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3 years ago

If is valid : a ²- b ² = 117 and a - b = 3, then what is the value of the expression a + b ?

Mathematics

1 answer:

juin [17]3 years ago

7 0

Answer:

d is the correct answer from give questions

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How to you write a rule for 2, 10, 5 and 250?

guajiro [1.7K]

Do you mean how do you get 250 with 2,10, and 5

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3 years ago

Worksheet on the Law of sines

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3 years ago

50 POINTS AND BRANLIEST What is the median value of the data set shown on the line plot?

shtirl [24]

Solution:

Step-1: Find the data.

70's: 1
80's: 1
90's: 2
100's: 3
110's: 4
120's: 4
130's: 2
140's: 1

Data obtained (Smallest to biggest):

70, 80, 90, 90, 100, 100, 100, 110, 110, 110, 110, 120, 120, 120, 120, 130, 130, 140

Step-2: Count the number of digits.

18 digits in data

Step-3: Use the formula "Total digits/2".

18/2 = 9th digit

The 9th digit in the data is the median.

Step-4: Revise the data.

70, 80, 90, 90, 100, 100, 100, 110, 110, 110, 110, 120, 120, 120, 120, 130, 130, 140

The median value of the line plot is 110.

5 0

2 years ago

Read 2 more answers

Factor to solve: x² + 18x +27 = 8x +3

patriot [66]

Answer: $x=-4$ $or$ $x=-6$

Subtract 8x+3 from both sides

$x^2+18x+27-(8x+3)=8x+3-(8x+3)$

$x2+10x+24=0$

Factor left side of equation

$(x+4)(x+6)=0$

Set factors equal to 0

$x+4=0$ $or$ $x+6=0$

Final Answer: $x=-4$ $or$ $x=-6$

3 0

4 years ago

If prices increase at a monthly rate of

Setler79 [48]

Answer: If the prices increase 3.7% each month, then they would increase 44.4% in a year.

Explanation: 3.7 * 12 = 44.4

6 0

4 years ago