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Elena-2011 [213]
2 years ago
7

Please help me...............

Mathematics
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

Step-by-step explanation:

a(20ft)

b(46ft)

c(72.6mm)

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matrenka [14]

Answer:

YASS

Step-by-step explanation:

4 0
3 years ago
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6. The angle of depression from the top of a tower to a boulder on the ground is 38°. If the tower is 25 m high,
gizmo_the_mogwai [7]
Tan38 = 25/x
.781 = 25/x
31.998 = x
3 0
3 years ago
Identify the hypothesis of the statement if x+4=5 then x=1
Rom4ik [11]
Your hypothesis is correct because you substitute 1 to x then add which gives you an answer

Answer: 5=5
5 0
2 years ago
Maria invested a total of 31,000 in two account, first account earned a rate of 14%. How ever second account suffer a 10% loss i
Maslowich

Answer:the amount of money that Maria invested in the first account is $20000

the amount of money that Maria invested in the second account is $11000

Step-by-step explanation:

Let x represent the amount of money that Maria invested in the first account.

Let y represent the amount of money that Maria invested in the second account.

Maria invested a total of 31,000 in the two account. This means that

x + y = 31000

The first account earned a rate of 14%. This means that the amount earned on the first account is 14/100×x = 0.14x

However, the second account suffered a 10% loss in the same time. This means that the amount lost is

10/100×y = 0.1y

At the end of one year the total amount money gain 1,700. This means that

0.14x - 0.1y = 1700 - - - - --1

Substituting x = 31000 - y into equation 1, it becomes

0.14(31000 - y)- 0.1y = 1700

4340 - 0.14y - 0.1y = 1700

- 0.14y - 0.1y = 1700 - 4340

-0.24y = -2640

y = 2640/0.24 = 11000

x = 31000 - y = 31000 - 11000

x = 20000

7 0
3 years ago
Can someone please help
Elis [28]

Answer:

880 minutes

Step-by-step explanation:

cost = 0.05(per minute) + basic fee

y = 0.05x + 15

59 = 0.05x + 15

subtract 15

44 = 0.05x

divide by 0.05

x = 880

6 0
3 years ago
Read 2 more answers
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