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satela [25.4K]
2 years ago
11

NO LINKS AND HELP ME AND SHOW YOUR WORK PLEASE PLEASE​

Mathematics
1 answer:
cestrela7 [59]2 years ago
6 0

Answer:

65

Step-by-step explanation:

5₁=5·5=25 (square area)

5₂=1/2·5·4=10  (triangle area)

5=25+4·10

=25+40

=65

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PLEASE HELP (:
Kaylis [27]

Answer:

{12,15}

Step-by-step explanation:

Given the function f(x) = x+5, if the range of the function is {7,9}, the domain of the function is derived by simply finding the value of the function at each end point.

At endpoint x = 7,

f(7) = 7+5

f(7) = 12

At endpoint x = 9

f(9) = 9+5

f(9) = 14.

The function domain is therefore at {12,14}

4 0
3 years ago
Given f(x)= 8x^{15}+6x^{8}-3x^{3}+5x^{2}, the degree is
igor_vitrenko [27]

Answer:

Step-by-step explanation:

2. Degree = 15

6 0
3 years ago
A dolphin swims 665,280 feet in 3 hours. Use the formula d = rt, where d represents distance, r represents rate, and t represent
liraira [26]

Answer:

Answers Below

Step-by-step explanation:

Part A:

r=d/t

Part B:

r=665280/3

r=221760

Part C:

221760/5280 = 42mph

Part D: Miles per Hour, because it is easier to understand

6 0
3 years ago
Mary spends no more than 21 hours a week doing homework. If she spends 2/7 of the time doing her math homework, what other fract
True [87]

Answer:

6/21, 12/42

Step-by-step explanation:

Mary spends no more than 21 hours a week doing homework. If she spends 2/7 of the time doing her math homework.

The number of hours she spends doing her maths homework is calculated as:

= 2/7 × 21

= 6 hours

The other fractions that could represent the amount of time Mary spends doing her math homework is given as:

6 hours/21 hours = 6/21

Also , that could be represented as:

12/42

Therefore, the other fractions that could represent the amount of time Mary spends doing her math homework is : 6/21 , 12/42

5 0
3 years ago
Please help me it’s emergency please
Lostsunrise [7]

Answer:

1.012 \times {10}^{ - 4}

Step-by-step explanation:

move the decimal so there is one non-zero digit to the left of the decimal point. the number of decimal places you move will be the exponent on the 10. if the decimal is being moved to the right, the exponent will be negative. if the decimal is being moved to the left, the exponent will be positive.

6 0
3 years ago
Read 2 more answers
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