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barxatty [35]
4 years ago
6

Match the vocabulary words with the correction definitions.

Mathematics
2 answers:
Mrac [35]4 years ago
7 0
1=D
2=E
3=B
4=C
5=A

................,
Nuetrik [128]4 years ago
6 0
The correct matching is the following:

1. Algebraic expression, with letter D. An expression involving one or more variable, terms.

2. Coefficient, with letter E. The number in front of a variable in a term.

3. Equivalent expression, with letter B. Expressions that are equal in value even though they are written in different ways.

4. Like terms, with letter C. Terms that have the same variable(s), with each variable raised to the same exponent.

5. Numeric expression, with letter
A. An expression involving only constants.
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Subtract. <br><br> –34 – (–55)
Snowcat [4.5K]
A double negative equals a positive so this is essentially:
 -34+55
Of which equals 21
4 0
3 years ago
Let x = the length of the shorter piece of rope. x + (1/2)x = 24 (3/2)x = 24 (2/3)(3/2)x = (2/3)(24) x = 16 The lengths of rope
Elena-2011 [213]

Answer:

Step-by-step explanation:

Given the question

A rope is 24 feet long. It is cut into two pieces such that one piece is half the length of the other. Find the lengths of the two pieces of rope.

Options

The stated solution is correct (lengths of 16 feet and 8 feet).

Based on the way the variable is defined, the equation should be x + 2x = 24.

The equation is written correctly, but there is an error in solving the equation.

The way the variable is defined, and because x=16, the longer piece of rope would be 32 feet, which is not possible.

2

Let the length of one piece be x (shorter piece) and the other be y.

If the rope is cut into two pieces and 24ft long, then;

x+y = 24.......... 1

If one piece is half the length of the other, then x = y/2..... 2

substitute equation 2 into 1

y/2 + y = 24

take the LCM

y+2y/2 = 24

3y/2 = 24

cross multiply

3y = 48

Divide both sides by 3;

3y/3 = 48/3

y = 16 feet

Since x = y/2

x = 16/2

x = 8 feet

Based on the calculation above, I can conclude that;

- The student stated solution is correct (lengths of 16 feet and 8 feet)

- The way the variable is defined, and because x=16, the longer piece of rope would be 32 feet, which is not possible.

- Based on the way the variable is defined, the equation should be x + 2x = 24.

8 0
4 years ago
If there are 8 people, and each person has 4 coins, there are ____ times as many coins as people.
Alinara [238K]

Answer:

2 times

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
PLEASE HELP WILL MARK BRAINLIEST AND GIVE 50 POINTS
Alexeev081 [22]

Answer:

The correct option is;

e. 2500

Step-by-step explanation:

The formula for sample size is given by the following formula;

n = \dfrac{z^2 \times \hat p(1 - \hat p)}{\epsilon ^2}

At 95%, z = 1.96

ε = Margin of error = 0.02 = 2%

Finding the sample size, n, given only the margin of error is by the following formula;

Margin of error = 100/√n

Therefore, we have;

2 = 100/√n

√n = 100/2 = 50

n = 50² = 2500

Therefore, the correct option is e. 2500.

4 0
3 years ago
A pair of grant high school hockey fans counted the number of games won by the school each year
Mrrafil [7]

Answer:

8

Step-by-step explanation:

2015: 9 games won

2014: 1 game won

rate of change = 2015 games won - 2014 games won

rate of change = 9 - 1

rate of change = 8

5 0
3 years ago
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