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miss Akunina [59]
2 years ago
11

HELP PLEASSEEE IT REALLY URGENT!!!! PLEASE ONLY ANSWER IF YOU ARE CONFIDENT!

Mathematics
1 answer:
Dmitry [639]2 years ago
6 0

Answer:

B. 12.5 feet below the surface of the water

Step-by-step explanation:

-20 + (-32.5) + 40

40 - 52.5

= -12.5 feet

= 12.5 feet below the water

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Neil wants to join three pieces of metal to form a right triangle. which of the following lengths could be used? please use step
vichka [17]

Answer: G. 12.5, 7.5, 10

Step-by-step explanation:

To determine the lengths of metal that could be used to form the tight angle triangle, we would apply Pythagoras theorem which is expressed as

Hypotenuse² = opposite side² + adjacent side²

The hypotenuse is the longest side while the opposite and adjacent sides are the shorter side. Therefore,

F.

8² = 4² + 4²

64 = 16 + 16 = 32

A right angle triangle cannot be formed because they are not equal.

G.

12.5² = 7.5² + 10²

156.25 = 56.25 + 100 = 156.25

A right angle triangle can be formed because they are equal.

H.

23² = 11² + 9²

529 = 121 + 81 = 202

A right angle triangle cannot be formed because they are not equal.

J.

96² = 12.5² + 6²

9216 = 156.25 + 36 = 192.25

A right angle triangle cannot be formed because they are not equal.

4 0
2 years ago
Grace earned $3,264 last month. If she makes $16 per hour,<br> how many hours did she work?
Sholpan [36]

Answer:

204 hours

Step-by-step explanation:

3264 divided by 16 = 204 hours

5 0
2 years ago
Read 2 more answers
At 5:00pm the temperature read 10° above zero. At midnight it read 4 ° below zero. Find the change
larisa86 [58]
The temperature changed a total of 14° over the course of 7 hours with an average change of 2° per hour drop.
6 0
3 years ago
Insert a rational number and an irrational number between -2/5 and 1/2
qwelly [4]

Answer:

Step-by-step explanation:

if you can pick any numbers you want then:

rational could be: 0.25 or 1/4

irrational could be: 2/7

6 0
3 years ago
Jose and Maris work for different car dealerships. Jose earns a monthly salary of $3,500 plus a 6% commission on his sales, x. M
aev [14]

Answer: d.3,500 + 0.06x > 4,000 + 0.04x

Step-by-step explanation:

Hi, to answer this question we have to write each inequality:

Jose earns a monthly salary of $3,500 plus a 6% commission on his sales, x.

So, his monthly earnings must be equal to the sum of the fixed monthly salary ($3500) plus the product of the number of sales (x) and the commission percentage in decimal form (divided by 100):

So:

Jose’s earnings: 3,500 + x (6/100)

Jose’s earnings: 3,500 + 0.06x

Maris earns a monthly salary of $4,000 plus a 4% commission on her sales.

So, her monthly earnings must be equal to the sum of the fixed monthly salary ($4000) plus the product of the number of sales (x) and the commission percentage in decimal form (divided by 100):

Maris’ earnings: 4000+ x (4/100)

Maris’ earnings: 4000+ 0.04 x

Since Jose's earnings must be greater than Maris' earnings

3,500 + 0.06x >4000+ 0.04 x

4 0
3 years ago
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