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1 year ago

Can some one check this please!4 1/3 + 3 1/2= 7 5/6

Mathematics

1 answer:

babunello [35]1 year ago

7 0

yes it is correct

13/3+7/2=47/6

(26+21)/6=47/6

47/6=47/6

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Find the perimeter of the following isosceles triangle. show work

julsineya [31]

Answer

Find out the perimeter of the isosceles triangle.

To prove

As shown in the figure.

P(0,4) , Q(-2,0) and R(2,0) are the vertices of the triangle PQR.

Formula

$Distance\ formula = \sqrt{(x_{2} - x_{1})^{2} +(y_{2} -y_{1})^{2}}$

As P(0,4) and Q(-2,0)

$PQ = \sqrt{(-2 - 0)^{2} +(0 - 4)^{2}}$

$PQ = \sqrt{4+16}$

$PQ = \sqrt{20}\unit$

In the isoceles triangle the two sides of the triangles are equal .

Therefore PQ = PR

$PR = \sqrt{20}\unit$

As Q(-2,0) and R(2,0)

$QR = \sqrt{(2- (-2))^{2} +(0 - 0)^{2}}$

$QR = \sqrt{(4)^{2}}$

QR = 16 unit

$Perimeter\ of\ triangle PQR = \sqrt{20} +\sqrt{20} + 16$

$Perimeter\ of\ triangle PQR = 4\sqrt{5} + 16\ units^{2}$

3 0

3 years ago

Joyce had business cards made through a printing company. They charge an initial fee of $12 and $3.99 for each box of 100 busine

saw5 [17]

Answer:

$31.95

Step-by-step explanation:

The total cost is the initial fee plus the cost of the boxes.

12 + 5×3.99 = 31.95

4 0

3 years ago

50 POINTS PLUS BRAINLIST

MAVERICK [17]

Answer:

20.

As P is the mid point so

2x + 3 = x + 7

transpose

2x - x = 7 -3

x = 4

21.

4x + 3 = 8x - 11

transpose

4x - 8x = -11 -3

-4x = -14

x = 14/4

x = 7/2

x can also be 3.5

22.

7x - 3 = 5x + 2

transpose

7x - 5x = 2 + 3

2x = 5

x = 5/2

x can also be 2.5

6 0

2 years ago

Read 2 more answers

Which expression is equivalent to -80? O -4.5 O-4.5 O 4/5 O 4.5

Snezhnost [94]

Answer:

-4/5

Step-by-step explanation:

When you divide -4 from 5 you get -0.80

8 0

3 years ago

Solve for x 30x=(60)(ЧО)

Tju [1.3M]

Answer:

x = 8

Step-by-step explanation:

30x = (60)(40)

30x = 240 Multiply 60 and 40

x = 8 Divide 30 from both sides

4 0

3 years ago