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Serhud [2]
4 years ago
6

Where root of 10 has rational or irrational

Mathematics
2 answers:
Alona [7]4 years ago
7 0
Square root of 10 is irrational because it has a decimal unlike square root of 9 which does not have a following decimal
Vikki [24]4 years ago
3 0
10 because every whole number is a rational number.
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Theo has $5 more than Denise and Denise has $11 more than Rudy. Together they have $45. How much money does Denise have?
Blizzard [7]
Let
x------> amount of money Theo has
y------> amount of money Denise has
z------> amount of money Rudy has

we know that
x+y+z=$45-----> equation 1
x=5+y-----> equation 2
y=11+z----> equation 3

substitute equation 2 in equation 1
[5+y]+y+z=45-------> 2y+z=40-----> equation 4

y=11+z----> equation 3
2y+z=40-----> equation 4

resolves the equations system
using a graph tool
see the attached figure

the solution is
y=17
z=6
x=5+y----> x=5+17----> x=22

the answer is
<span>Denise has $17</span>

6 0
3 years ago
Hello :) how to do question 23 ?
Shalnov [3]

suggestions math away or algebra calculator

4 0
3 years ago
Can u guys please be a good people and help me. I’m so cunfused
solmaris [256]

Answer:

X = 9.85

Step-by-step explanation:

You divide 51.22 by 5.2 to get x

51.22 divided by 5.2 = 9.85

4 0
4 years ago
Read 2 more answers
Which expressions show repeated multiplication? Check all that apply.
Westkost [7]

Answer:

Step-by-step explanation:

2,3 and 5

3 0
4 years ago
How do I work out these?...<br><br> P(7p-3)<br><br> 3(2y-1) +2 (3y+1) =<br><br> U(3u+2)+2u(u-1)=
Zarrin [17]
<span>1)     p<span>(<span><span>7p</span>−3</span>)
</span></span><span>       =<span><span>(p)</span><span>(<span><span>7p</span>+<span>−3</span></span>)
</span></span></span><span>       =<span><span><span>(p)</span><span>(<span>7p</span>)</span></span>+<span><span>(p)</span><span>(<span>−3</span>)
</span></span></span></span><span>       =<span><span>7<span>p2</span></span>−<span>3<span>p
Answer is: 7p2-3p

2)     3(2y-1)+2(3y+1)
    Distribute:
             =(3)(2y)+(3)(-1)+(2)(3y)+(2)(1)
 
       Combine Like Terms:
              =6y+-3+6y+2
              =(6y+6y)+(-3+2)
              =12y+-1
Answer is:  12y-1

3)     </span></span></span></span><span>u<span>(<span><span>3u</span>+2</span>)</span></span>+<span><span>2u</span><span>(<span>u−1</span><span>)
</span></span></span><span> Distribute:
  </span>=<span><span><span><span><span>(u)</span><span>(<span>3u</span>)</span></span>+<span><span>(u)</span><span>(2)</span></span></span>+<span><span>(<span>2u</span>)</span><span>(u)</span></span></span>+<span><span>(<span>2u</span>)</span><span>(<span>−1</span><span>)
</span></span></span></span>=<span><span><span><span><span>3<span>u2</span></span>+<span>2u</span></span>+<span>2<span>u2</span></span></span>+</span>−<span>2<span>u
</span></span></span><span>Combine Like Terms:
</span><span><span><span>3<span>u2</span></span>+<span>2u</span></span>+<span>2<span>u2</span></span></span>+<span>−<span>2<span>u
</span></span></span><span>(<span><span>3<span>u2</span></span>+<span>2<span>u2</span></span></span>)</span>+<span>(<span><span>2u</span>+<span>−<span>2u</span></span></span><span>)
</span></span>5<span>u<span>2
</span></span><span>
The answer is: </span>5<span>u and the unit of 2</span>
5<span>u<span>2</span></span><span>

</span>
7 0
4 years ago
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