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3 years ago

Can someone help me pleaseee

Mathematics

1 answer:

slavikrds [6]3 years ago

7 0

Answer:

£13,831.72

Step-by-step explanation:

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At a food festival, 3/8 of the dishes were from china. Another 12.5% of the dishes were from japan. What percent of the dishes w

MrMuchimi

Answer: 50%

Step-by-step explanation:

Let x = Total dishes.

Dishes from China = $\dfrac38x$

Dishes from Japan = $12.5\% \text{ of }x= 0.125x$

Total dishes from China and Japan = $\dfrac38 x+0.125x=0.375x+0.125x=0.5x$

Dishes from other countries $= x- 0.5x= 0.5x$

Percent of dishes from other countries= $\dfrac{0.5x}{x}\times100\%= 50\%$

Hence, dishes from other countries = 50%

5 0

3 years ago

F(x) =x^6-3x+9 g(x)=3x^3+2x^2-4x-9 Find (f-g)(x)

enyata [817]

Step-by-step explanation:

(f-g)(x)=

$x ^{2} - 3x + 9 - (3 {x}^{3} + 2 {x}^{2} - 4x - 9) = \\ x ^{2} - 3x + 9 - 3 {x}^{3} - 2 {x}^{2} + 4x + 9 = \\ - 3 {x}^{3} - x ^{2} + x + 18$

7 0

3 years ago

Y intercept (3,1) and (-4,-6)?

lana [24]

Answer:

y-intercept: (0, -2)

Step-by-step explanation:

Determine by how much x (the run) and y (the rise) change as you go from (-4, -6) to (3, 1): The change in x is 7 and that in y is also 7. Thus, the slope is

m = 7/7, or m = 1.

Using the point-slope form and the point (3, 1), we get:

y - 1 = 1(x - 3), or y = 1 + x - 3, or y = x - 2

Comparing this to y = mx + b, we see that the y-intercept is -2.

3 0

3 years ago

A central angle, thata, of a circle with radius 16 inches intercepts an arc of 19.36 inches. Find thata.

kaheart [24]

Theta*
$\theta=\frac{19.36}{16}=1.21$ radians.

5 0

4 years ago

Read 2 more answers

Let xy=1 and let dy/dt=5 Find dx/dt when x=5

madreJ [45]

So the first step is to take the derivative of xy=1. Don't forget the product chain rule!

 $xy=1
\\x=5
\\y= \frac{1}{x}=\frac{1}{5}
\\ 
\\\frac{dy}{dt}=5
\\
\\x\frac{dy}{dt}+y\frac{dx}{dt}=0
\\
\\5\times5+ \frac{1}{5} \frac{dx}{dt}=0
\\
\\\frac{1}{5} \frac{dx}{dt}=-25
\\
\\ \frac{dx}{dt}=-125
$

3 0

3 years ago