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ICE Princess25 [194]
3 years ago
5

Cole bought 10 gallons of gas at the gas station with the lowest price.(the lowest price is $3.57 each gallon.) he paid with $40

. How much was his change
PLEASE HELP ME
Mathematics
1 answer:
Readme [11.4K]3 years ago
7 0
$4.30
Do ten times $3.57 and subtract it from $40
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PLZ HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Zarrin [17]

Answer:

180

Step-by-step explanation:

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3 years ago
A ladder is placed 10 feet away from a tree. The length of the ladder is 25 feet. Find the height of the tree?
Dimas [21]

Answer:

23ft approx

Step-by-step explanation:

Given data

Distance from tree= 10ft

Length of ladder= 25ft

We can find the height of the tree by applying the Pythagoras theorem

z^2= x^2+y^2

z= The height of the ladder

x= The distance from the tree

y= The height of the tree

25^2= 10^2+ y^2

625=100+y^2

625-100=y^2

525=y^2

y= √525

y= 22.91

Hence the height of the tree is 23ft approx

7 0
3 years ago
Help me with this geometry
KiRa [710]

Answer:

x= (5X+3) DEGREES = 90 degrees (right angle)

5x=90 degrees - 3 degrees =87 degrees

5x÷5 =87 degrees ÷ 5

x=17.4 degrees

we now know our angles x = 17.4 degrees so we can know substitute into the give formula

wxz=5 (17.4)+ 3

wxz =90 degrees

zxy=we know the size of x

zxy=

8 (17.4)-4

zxy=135.2 degrees

6 0
3 years ago
Ginger make pies and sells them for $14 each. What equation if y represents the money and x represents the number of pies sold
BlackZzzverrR [31]

Answer:

y = 14x

Step-by-step explanation:

The equation is as follows:

Let us assume x be the number of pieces sold

And, the y be the money

Also the selling price be $14 each

So, the equation is

y = 14x

5 0
3 years ago
Determine the dimensions of a rectangular solid (with a square base) with maximum volume if its surface area is 529 square meter
Zielflug [23.3K]

Answer:

x=23/\sqrt{6},

y= \frac{23}{6\sqrt{6}}

Step-by-step explanation:

From the question we are told that

Surface area is 529 square meters

Generally the dimensions of the cuboid

v=x^y

D=4xy+2x^2 =529

V=x^29(\frac{529-6x^2}{4x})

V' =529-6x^2/4

v'=0

Therefore

529=6x^2

x=\sqrt{\frac{529}{6} }

x=23/\sqrt{6}

Mathematically

v''=\frac{12x}{4}

v''=-3\frac{23}{\sqrt{6} }

y= \frac{529-2*(\frac{529}{6} }{4*\frac{23}{\sqrt{6} } }

y= \frac{23}{6\sqrt{6}}

Therefore

x=23/\sqrt{6}

and

y= \frac{23}{6\sqrt{6}}

7 0
3 years ago
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