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3 years ago

Solve for d. Show each step: d(e-f)=g

Mathematics

1 answer:

Fofino [41]3 years ago

3 0

Hey there!!

Given equation :

d(e-f) = g

Solve for d :

Dividing by ( e - f ) on both sides :

d = g / e - f which is $d=\frac{g}{e-f}$

Hope my answer helps!

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AB¯ is the diameter of circle T. Point A is located at (-4,2) and point B is located at (2,-8). What are the coordinates of the

postnew [5]

Centre is at the middle or the midpoint of the diameter.

And the formula of midpoint is

$( \frac{x_{1} +x_{2}}{2},\frac{y_{1} +y_{2}}{2})$

For the given question, x1=-4, y1=2, x2=2, y2=-8

So we will get

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And that's the required centre .

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3 years ago

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The side of a triangles are 8cm,12cm,17cm.find its perimeter and its are by using herons formula

Novay_Z [31]

Answer:

see explanation

Step-by-step explanation:

The perimeter is the sum of the 3 sides, that is

perimeter = 8 + 12 + 17 = 37 cm

To use Heron's formula for area (A)

A = $\sqrt{s(s-a)(s-b)(s-c)}$

where a, b and c are the lengths of sides and s the semi perimeter

s = 37 ÷ 2 = 18.5

let a = 8, b = 12 and c = 17, then

A = $\sqrt{18.5(18.5-8)(18.5-12)(18.5-17)}$

= $\sqrt{18.5(10.5)(6.5)(1.5)}$

= $\sqrt{1893.9375}$ ≈ 43.52 cm² ( to 2 dec. places )

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4 years ago

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Jay went to an amusement park. The park charges an entrance fee of $10.50 and $4.50 for every ride. Jay spent $46.50 on entrance

Brilliant_brown [7]

Answer:

Let total number of rides be represented by x

And total amount spent on the ride and entry fees be y

Entry fees of the park = $10.50

Also, Charge for each ride is given to be $4.50

So, The linear function which describes the situation :

y = 10.50 + 4.50x

Now, Its given that Jay spent a total of $46.50 in the park

So, to find total number of rides taken substitute y = 46.50 in the above linear equation.

⇒ 46.50 = 10.50 + 4.50x

⇒ 4.50x = 36

⇒ x ≈ 8

Thus, Number of rides taken = 8

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3 years ago

PLEASE HELP

chubhunter [2.5K]

I believe a,d,e,f are yo answers

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4 years ago

What is the value of x in the solution to this system of equations?

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1) X=22/3 + 5y/3
2) x=-y/5 + 32/5

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3 years ago