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Wewaii [24]
2 years ago
7

I need help. Plz Help Me, PLZZZZZZZZ

Mathematics
1 answer:
Zanzabum2 years ago
8 0

Answer:

10

Step-by-step explanation:

{14}^{2}  = ( {9}^{2}  +  {x}^{2} )

196 = 81 +  {x}^{2}

196 - 81 =  {x}^{2}

115 =  {x}^{2}

x =  \sqrt{115}

X = 10.7

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5. Maria is tracking the number of miles she runs in one week. She is using the track at her
777dan777 [17]

Answer:

0.00310 miles

Step-by-step explanation:

Maria runs 5 m each week. We need to find how miles she run. It means we need to convert meters to miles. The relation between meter and yards is as follows :

1 meter = 1.09361 yards

Also, 1 mile = 1760 yards

It means,

1 mile = 1609.34 m

1 m = (1/1609.34) miles

5\ m=\dfrac{5}{1609.34}\ \text{miles}\\\\=0.00310\ \text{miles}

So, she will cover 0.00310 miles.

6 0
3 years ago
Which polynomial correctly combines the like terms and puts the given polynomial in standard form? -5x^3y^3+8x^4y^2-xy^5-2x^2y^4
victus00 [196]

Given:

The polynomial is:

-5x^3y^3+8x^4y^2-xy^5-2x^2y^4+8x^6+3x^2y^4-6xy^5

To find:

The simplified form of the given polynomial in standard form.

Solution:

We have,

-5x^3y^3+8x^4y^2-xy^5-2x^2y^4+8x^6+3x^2y^4-6xy^5

Combining the like terms, we get

=-5x^3y^3+8x^4y^2+(-2x^2y^4+3x^2y^4)+8x^6+(-xy^5-6xy^5)

=-5x^3y^3+8x^4y^2+x^2y^4+8x^6-7xy^5

Now, rewrite this polynomial in standard form.

=8x^6+8x^4y^2-5x^3y^3+x^2y^4-7xy^5

Therefore, the required polynomial in standard form is 8x^6+8x^4y^2-5x^3y^3+x^2y^4-7xy^5.

8 0
3 years ago
James types 84 words in 2 minutes he estimates that he has his history essay is 420 words long what is the least amount of time
adell [148]
84 words = 2 min
1 word = 2/84 = 1/42
420 words = 1/42 x 420 = 10 mins


Answer: 10 mins
4 0
3 years ago
PLS HELP ME ASAP
Assoli18 [71]

Answer:

1. 3/6 or 3 out of 6

2. 6 times

3. 50.24mm²

4. 2.4

5. -4/3

6. 6 i think, but i'm not positive on this one

have a wonderful day :)

7 0
3 years ago
A castle has to be guarded 24 hours a day. Five knights are ordered to split each day's guard duty equally. How long will each k
Harman [31]

Answer:

Each knight will guard <u>288 minutes</u> in one day.

Step-by-step explanation:

Given:

A castle has to be guarded 24 hours a day. Five knights are ordered to split each day's guard duty equally.

Now, to find the minutes will each night spend on guard duty in one day.

As, in 1 hour there are 60 minutes.

Thus, in 24 hour there are 60 × 24 = 1440 minutes.

Total minutes for guarding = 1440 minutes.

So, there are knights ordered for guarding are = 5.

And each day's guard duty equally.

Now, to get the minutes will each night spend on guard duty in one day we divide the total minutes for guarding by number of knights that is 5:

1440\div5

=288\ minutes.

Therefore, each knight will guard 288 minutes in one day.

4 0
3 years ago
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