. Smith leave?

<u>Solution</u><u> </u><u>:</u><u>-</u><u> </u>

The tip is 15% of $62.40 .

<u>•</u><u> </u><u>Calculating</u><u> </u><u>1</u><u>5</u><u>%</u><u> </u><u>of </u><u>$</u><u>6</u><u>2</u><u>.</u><u>4</u><u>0</u><u> </u>

  • $ 62.40 * 15%
  • $ 62.40 * 15/100
  • $ 9.36
4 0
3 years ago
Read 2 more answers
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