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noname [10]
2 years ago
8

HElpPpPp mEeEe pLeAsE

Mathematics
1 answer:
Ivahew [28]2 years ago
7 0

Answer:

<em>b</em><em> </em><em>=</em><em> </em><em>44</em><em> </em><em>feet</em><em> </em>

Step-by-step explanation:

BY Pythagorus theorem :-

=》

55 {}^{2}  = 33 {}^{2}   + b {}^{2}

=》

3025  = b {}^{2}  + 1089

=》

b {}^{2}  = 3025 - 1089

=》

b {}^{2}  = 1936

=》

b =  \sqrt{1936}

=》

b = 44

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Ryan bought 6 apples and 9 peaches for a total of $7.86. Madi bought 4 apples and 5 peaches for $4.82.
sergey [27]
Let's call:
a = price of 1 apple
p = price of 1 peach

The total cost is the price of 1 apple times the number of apples plus the price of 1 peach times the number of peaches, therefore the system can be:
\left \{ {{6a + 9p = 7.86} \atop {4a + 5p = 4.82}} \right.

Solve for a in the second equation (you can choose to solve for any of the variables in any of the equations, try to understand what is the best):
a = (4.82 - 5p) / 4

Now, substitute in the first equation:
6 · (4.82 - 5p) / 4 + 9p = 7.86
7.23 - (15/2)p + 9p = 7.86
(3/2)p = 0.63
p = 0.42

Now, substitute this value in the formula found for a:
<span>a = (4.82 - 5·0.42) / 4</span>
   = 0.68

Therefore, one apple costs 0.68$ and one peach costs 0.42$.
6 0
3 years ago
20 + 2(3-5)^2 + 30/10 x 3
KonstantinChe [14]

20 + 2*(3-5)^2 + (30/10)*3

20 + (2*[-2])^2 + (3*3)

20 + (-4)^2 + 9

29 + 16

45

Note that * is used to signify multiplication.

5 0
3 years ago
Write a compound inequality to represent all of the numbers between -4 and 6.<br><br>URGENT!!!
tatuchka [14]

Answer:

\boxed{\sf \ -4 \leq x \leq 6 \ }

Step-by-step explanation:

hello

-4 <= x <= 6

or we can say as well

x >= -4 and x <= 6

hope this helps

5 0
3 years ago
Can you help me graph this system of inequalities. And give the coordinates for the set.
vekshin1

Answer:

Here I made a yt vid to explain

Step-by-step explanation:

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3 0
2 years ago
Read 2 more answers
Add 3.2 to the quotient of 8.4 divided by 6. what does it equal?
Aleksandr [31]

Answer:

4.6

Step-by-step explanation:

First term is 3.2

The quotient of 8.4 divided by 6 is:

\frac{8.4}{6}

Add these two results together:

3.2+\frac{8.4}{6}=3.2+1.4=4.6

7 0
3 years ago
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