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pshichka [43]
2 years ago
7

4a - 5 = 11 Solve this please

Mathematics
2 answers:
d1i1m1o1n [39]2 years ago
7 0

Answer:

a = 4

Step-by-step explanation:

Given equation:

4a - 5 = 11

Add 5 to both sides:

⇒ 4a - 5 + 5 = 11 + 5

⇒ 4a = 16

Divide both sides by 4:

⇒ 4a ÷ 4 = 16 ÷ 4

⇒ a = 4

marusya05 [52]2 years ago
6 0
Add five to eleven then you will have 4a=16 divide 4 from 4 and 16 and you get a=4
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A line with a slope of -2 passes through the points (0,d) and (-8,9). What is the value of d?
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m=\dfrac{y_2-y_1}{x_2-x_1}

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3 years ago
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7 0
3 years ago
Read 2 more answers
Please help and thank you​
ziro4ka [17]

Answer:

Step-by-step explanation:

2)  

x + 14 \frac{13}{25}  =  -0.87

x + \frac{363}{25} = - \frac{87}{100}

x + \frac{1452}{100} = - \frac{87}{100}

x  = - \frac{87}{100} - \frac{1452}{100}

x = - \frac{1539}{100}

3)

x -8 \frac{5}{6} = 1.5

x - \frac{53}{6} = \frac{9}{6}

x =  \frac{9}{6} + \frac{53}{6}

x = \frac{62}{6}

x = \frac{31}{3}

4)

x - \frac{7}{12} = - 7 \frac{7}{16}

x - \frac{28}{48} = - \frac{119}{16}

x = - \frac{357}{48} + \frac{28}{48}

x = - \frac{329}{48}

5)

\frac{8}{9} - x = 6 \frac{1}{15}

\frac{8}{9}  = \frac{91}{15} + x

\frac{40}{45} - \frac{273}{45} = x

- \frac{233}{45} = x

x = - \frac{233}{45}

6)

-33.754 - x = 28.05

-33.754  - 28.05 = x

- 61.804 = x

x = - 61.804

7 0
3 years ago
G and L will be retiring in four years and would like to buy a retirement house. They estimate that they will need $550,000 at t
lions [1.4K]

Answer:

Hopefully, the problem is worded as follows:

a after 3 years = A (1.08)^3 = 1.2597 A   after 3 years (invested at end of year)

a after 2 years = A (1.08)^2 = 1.1664 A     after 2 years

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a last year      = A    

adding the columns

4 a = 4.5061 A    where A is the amount invested each year and a is the total worth of such an investment

or a = 1.12653 A

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Each year 488,226 / 4 must be invested = 122,057

8 0
2 years ago
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