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3 years ago

The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal

Mathematics

1 answer:

Schach [20]3 years ago

3 0

Answer: $80.44

Step-by-step explanation:

First of all, find 20% of 78.86, which is approximately 15.77.

Then, add it to the cost of the meal.

Finally, discount 15% of 94.63, which is approximately $14.19, and then subtract it from $94.63, and there's your answer.

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an art student wants to make a model of an ancient building. the length of the building is 1.6 times its width. The length of th

Ludmilka [50]

I think it would be 17.5in

Hope this helps!!

3 0

3 years ago

An investor invested a total of $2500 in two mutual funds. One fund earned a 5% profit while the other earned a 3% profit. If th

7nadin3 [17]

Answer:

$500 and $2000

Step-by-step explanation:

Let x represent the total investment = $2500

also, this total is split into two different funds

Lets represent these funds as a and b, such that fund a yields a profit of 3% and fund b yield a profit of 5%

So,

a + b = x

a + b = 2500 ......eq 1

Profit from each fund gives;

0.03 a + 0.05b = 115 ....eq 2

Solve simultaneously using substitution method

From eq 1;

b = 2500 - a

Slot in this value in eq 2

0.03a + 0.05 (2500 - a) = 115

expand

0.03a + 125 - 0.05a = 115

collect like terms

0.03a - 0.05a = 115 - 125

-0.02a = -10

Divide both sides by -0.02

a = $500

Put this value of a in eq 1

500 + b = 2500

Subtract 500 from both sides

b = 2500 - 500

b = $2000

3 0

3 years ago

A toy company produces two kites whose shapes are geometrically similar. Find the length of the missing side of the smaller kite

docker41 [41]

M=30/22,5=1,33
m=25/x=1,33. ...>x=25/1,33=18,7

5 0

3 years ago

A deep sea diver is 4.5m below the water level At what depth he is now ? At what height is he now

oee [108]

Answer:

Step-by-step explanation:

Below the sea level should be mentioned by negative value

So, It is = - 4.5

7 0

3 years ago

HD Straight line graphs

Taya2010 [7]

Answer:

The equation of the sraight line 3x- y+ 6 =0

Step-by-step explanation:

Explanation:-

Given that the gradient of the function

|gradf| = 3 and point (-1,3)

Given that the slope of the line

m = 3

The equation of the straight line passing through the point(-1,3) and slope m =3

$y -y_{1} = m(x-x_{1} )$

y-3 = 3(x-(-1))

y-3 = 3x+3

3x +3-y+3=0

3x- y+ 6 =0

Final answer:-

The equation of the sraight line 3x- y+ 6 =0

5 0

3 years ago