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Rzqust [24]
3 years ago
10

9) Benny spent half of his allowance going to the movies. He washed the family

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
6 0

Answer:

$20

Step-by-step explanation:

He spent half of his allowance going to the movies. Half of 20 is 10. He then washed the family car and earned 8 dollars. You add them together, and you get $18.

His weekly allowance was $20

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How do you evaluate?
Lera25 [3.4K]

We evaluate an algebraic expression by the determination of an unknown variable.

Evaluation is a systematic method used in solving most algebraic expressions in mathematics.

Let assume that we have a given algebraic expression where y is expressed in terms of x and;

y = 2x + 5    where (x = 4)

  • Here, y and x are the variables;

y = 2(4) + 5

y = 8 + 5

y = 13

Learn more about how to evaluate algebraic expressions here:

brainly.com/question/4344214

7 0
3 years ago
A 2 level 5 factor experiment is being conducted to optimize the reliability of an electronic control module. In a full factoria
allsm [11]

Answer:

32

Step-by-step explanation:

In a full factorial experiment, there are usually 32 or 2⁵ treatments. This implies that there are usually  2 levels and 5 factors. From the description below, there is a list of the 32 treatments.

Factor A      Factor B      Factor C      Factor B      Factor E

lo                   hi                 hi                 hi                hi

hi                   low              hi                 hi                hi

hi                   hi                low               hi                hi

hi                   hi                 hi                 low             hi

hi                   hi                 hi                 hi               low

lo                   lo                 hi                 hi               hi

lo                   hi                 lo                 hi               hi

lo                   hi                 hi                 lo              hi

3 0
3 years ago
Name a 4 sided shape with rotational symmetry of order 4​
SCORPION-xisa [38]
Answer: a square because it is four sided and doesn’t matter how long you rotate it
7 0
3 years ago
Read 2 more answers
Plz help whats alex error i beg help i will give 19 points and brainlist
Alenkasestr [34]

Answer:

Alex timed 7 by 2 instead of 7 times 7 because 7^2 is an exponent.

7 0
3 years ago
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Solve using appropriate property:<br> 3/8 × -4/5 + 7/9 × 3/8 (-3/8 × 8/10)
bazaltina [42]

Answer:

Exact Form:

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Decimal Form:

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Step-by-step explanation:

hope this helps

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7 0
2 years ago
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