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Afina-wow [57]
3 years ago
7

Raquel went to Wellers department stores one day sale she bought two blouses for $38 each and a pair of shoes for $49 she also w

anted to buy some jewelry each item of Jewelry was bargain price at $11.50 each if she bought $171 with her how many pieces of jewelry could she buy
Mathematics
2 answers:
Svetlanka [38]3 years ago
4 0
She can buy 4 pieces of jewelry she boght 2 blouses for $38 38+38=76 and buys a pair of shoes for $49 76+49=125 so 171-125=46 so then just divide 46 and 11.5 which equals 4.
Oxana [17]3 years ago
3 0
38+38+49+11.5x≤171
125+11.5x≤171
11.5x≤46
x≤4

Answer:She could buy 4 pieces of jewlery

Hope this helps:)
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1. A motorboat travels 196 meters in 20 seconds. What is the motorboat's unit rate of speed?
dezoksy [38]

Answer:

196: 9.8

20: 1

x= 9.8 meters in 1 second

Step-by-step explanation:

This can be determined by following writing equal ratios that represent a word problem. Then, the denominator must be divided from the numerator to get the unit rate/ meters per second.

3 0
2 years ago
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Maricella solves for x in the equation 4x-2(3x-4)+4=-x+3(x+1)+1. She begins by adding –4 + 4 on the left side of the equation an
Elodia [21]

Maricella’s strategy is incorrect as the values added on the left and right side of the equation changes the original equation 4x-2(3x-4)+4=-x+3(x+1)+1  to  4x-2(3x-4)+4=-x+3(x+1)+3.

Further explanation:

Maricella begin by adding -4+4 on the left side of the equation and 1+1 on the right side of the equation 4x-2(3x-4)+4=-x+3(x+1)+1.

The value added on the left is equal to zero so it does not change the equation but the value added on the right is 2, a non-zero digit so it changes the equation as shown below.

4x-2(3x-4)+4-4+4=-x+3(x+1)+1+1+1\\4x-2(3x-4)+4+0=-x+3(x+1)+1+2\\4x-2(3x-4)+4=-x+3(x+1)+3

Therefore, the strategy used by Maricella will change the equation and so the solution of the equation will be incorrect.

One way of solving such a linear equation is by adding or subtracting the required value on each side of the equation. and then simplifying the further equation.

Similarly, the other way to solve any linear equation is by separating the variable terms on one side of the equation and constant terms on the other side of the equation.

After this simplify the linear equation to obtain the solution of the equation for x.

Whereas Maricella’s strategy fails to solve the equation 4x-2(3x-4)+4=-x+3(x+1)+1 since the values added and subtracted in the equation changes the original equation completely.

Learn more:

1. Linear equation application brainly.com/question/2479097

2. To solve one variable linear equation brainly.com/question/1682776

3. Binomial and trinomial expression brainly.com/question/1394854

Answer details

Grade: Middle school

Subject: Mathematics

Chapter: Linear equation

Keywords: equation, linear equation, Maricella, right side, left side, strategy, solve for x, adding, subtracting, variable, constant, solution of the equation, value, original equation, variable terms, constant terms.

4 0
2 years ago
Read 2 more answers
The length of a rectangle is three times its width. if the area of the rectangle is 300 yd2 , find its perimeter.
Svetradugi [14.3K]
Let, width = x
Length = 3x

It is given that, 3x * x = 300
3x² = 300
x² = 300 / 3
x = √100
x = 10
& 3x = 3(10) = 30

Perimeter = 2(l + w)
P = 2(10 + 30)
P = 2(40) = 80

In short, Your Answer would be 80 Yards

Hope this helps!
4 0
3 years ago
Jackson flipped a coin ten time. He flipped heads 4 times and tails 6 times. What is the experimental probability that Jackson w
barxatty [35]

Answer:

Step-by-step explanation:

Given that,

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Total outcome of events n=10

Probability of head in is first throw is, the is the outcome of head divide by the total possible outcomes

P(Head in first throw)=4/10

P(H)=2/5

P(H) = 0.4

P(H) =40%

7 0
3 years ago
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What would be the total number of outcomes in the sample space?
snow_tiger [21]
20x26=520

The answer is D 520.

Hope it helps.
8 0
3 years ago
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