3 years ago

If bethany earned $51,740 last year, how much did she earn per week?

Mathematics

1 answer:

Ronch [10]3 years ago

4 0

52.14 dollars per week.

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A sum lent out at simple interest becomes rs4480 in 3 years and rs 4800 in 5years.find the rate of interest

jek_recluse [69]

Answer: rate = 4%

Step-by-step explanation:

SI = 4800 - 4480 = 320 for two years

For 1 year, it is 320/2 = 160

For 5 years, it is 160 * 5 = 800

Principal = Amount -SI

P = 4800 - 800 = 4000

SI = prt / 100

800 = (4000 * r * 5) / 1000

r = 800 * 100 / 4000 * 5

r = 4%

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2 years ago

What is 70 in standard form?

Novosadov [1.4K]

Answer:

$7 \times {10}^{2}$

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2 years ago

You earn $250 per month from your part-time job. You are in a kayaking club that costs $20 per month, and you save at least $100

Olegator [25]

Answer:

Amounts in the intervall $130 \leq c \leq 230$

Step-by-step explanation:

We will take the variables c and s, where

c = amount to spend that month

s = savings of the month.

Since each month we save at least 100, we know that

$0 \leq s \leq 100$

Moreover, we earn $250 per month and we spend $20 in a kayaking club, which tells us that

$250=20+s+c$

and so

$230-s=c$

By multiplying by -1, the first inequality also tells us that

$-100 \leq -s \leq 0$

Consequently by adding 230 to the inequality, we get that

$230-100 \leq 230-s \leq 230\\\\\Rightarrow 130\leq c \leq 230$

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2 years ago

Alan has to finish an exam within 120 minutes. He finished the exam in 80 minutes. What is the percentage of the time he took fo

drek231 [11]

Answer:

66.67%

Step-by-step explanation:

80/120 = 66.67

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2 years ago

For each object identify two shapes that can be combined to model the object

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A). The second one and the fourth one combined make the object ( a )

B). First one and the last one combined make the object ( b )

C). First one and the third one combined make the object ( c )

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2 years ago