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siniylev [52]
3 years ago
7

Name one rational number and one irrational number.

Mathematics
1 answer:
prohojiy [21]3 years ago
6 0
0.333 irrational
10 rational
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Help again idk how to do this
creativ13 [48]

Answer:

it's,

( {5}^{3} ) ^{ - 4}  \\

Step-by-step explanation:

( {5}^{3} ) ^{ - 4}  \\  =  {5}^{ - 12}

5 0
3 years ago
Read 2 more answers
Right triangles abc and dbc with right angle c are given below. If cos(a)=15,ab=12 and cd=2, find the length of bd.
dmitriy555 [2]

see the attached figure to better understand the problem

we have that

cos(A)=\frac{1}{5} \\ AB=12\ units\\ CD=2\ units

Step 1

<u>Find the value of AC</u>

we know that

in the right triangle ABC

cos (A)=(AC/AB)\\AC=AB*cos(A)

substitute the values in the formula

AC=12*(1/5)\\ AC=2.4\ units

Step 2

<u>Find the value of BC</u>

we know that

in the right triangle ABC

Applying the Pythagorean Theorem

AB^{2} =AC^{2}+BC^{2}\\ BC^{2}=AB^{2} -AC^{2}

substitute the values

BC^{2}=12^{2} -2.4^{2}\\BC^{2}= 138.24\\ BC=11.76\ units

Step 3  

<u>Find the value of BD</u>

we know that

in the right triangle BCD

Applying the Pythagorean Theorem

BD^{2} =DC^{2}+BC^{2}

substitute the values  

BD^{2} =2^{2}+11.76^{2}

BD=11.93\ units

therefore

<u>the answer is</u>

the length of BD is 11.93 units

8 0
3 years ago
Read 2 more answers
Y=-7 + 2x how to graph
blondinia [14]
I know for 2x you would go up 2 over 1 but I don’t know about -7?? Maybe down
8 0
3 years ago
. The regular price of a scooter is $89.99. The scooter is on sale for 20%
Artyom0805 [142]

Answer:

80

Step-by-step explanation:

3 0
2 years ago
&lt;, &gt;, =
AURORKA [14]
96 fluid ounces < 13 cups
25 pounds > 384 ounces
8 yards = 288 inches

Have a nice day!
6 0
3 years ago
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