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SVETLANKA909090 [29]
3 years ago
11

Simplify the expression: 4(x+1)−12(x−2)

Mathematics
2 answers:
NNADVOKAT [17]3 years ago
8 0
1. Distribute: 4x+4-12x+24
2. Combine like terms: -8x+ 28
Anwser: -8x+ 28
bearhunter [10]3 years ago
3 0
4x+4-12x+24
Collect like terms
-8x+28
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83 = y - 17 what the value of y
Artemon [7]

The answer is y = 100

To get this answer, you add 17 to both sides to undo the "minus 17" that is happening on the right side.

83 = y-17

83+17 = y-17+17 ... add 17 to both sides

100 = y

y = 100

3 0
3 years ago
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The pie chart to the right shows how adults rate their financial shape. Suppose 4 people are chosen at random from a group of 14
Salsk061 [2.6K]

<u>Question Completion</u>

PIE CHART NUMBERS:

  • Excellent 9%
  • Good 41%
  • Fair 36%
  • Poor 13%
  • Other 1%

Answer:

0.000063

Step-by-step explanation:

Number of Respondents, n=1400

Probability that they would rate their financial shape as​ excellent = 0.09

Number of Those who would rate their financial shape as excellent

=0.09 X 1400

=126

Therefore:

The probability that 4 people chosen at random would rate their financial shape as​ excellent

=\dfrac{^{126}C_4 \times ^{1400-126}C_0}{^{1400}C_4} \\=\dfrac{^{126}C_4 \times ^{1274}C_0}{^{1400}C_4}\\=0.000063 $(correct to 6 decimal places)

6 0
3 years ago
In a survey of 100 people, 39 preferred ketchup on their hot dogs. What percent did not
Elena-2011 [213]

Answer:

C. 61%

Step-by-step explanation:

out of 100 people, 39 liked ketchup while 61 did not. The ratio and percentage is 61%

4 0
3 years ago
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????? Anyone that can help giving 10 points
katen-ka-za [31]

Step-by-step explanation:

we know that perimeter of triangle is equals to side + side + side

but we can see that the particular triangle is having all the sides equal so it is seen to be equal lateral triangle and formula of equilateral triangle is 3 × sides.....

So,We will take sides common.....

Perimeter of equilateral triangle= 3×Side

3×4.6 cmsq.

13.8cmsq. Answer

6 0
3 years ago
As an estimation we are told 5 miles is 8 km.<br>Convert 100 km to miles​
dimulka [17.4K]

Answer: 100km = 62.5 miles.

Step-by -step explanation: given 5miles = 8km. now, 5miles — 8km. X miles — 100km. now do cross multiplication.

4 0
3 years ago
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