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Dima020 [189]
3 years ago
8

Which simpler problems could be calculated to solve this problem?

Mathematics
2 answers:
Serggg [28]3 years ago
4 0

Answer:

Option B

Step-by-step explanation:

We first need to calculate the total cost of all the four items then calculate the tip of the total cost. After this we add the tip to the cost of items and calculate change as follows.

Total cost of items

Cost of bottles =3*1.5=$4.5

Cost of sandwitches= $20

Total cost= 20+4.5=$24.5

Tip=0.08*24.5=$1.96

Total=24.5+1.96=26.46

Change= 30-26.46=$3.54

postnew [5]3 years ago
4 0

Step-by-step explanation:b

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If f(x) = –3x + 3, then f-1 (x) =<br> ??
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Jamie had $37 in his bank account on Sunday the table shows his account activity for the next 4 days what was the balance and Ja
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5 0
3 years ago
another rectangle has length and width in the ratio of 3:2. If the length is increased by eight and the width is increased by 50
Andreyy89

Answer:

Area of the new rectangle  = 148.8 cm square

Step-by-step explanation:

Let x be the dimensions of the rectangle then the

Perimeter of the Original rectangle= 2(L+B)

                                                   = 2 ( 3x+2x) = 2(5x)= 10xcm

If the length is increased by eight the new length would be 3x+ 8

and width would be 2x+x= 3x after 50 % increase

Perimeter of the new rectangle= 2(L+B)

                                                     = 2 ( 3x+8 +3x)

                                                       = 2 (6x+8)

                                                       = 12x + 16

Ratio of the new perimeter to the original perimeter is

             New perimeter :   Original perimeter

                8                      : 5

           12x+ 16                   : 10x cm

80x= 60x + 16

20x= 16

x= 16/20= 4/5

Putting the value of length and breadth in place of x

Area of the new rectangle = L*B =  3 * (4/5) +8 *3(4/5)=

                                                                 = 12+ 40/5 * 12/5

                                                                   = 62/5* 12/5

                                                                     = 744/5

                                                                   = 148.8 cm square

8 0
3 years ago
Triangle M N O is shown. Angle O N M is a right angle. Angle N O M is 40 degrees and angle L M N is 50 degrees.
Furkat [3]

Given:

In triangle MNO, angle ONM is a right angle. Angle NOM is 40 degrees and angle LMN is 50 degrees.

To find:

The value of cos(M).

Solution:

In a right angle triangle,

\cos \theta=\dfrac{Base}{Hypotenuse}

Draw a diagram using the given information.

In triangle MNO, angle ONM is a right angle so its opposite side MO is the hypotenuse. For vertex M, MN is the base of the triangle. So,

\cos (M)=\dfrac{MN}{MO}

Therefore, the correct option is B.

5 0
3 years ago
Read 2 more answers
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