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Cerrena [4.2K]
2 years ago
14

228 gumballs. There are actually 240 gumballs. What is the percent error?

Mathematics
1 answer:
alekssr [168]2 years ago
5 0

Answer:

5% error

Step-by-step explanation:

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What is the solution to this equation? 4x+x-15+3-8=13
deff fn [24]

Answer:

x = 33/5

Step-by-step explanation:

4x+x-15+3-8=13

Combine like terms

5x -20 = 13

Add 20 to each side

5x-20+20 = 13+20

5x =33

Divide by 5

5x/5 = 33/5

x = 33/5

3 0
3 years ago
Find the value of c that makes each trinomial a perfect square. Then write the trinomial as a perfect square.
musickatia [10]

Answer:

d. c = 100; (x – 10)²

Step-by-step explanation:

Note that (x+a)²=x²+2ax+a².

In our case, 2a=-20, so 'a' must be -10.

Since c=a², and a=-10, c=(-10²)=100.

Since a=-10, the perfect square is (x – 10)²

3 0
3 years ago
The Morales family is remodeling their home. They want to remove the wall between the living room. and dining room to make one b
GuDViN [60]

Answer:

Area of living room

= 20(x+5)

= 20x +100

Area of dining room= 20x

Total area

= 20x +100 +20x

= 40x +100

Total perimeter (after wall is removed)

= 2(20) + 2( x+x+5)

= 40 + 2(2x+5)

= 40 +4x +10 (expand)

= 4x +50 (simplify)

Step-by-step explanation:

Area of rectangle= length × breadth

3 0
3 years ago
Josie buys a scoop of dried cranberries and a scoop of dried bananas to make trail mix. The
iris [78.8K]

Answer:

4.65

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is Rational Number​
abruzzese [7]
Rational number, in arithmetic, a number that can be represented as the quotient p/q of two integers such that q ≠ 0. In addition to all the fractions, the set of rational numbers includes all the integers, each of which can be written as a quotient with the integer as the numerator and 1 as the denominator.
8 0
1 year ago
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