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2 years ago

Plz help I am new to this I would appreciate the help

Mathematics

1 answer:

sammy [17]2 years ago

3 0

Round to the nearest fraction and find a number to divid that go into the top and bottom number

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What is the value of b? 0.4(3b+10)=19

Sergio039 [100]

Answer:

12.5

Step-by-step explanation:

Step 1:

0.4 ( 3b + 10 ) = 19 Equation

Step 2:

1.2b + 4 = 19 Multiply

Step 3:

1.2b = 15 Subtract 4 on both sides

Step 4:

15 ÷ 1.2 Divide

Answer:

b = 12.5

Hope This Helps :)

7 0

2 years ago

What is the solution to this expression<img src="https://tex.z-dn.net/?f=%5Cfrac%7B4%7D%7Bx%5E%7B2%7D%20%5Ccdot%20t%7D%20%20%5Cf

ankoles [38]

Answer:

4/xt 3 sqaured

Step-by-step explanation:

6 0

3 years ago

7. Your friend is standing on top of a building, which is 130 ft. above the ground, looking down at a tree that is 40 ft. away f

oee [108]

I think you just divide the 130 ft by the 40 ft = 3.25 ??

8 0

3 years ago

Consider the sequence 100, 95, 90, 85, 80, 75 ... What is the value of f(8)?

MAVERICK [17]

Answer:

f(8) = 65

Step-by-step explanation:

Find a pattern in the sequence. It might be an arithmetic sequence (always adds or subtract by a certain number), or a geometric sequence (always multiplies or divides by a certain number).

To find a pattern in this decreasing sequence, we find either the common difference or the common divisor of each pair of consecutive numbers.

• 100 - 95 = 5

• 95 - 90 = 5

• 90 - 85 = 5

• 85 - 80 = 5

• 80 - 75 = 5

Now, we know that this is an arithmetic sequence, and the common difference is 5.

To calculate f(8), we find the 8th term in the sequence. We can do that by counting the terms in the sequence and using the common difference, 5, that we found, to continue the sequence.

• f(1) = 100

• f(2) = 95

• f(3) = 90

......

• f(7) = 70

• f(8) = 65

5 0

2 years ago

Please help it’s for Alex

nasty-shy [4]

Okay so the y is in absolute value, which means the number could be a negative and the absolute value would make is a positive.
since the sign is greater than, with no equal to underneath it, than the answer cant be 3 or -3.
the number has to total to be larger than 3. again, since the absolute value turns the negatives into positives, then -4 is an acceptable answer. so the absolute value line should look like the above (please excuse the terrible look). I simplified it to the two numbers that start the equation. the two circle are open circles because the sign does not include an equal sign under it. you draw the arrows on either side of the two numbers because any answer beyond those arrows fits in with the equation
| 4 |
| 184728 |
| -4.5829492994929492949572728 |

did that answer the problem?

5 0

3 years ago