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krek1111 [17]
2 years ago
8

Combine like terms. 8x-x

Mathematics
2 answers:
Lelu [443]2 years ago
4 0
[tex]8x - x \\ 8 (0)


hope this help
brainliest plz
Oksanka [162]2 years ago
4 0

Note that both have the same amount and the same variable, "x"

Combine the two terms. Subtract

8x - x = 7x

7x is your answer

~<em>La Pucelle</em>

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On a piece of paper, use a protractor to construct a triangle with angle measures of 100° and 30°.
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The third angle measures 50° and all sides have different lengths.

<h3>What is a triangle?</h3>

A triangle is a polygon with three sides and three angles. Types of triangles are<em> isosceles, equilateral, scalene and right angled.</em>

The sum of angles in a triangle is 180 degrees.

A triangle with angle measures of 100° and 30°, let x represent the third angle, hence:

x + 100 + 30 = 180° (sum of angles in a triangle)

x = 50°

Also, all sides have different lengths since all the angles are different.

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Anthony is laying concrete for a driveway. The driveway is to be 24 feet long by 11 feet wide by 8 inches deep. Answer parts (a)
Sergeu [11.5K]

Answer:

a) The volume of concrete needed in cubic feet is 2,112. b) The number of cubic yards of concrete needed in cubic yards is about 79. c) The cost of the concrete using cubic yards is $2,844.

Step-by-step explanation:

a) The formula of the volume is l*w*d. 24 * 11 * 8 = 264 * 8 = 2,112.

b) The way to find this is that you take 2,112 and divide it by 27. Since the answer is 78.2 repeating, you round it up to 79 so it will fill up all of the concrete.

c) Since you need 79 cubic yards of concrete, you do 79 multiplied by $36 to get the total cost of $2,844.

3 0
3 years ago
Seth made 5 identical birdhouses in 4 hours what fraction of an hour to take Seth to make 1 birdhouse explain why your answer is
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2 years ago
Jack and Julio each improved their yards by planting daylilies and geraniums. They bought their supplies from the same store.
o-na [289]

Cost of one daylily is $2 and cost of one geranium is $4.

Step-by-step explanation:

Let,

Cost of one daylily = x

Cost of one geranium = y

According to given statement;

x+5y=22    Eqn 1

13x+y=30    Eqn 2

From Eqn 1;

x=22 - 5y

Putting this value of x in Eqn 2;

13(22-5y)+y=30\\286-65y+y=30\\-64y=30-286\\-64y=-256

Dividing both sides by -64

\frac{-64y}{-64}=\frac{-256}{-64}\\y=4

Putting y=4 in Eqn 1

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Cost of one daylily is $2 and cost of one geranium is $4.

Keywords: linear equation, substitution method

Learn more about substitution method at:

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#LearnwithBrainly

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