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liberstina [14]
3 years ago
9

if the breadth of a rectangle is one third of its length and perimeter is 80 cm find the length and breadth of rectangle ​

Mathematics
1 answer:
Airida [17]3 years ago
7 0

here is your answer,

hope it helps you.

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James has a total of 66 dollars in his piggy bank. He only has one dollar bills and two dollar bills in his piggy bank. If there
gavmur [86]

Answer:

32 one-dollar bills.

Step-by-step explanation:

Let <em>x </em>represent one-dollar bills and <em>y </em>represent two-dollar bills.

He has a total of 49 bills. Therefore:

x+y=49

The total amount of money James has is 66. <em>x</em> is worth one dollar, while <em>y</em> is worth two dollars. Therefore:

1x+2y=66\\x+2y=66

We have a system of equations. Solve by substitution:

x+2y=66\\x+y=49\\x=49-y\\(49-y)+2y=66\\y=17\\x=49-17=32

Therefore, James has 32 one-dollar bills and 17 two-dollar bills.

Checking:

32(1)+17(2)\stackrel{?}{=}66\\32(1)+17(2)\stackrel{\checkmark}{=}66\\\\32+17\stackrel{?}{=}49\\49\stackrel{\checkmark}{=}49

5 0
3 years ago
(05.01)Which equation can be used to calculate the area of the shaded triangle in the figure below?
Marina86 [1]

Equation of shaded triangle is \frac{1}{2} (14\times8).

Solution:

Length of the rectangle = 14 ft

Breadth of the rectangle = 8 ft

Area of the rectangle = length × breadth

                                    = 14 × 8

In this rectangle the diagonal splits the rectangle into two equal halves.

Area of the shaded triangle = Half of area of rectangle

                                              $=\frac{1}{2} (14\times8)

Area of the shaded triangle = \frac{1}{2} (14\times8)

Hence the equation can be used to calculate the area of the shaded

triangle is \frac{1}{2} (14\times8).

7 0
3 years ago
Nate has an account that pays 2. 76% simple interest per year and wants to accumulate $3,090 in interest from it over the next 1
lana66690 [7]

We have given that,

interest rate = 2.76%

simple interest = 3,090

term = 15 years

<h3>What is the principle of simple interest?</h3>

Simple Interest = Principal * interest rate * term

3,090 = Principal * .0276 * 15\\3,090 = Principal * 0.414\\3,090 / 0.414  = Principal\\7,463.77 = Principal

Therefore,Nate should invest 7,463.77 to meet his goal.

To learn more about the simple  interest visit:

brainly.com/question/25793394

4 0
2 years ago
Which pyramid has a greater volume and how much greater is its volume?
GenaCL600 [577]

Answer:

The volume of the pyramid on the left is greater by 8 inches.

8 0
3 years ago
Read 2 more answers
What is the solution to the equation 1.6m − 4.8 = −1.6m?
Alla [95]
<span>1.6m − 4.8 = −1.6m
<u>- 1.6m           -1.6m
</u>        -4.8  =  -3.2m
<u>
</u>divide both sides by -3.2

m = 1.5</span>
7 0
3 years ago
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