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ahrayia [7]
3 years ago
5

James left a bin outside in his garden to collect rainwater. He notices that 1/4 gallon of water fills 2/3 of the bin.

Mathematics
2 answers:
GalinKa [24]3 years ago
6 0

Answer:

1 bin holds 3/8 gallons of water.

Step-by-step explanation:

1/4 of a gallon=2/3 of a bin.

x gallon=1 bin

We want to find the value of "x" in this situation.

To make 2/3 equal 1, we have to multiply by 3/2, which uses the inverse property. Since we used the inverse property on the bin, we then have to multiply the gallon, 1/4, by 3/2 because we multiplied the bin by 3/2. 1/4 times 3/2 is 3/8 and 2/3 times 3/2 is 6/6 or 1. so now 3/8 gall=1 bin.  

Therefore, one bin holds 3/8 gallon water.

Karolina [17]3 years ago
5 0
(2/3)x=1/4
x= 3/8

x is the amount of water to fill the whole bin
when 2/3 of the bin is full, you have 1/4
so (2/3) of x is 1/4. then i just solved

hope that helped!
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Find the sum of the first 8 terms in the geometric sequence: 1, 3, 9, 27,
Butoxors [25]

The sum of the first 8 items in the geometric sequence:1, 3, 9, 27, ...etc is 3280.

Step-by-step explanation:

The given is,

            sequence: 1,3,9,21,.. etc

Step:1

           The given is based on multiplication of 3 to previous number,

           ( x - previous number, next number = 3 × x )

            First term : 1

            Second term : 1 × 3 = 3

           Third term : 3 × 3 = 9

            Fourth term : 9 × 3 =27

            Fifth term : 27 × 3 = 81

            Sixth term : 81 × 3 = 243

            Seventh term : 243 × 3 = 729

            Eighth term : 729 × 3 = 2187

Step:2

            Sum of first 8 terms = 1 + 3 + 9 + 27 + 81 + 243 + 729 + 2187

                                              = 3280

            Sum of first 8 terms = 3280

Result:

           The sum of the first 8 items in the geometric sequence:1, 3, 9, 27, ...etc is 3280.

                                       

7 0
3 years ago
PLZ HELP!! WILL MARK BRANLYIST!!! 30 POINTS!!
V125BC [204]

Answer:

The distance between the light and the actor's face is 29.24 ft

Step-by-step explanation:

In the attached photo, you can see where the hypotenuse, the opposite side, and and adjacent side are located from the given angle measurement which is 70°. Our known side length is 10 ft which is our adjacent side and our variable is the hypotenuse. So, we will use <u>cos</u>.

Cos=\frac{adjacent}{hypotenuse}

Let's plug in our numbers and variable.

(Cos)70=\frac{10}{x}

Since our hypotenuse is a variable, we are going to flip the equation so we can find the value of the hypotenuse which is also our variable.

x=\frac{10}{(cos)70}

Divide 10 by (cos)70.

<em>x = 29.24</em>

So, the hypotenuse is 29.24 feet which shows the distance between the light and the actor's face.

8 0
3 years ago
WhT is 6811.09 rounded to the nearest ten
Ede4ka [16]

The answer is 6,811.1

The reason the 0 moved up to a 1 is because the number in the hundredth place was 5 or over. If it were 4 or under, then it would have remained a 0.

8 0
3 years ago
Find the area of the trapezoid. Pls explain and I will mark brainliest.
timama [110]

Answer:

  • B. 191.4 m²

Step-by-step explanation:

Split the trapezoid as pictured below

Find its height and the upper base, then find the area of the trapezoid.

There are 3 pieces, two of them are 45°×45° and 30°×60°×90° triangles

  • The ratio of sides of a 30°×60°×90° triangle is  1 : √3 : 2
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<u>The above mentioned properties give us:</u>

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<u>Now find the area:</u>

  • A = 1/2( 13 + 8 + 13.85 + 13)*8 = 191.4 m²

Correct choice is B

8 0
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Witch of the following could be a horizontal cross-section of a cylinder
vagabundo [1.1K]
The answer is C. Circle

Hope this helps :)
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