2 years ago

How do you convert a fraction into a decimal? And a decimal into a percent ( I can’t think today )

1 answer:

6 0

Fraction into a decimal- just divide the top of the fraction by the bottom

Decimal into Precent- multiply by 100 then move the decimal 2 places to the right

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Please answer this question

Vladimir [108]

Answer:

a = 3/2
b = -1/2

Step-by-step explanation:

$\dfrac{\sqrt{5}-1}{\sqrt{5}+1}=\dfrac{(\sqrt{5}-1)(\sqrt{5}-1)}{(\sqrt{5}+1)(\sqrt{5}-1)}\\\\=\dfrac{5-2\sqrt{5}+1}{5-1}=\dfrac{6-2\sqrt{5}}{4}\\\\=\dfrac{3}{2}-\dfrac{1}{2}\sqrt{5}$

Comparing this to the form a+b√5, we see that ...

a = 3/2

b = -1/2

8 0

3 years ago

Mia is working two summer jobs, making $11 per hour babysitting and making $20 per hour lifeguarding. In a given week, she can w

arlik [135]

Answer: 11x + 20y ≥ 220

x + y ≤ 15

Hope this helps

8 0

2 years ago

Read 2 more answers

Shanice won 88 pieces of gum playing the bean bag toss at the county fair. That was 4 more than twice as many as Greg. How many

Andrej [43]

Answer:

Step-by-step explanation:

Shanice =88

If greg won x pieces of gum, and 88 was 4 more than twice as many as Greg

2x+4=88

2x=84

x=42

8 0

2 years ago

A scale drawing for a rectangular parking lot measures 7 cm by 13. 3 cm. The scale is 1 cm : 25 m. Find the area of the parking

AleksandrR [38]

Answer:

58,187.5 m²

Step-by-step explanation:

1 cm : 25 m

7 cm = 25 × 7 m

7 × 25 = 175 m

13.3 × 25 = 332.5 m

area = 332.5 m × 175 m

7 0

1 year ago

Is (4, 7) a solution to the system of equations? Explain your answer.

Angelina_Jolie [31]

Answer:

Step-by-step explanation:

Neither 4 or 7 is a solution to both equations

4 0

2 years ago