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Genrish500 [490]
3 years ago
13

If l=5 and b=3 find the value of 2 (l+b)​

Mathematics
2 answers:
Gre4nikov [31]3 years ago
8 0

Answer:

16

Step-by-step explanation:

2 (l+b)​

Let l=5 and b=3

2 (5+3)​

Parentheses first

2(8)

Multiply

16

fiasKO [112]3 years ago
5 0

Answer:

16

Step-by-step explanation:

Plug in:

2 (l + b)

2 (5 + 3)

2 (8)

 16

Hope this helped.

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You and three friends go out to dinner. The cost of the dinner was $112.80. You leave an 18% tip. How much is your tip?
34kurt

Answer:

Bill

112.80

Tip %

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Number of people

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$4.23

Total

per person

$32.43

Step-by-step explanation:

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2 years ago
Write the trinomial as a square of a binomial.<br><br> x²+2xy+y^2
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The answer is (x+y)^2
Hope this helps!!

7 0
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Victor is making lemonade. His first recipe calls for 2 cups of water and the juice from 12 lemons. His second recipe says he wi
Sphinxa [80]

Answer:

B. recipe 1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
2. A square-based tent has the cross-sectional
ollegr [7]

(a) Length of the height is 2.732 m

(b) Length of the base is 5.466 m

<u>Explanation:</u>

An image is attached for reference.

(a)

In ΔAOB,

sin 30^o = \frac{AO}{AB} \\\\0.5 = \frac{AO}{2} \\\\AO = 1 m

In ΔBGD,

sin 60^o = \frac{BG}{BD} \\\\0.866 = \frac{BG}{2} \\\\BG = 1.732 m

According to the figure, BG = OE = 1.732 m

Height of the tent, AE = AO + OE

                                  = 1 m + 1.732 m

                                  = 2.732 m

(b)

DF = ?

In ΔAOB,

tan 30^o = \frac{AO}{OB} \\\\0.577 = \frac{1}{OB} \\\\OB = 1.733 m\\\\\\

According to the figure, OB = GE = 1.733 m

In ΔBGD,

tan 60^o = \frac{BG}{DG} \\\\1.732 = \frac{1.732}{DG}\\ \\DG = 1m

According to the figure, DE = DG + GE

                                      DE = 1 m + 1.733 m

                                     DE = 2.733 m

Length of the base, DF = 2 X DE

                              DF = 2 X 2.733 m

                               DF = 5.466 m

8 0
3 years ago
Please help me with this !
baherus [9]

M-N is M-N=2x^2+11x-9

Option B is correct.

Step-by-step explanation:

If M=5x^2+7x-4 and N=3x^2-4x+5 then find M-N

We need to subtract N from M

We will combine like terms (terms having same variable and exponent) and then solve them:

M=5x^2+7x-4

N=3x^2-4x+5

M-N=5x^2+7x-4-(3x^2-4x+5)\\M-N=5x^2+7x-4-3x^2+4x-5\\Combining\,\,like\,\,terms:\\M-N=5x^2-3x^2+7x+4x-4-5\\M-N=2x^2+11x-9

So, M-N is M-N=2x^2+11x-9

Option B is correct.

Keywords: Solving Polynomials

Learn more about Solving Polynomials at:

  • brainly.com/question/11207748
  • brainly.com/question/1332667
  • brainly.com/question/1357167

#learnwithBrainly

6 0
3 years ago
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