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vitfil [10]
3 years ago
5

Solve the two step equation 5x-11=34 Show your work

Mathematics
2 answers:
dimaraw [331]3 years ago
7 0

Answer:

×=9

Step-by-step explanation:

5x-11=34

5x=34+11

5x=45

x=9

Mekhanik [1.2K]3 years ago
5 0

Answer:

x = 9

Step-by-step explanation:

5x-11=34       (Add 11 both sides)

5x = 34 + 11  (Add all to 34)

5x = 45        (Divide by 5 on both sides)

x = 9

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A rectangular flower bed is 7 m long. If the boundary
tester [92]

<h2>Given :-</h2>

  • Length of flower bed = 7 m

  • Perimeter of boundary = 22 m

<h2>To Find :-</h2>

  • Breadth
  • Area

<h2>Solution :-</h2>

As we know that

\sf \blue{Perimeter = 2(l + b)}

  • 22 = 2(7 + b)

  • 22 = 14 + 2b

  • 22 - 14 = 2b

  • 8 = 2b

  • \sf \: \dfrac{8}{2} = b

  • \bold{\boxed{b=4}   } 
<h3>Breadth = 4 m.</h3>

Now,

\sf \orange{Area = l \times b}

  • Area = 7 \times 4

  • \sf \: Area = 28 \: {m}^{2}

Area=28\bold{ m^2  } 

5 0
3 years ago
Brian's kite is flying above a field at the end of a 68m string.If the angle of elevation to the kite measures 70 degrees,how hi
Dvinal [7]

Answer:

h = 63.92\ m

Step-by-step explanation:

Given:

Angle of elevation = 70°

Length of string = 68 m

We need to find the height of the kite.

Solution:

Requirement figure attached in file.

Where:

BC = 68 m

AC = h (Height of the kite)

∠ABC = 70°

Using Cosine rule to find the height of the kite.

AC = BC\times sin(70)

h = 68\times 0.94

h = 63.92\ m

Therefore, height of the kite from Brian's head h = 63.92\ m.

4 0
4 years ago
Prove that if d|m and d|n, then d|(m+n)
Mila [183]
d\mid m means to say there is some k_1 such that m=dk_1. Similarly, d\mid n is equivalent to saying there exists k_2[/te]x such that [tex]n=dk_2.

Now, m+n=dk_1+dk_2=d(k_1+k_2)=dk_3, i.e. there is some k_3 such that m+n is a multiple of d, i.e. d\mid(m+n).
5 0
4 years ago
Samatha received $500 as a graduation present and decides to invest it in an account that is
Elan Coil [88]

Answer:

Step-by-step explanation:

m= month

3÷100= 0.03

0.03×500=<u>$15</u>

$15/m

$15×5×12=$900

$500-$900= <u> </u>

<u>Answer: -$400</u>

6 0
4 years ago
What is the value of the unknown number in the verbal description five times the sum of 12 and a number is 80
sweet-ann [11.9K]
5 × (x + 12) = 80

5x + 60 = 80

5x = 20

x= 4
3 0
4 years ago
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