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2 years ago

Lin paid $94 for 6 meals. How much would 9 meals cost?

Mathematics

2 answers:

Alex_Xolod [135]2 years ago

7 0

Answer:

140.4

Step-by-step explanation:

ryzh [129]2 years ago

5 0

Answer:

$141.01 and if it is the nearest whole number it would be $141

Step-by-step explanation:

first you have to do 94 divided by 6. you do this to see how much 1 meal cost.

then you get: 15.67

now you take 15.67x3=47.01

cuz we need 3 more meals. we know this cuz we have 6 and want 9 so 6-9 is 3.

now we take 47.01+94=141.01

we just need to add 3 to the 6 we have to make 9 meals.

so your answer would be $141.01

plz give brainliest!

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What is the missing constant term in the perfect square that starts with x2+18xx^2+18xx2+18xx, squared, plus, 18, x ?

katrin2010 [14]

Answer:

Step-by-step explanation:

Given the expression: $x^2+18x$

To make it a perfect square, we follow the following steps.

Divide the coefficient of x by 2

Coefficient of x=18, 18/2=9

Square It

9 X 9=81

Add it to the expression

$x^2+18x+81$

This is written as a perfect square as: $(x+9)^2$

The constant term required therefore is 81.

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3 years ago

Read 2 more answers

Find the volume of the solid generated when R (shaded region) is revolved about the given line. x=6−3sec y, x=6, y= π 3, and

Dmitrij [34]

Answer:

$V=9\pi\sqrt{3}$

Step-by-step explanation:

In order to solve this problem we must start by graphing the given function and finding the differential area we will use to set our integral up. (See attached picture).

The formula we will use for this problem is the following:

$V=\int\limits^b_a {\pi r^{2}} \, dy$

where:

$r=6-(6-3 sec(y))$

$r=3 sec(y)$

a=0

$b=\frac{\pi}{3}$

so the volume becomes:

$V=\int\limits^\frac{\pi}{3}_0 {\pi (3 sec(y))^{2}} \, dy$

This can be simplified to:

$V=\int\limits^\frac{\pi}{3}_0 {9\pi sec^{2}(y)} \, dy$

and the integral can be rewritten like this:

$V=9\pi\int\limits^\frac{\pi}{3}_0 {sec^{2}(y)} \, dy$

which is a standard integral so we solve it to:

$V=9\pi[tan y]\limits^\frac{\pi}{3}_0$

so we get:

$V=9\pi[tan \frac{\pi}{3} - tan 0]$

which yields:

$V=9\pi\sqrt{3}$ ]

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3 years ago

2y+3x=90 what is x and y

yan [13]

If x=-6 then y=54.
If x=-4 then y=51.
If x=-2 then y=48.
If x=0 then y=45.
If x=2 then y=42.
If x=4 then y=39.
If x=6 then y=36.

There are an infinite variety of pairs of numbers for 'x' and 'y'
that can make that equation true.

You can use that equation to draw a line on a graph. Then
EVERY point on the line is a solution to the equation.

'x' and 'y' don't have single values unless you have TWO equations.

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2 years ago

A used car has a value of 15,250 when it’s purchased in 2012. The value of the car decreases at a rate of 7.5% per year

kotegsom [21]

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y = 15250*(1 - 0.075)^8

y = $8,173.42

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2 years ago

The pH of 0.0001 M solution of Ca(OH)2 is

12345 [234]

Step-by-step explanation:

Since Ca(OH)2 is Basic, we need to find pOH:

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pOH = - log(0.0001)

pOH = - ( - 4)

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Since, pH + pOH = 14

Therefore,

pH of 0.0001M sol. of Ca(OH)2 = 10

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3 years ago