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Stella [2.4K]
3 years ago
8

Evaluate 1.3n - 0.03 = -9

Mathematics
1 answer:
andreev551 [17]3 years ago
8 0
I think it’s 6.94615385
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A hot air balloon is currently at a height of 900 feet. The balloon is descending by 10 feet minute. Find a function for the bal
mylen [45]

Answer:

y=-10x+900

Step-by-step explanation:

Let

x -----> the number of minutes

y ----> the balloon's height in feet

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope

b is the y-coordinate of the y-intercept

In this problem we have that

The slope is equal to

m=-10\ \frac{ft}{min} ----> is negative because is a decreasing function

b=900\ ft

Remember that the y-intercept is the value of y when the value of x is equal to zero

In this context the y-intercept is the height of the balloon when the time is equal to zero (initial height)

substitute

y=-10x+900

8 0
3 years ago
What is greater 64kg or 64000g
Aleksandr [31]

Answer: neither

Step-by-step explanation: because 64 kg and 640000g are equal masses.

3 0
3 years ago
Read 2 more answers
A baseball fits snugly inside a transparent display cube. The length of an edge of the cube is 2.9 inches.
kozerog [31]

Answer:

it would be just a little less to fit in

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
ZB is 3x-5 BA is x+3
Akimi4 [234]
If B is the midpoint of ZA, then ZB = <span>BA
</span>3x-5 = <span>x+3
3x - x = 3 + 5
2x = 8
x = 8/2
x = 4

</span>ZA = ZB + BA
      =  3x-5 + x+3
      = 3*4 - 5 + 4 + 3
      = 12 - 5 + 7 
      = 14

Answer: <span>D. 14</span>
3 0
3 years ago
The sum of twice a number and 15 is grater the 3
NNADVOKAT [17]

Answer:

x>-6

Step-by-step explanation:

The expression you need to solve for this is: 2x+15>3

For now pretend that the > is a = and solve as you normally would for x.

Subtract 15 from both sides

2x=-12

Divide by 2

x=-6

Put the > back in

x>-6

4 0
2 years ago
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