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Veronika [31]
3 years ago
8

A gallon of paint covers 1 1/3 walls. How many gallons does it take to cover 1 wall? How about 3 walls?

Mathematics
1 answer:
Alekssandra [29.7K]3 years ago
6 0

Answer:

1 wall is 0.75 gallons. 3 walls is 2.25 gallons.

Step-by-step explanation:

if 1 gallon covers 1 1/3 wall, divide 1/1.3333 = 0.75

multiply 0.75(1 wall) by 3.... 0.75×3=2.25

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If cos(t)= <img src="https://tex.z-dn.net/?f=-%5Cfrac%7B4%7D%7B9%7D" id="TexFormula1" title="-\frac{4}{9}" alt="-\frac{4}{9}" al
Anna35 [415]
<h3>Answer:</h3><h3>cos(-t) = -4/9</h3><h3>sec(-t) = -9/4</h3>

Explanation:

Since cosine is an even function, we can say cos(-t) = cos(t) for all values of t. So this explains why cos(-t) = cos(t) = -4/9. No change happens.

To find the secant value, we apply the reciprocal. This is because sec = 1/cos. So that's how -4/9 flips to -9/4.

8 0
3 years ago
Macry has made 24 snowflakes.if she makes 4 more,how many snowflakes will she have made?
kirza4 [7]
She has made 28 snowflakes.
8 0
3 years ago
The data set shows the number of hours per week that each student in a class spends studying at home. What is the shape of the d
AVprozaik [17]

Answer:

The answer is symmetrical

Step-by-step explanation:

            x

        x  x  x

    x  x  x  x  x

x   x  x  x  x  x  x

___________________________

1   2  3  4  5  6 7

4 0
3 years ago
Item 2
Inessa05 [86]

The question is an illustration of a division model.

The boxes will be completed with: 1650, 231, 50 and 7

The expression is represented as:

\mathbf{1881 \div 33}

Express 1881 as 1650 + 231.

\mathbf{1881 \div 33 = (1650 + 231) \div 33}

Split

\mathbf{1881 \div 33 = 1650 \div 33 + 231 \div 33}

Evaluate each division

\mathbf{1881 \div 33 = 50 + 7}

\mathbf{1881 \div 33 = 57}

The above illustration means that, the boxes will be completed with the following numbers

  • 1650
  • 231
  • 50
  • 7

See attachment for proper illustration

Read more about division models at:

brainly.com/question/15163437

8 0
2 years ago
Please help, seriously confused
Rufina [12.5K]
Original height = original width = x mm

1. She made an enlarged copy...
height = 2x
width = 2x

2. She cut off a rectangle...
height = 2x
width = \frac{2}{3} *2x= \frac{4}{3}x

3.She doubled the width...
height = 2x
width = 2*\frac{4}{3}x = \frac{8}{3}x

height * width = area

2x * \frac{8}{3}x=139 \ 968  \\ \\ \frac{16}{3}x^2= 139 \ 968 \\\\ x^2=139 \ 968: \frac{16}{3}=139 \ 968 * \frac{3}{16}=  8 \ 748*3 = 26 \ 244 \\  \\ x= \sqrt{26 \ 244} = 162 \ mm

Original height was 162 mm 
6 0
3 years ago
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