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wlad13 [49]
3 years ago
5

How would you find the number, 3/7 of which is equal to t? (let's say it was any number, just need the equation)

Mathematics
1 answer:
ohaa [14]3 years ago
8 0
Let the number be x
(3/7) x = t
I can't think of anything useful to add to this. How about an example?

Let x = 49

(3/7) x = t
(3/7) * 49 = t seven will go into 49
3 * 49 = t
t = 147 
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After spending 5/9 of his money, David has<br>$36 left. How much money did he have at first?​
liq [111]
81 dollars at first
8 0
3 years ago
Sarah took the advertising department from her company on a round trip to meet with a potential client. Including Sarah a total
ololo11 [35]

Answer:

Step-by-step explanation:

c + f = 16......c = 16 - f

340c + 910f = 9430

340(16 - f) + 910f = 9430

5440 - 340f + 910f = 9430

-340f + 910f = 9430 - 5440

570f = 3990

f = 3990/570

f = 7 <====== 7 first class tickets bought

c + f = 16

c + 7 = 16

c = 16 - 7

c = 9 <====== 9 coach tickets bought

3 0
3 years ago
What is the equation process to this question?
Andreyy89

The given equation is h(t)=-16t^2+80t+4 where h is the height, in feet, of a ball and t is the time, in seconds.

<u>Part a: The height of the ball when t = 2 seconds:</u>

The height of the ball above the ground 2 seconds after it is released can be determined by substituting t= 2 in the equation h(t)=-16t^2+80t+4, we get;

h(2)=-16(2)^2+80(2)+4

Simplifying the terms, we get;

h(2)=-64+160+4

h(2)=100

Thus, the height of the ball after 2 seconds is 100 feet.

<u>Part b: The height of the ball when t = 4 seconds:</u>

The height of the ball above the ground 4 seconds after it is released can be determined by substituting t = 4 in the equation h(t)=-16t^2+80t+4, we get;

h(4)=-16(4)^2+80(4)+4

Simplifying the terms, we get;

h(4)=-256+320+4

h(4)=68

Thus, the height of the ball after 4 seconds is 68 feet.

5 0
3 years ago
An investor has an account with stock from two different companies. Last year, her stock in Company A was worth $2000 and her st
Harlamova29_29 [7]

Answer:

14.2%

Step-by-step explanation:

1. Find the new cost for Stock A:

2000x0.88=1760

2. Find the new cost for Stock B:

5720x0.85=4862

3. Find total sum of the original stocks:

2000+5720=7720

4. Find total sum of the new stocks:

1760+4862=6622

5. Find the decrease:

7720(1-x)=6622

Solve for x

x=14.2

4 0
2 years ago
Which expression is equivalent to the expression below?<br><br> 2.1 + (–3.7h) + 1.9h – 1.4
PtichkaEL [24]

Answer:

Idk if this is an option but 0.7-1.8h

Step-by-step explanation:

In this equation, to simplify, you can add like terms. You would do 2.1-1.4 and (-3.7h)+1.9h. When you do the math, you get 0.7-1.8h. Always look out for like terms! Hope this Helps!

6 0
3 years ago
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