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aalyn [17]
2 years ago
15

Help me please (I have to write something to post this question) ​

Mathematics
1 answer:
Feliz [49]2 years ago
7 0

Answer:

26

Step-by-step explanation:

to get from -6 to a 0, you add 6. 0+20 is 20, so that is how you get it

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Each year a certain type of tree grows vertically 14/15 as much as it did the year before. If the tree grows 1.5m during the fir
Anastaziya [24]

https://answers.yahoo.com/question/index?qid=20180411132938AApZYZz

8 0
2 years ago
Figure A - Figure B. Find the volume of figure B.
Cloud [144]

Answer:

use this to help you

Step-by-step explanation:

In math, volume is the amount of space in a certain 3D object. For instance, a fish tank has 3 feet in length, 1 foot in width and two feet in height. To find the volume, you multiply length times width times height, which is 3x1x2, which equals six.

6 0
2 years ago
Find the equation of the line that is perpendicular to the line
ddd [48]

Answer:

y=-x+16

Step-by-step explanation:

Hi there!

<u>What we need to know:</u>

  • Linear equations are typically organized in slope-intercept form: y=mx+b where m is the slope and b is the y-intercept (the value of y when x is 0)
  • Perpendicular lines always have slopes that are negative reciprocals (ex. 3 and -1/3, 5/6 and -6/5, etc.)

<u>1) Determine the slope (m)</u>

y=x-9

Rewrite the equation

y=1x-9

Now, we can identify clearly that the slope of the line is 1. The negative reciprocal of 1 is -1, so therefore, the slope of a perpendicular line would be -1. Plug this into y=mx+b:

y=-1x+b\\y=-x+b

<u />

<u>2) Determine the y-intercept (b)</u>

y=-x+b

Plug in the given point (7,9) and solve for b

9=-7+b

Add 7 to both sides to isolate b

9+7=-7+b+7\\16=b

Therefore, the y-intercept is 16. Plug this back into y=-x+b:

y=-x+16

I hope this helps!

6 0
2 years ago
A repairman charges an inspection fee plus $22 per hour. A customer with a coupon for 40% off the inspection fee pays $118 for a
MakcuM [25]

Answer:

Inspection fee = $50

h = 2 hours

Step-by-step explanation:

Let

x = the inspection fee

Charge per hour = $22

Number of hours = 4

A customer with a coupon for 40% off the inspection fee

This means the customer paid 60% of the inspection fee

118 = 60% of x + 22(4)

118 = 0.6x + 88

118 - 88 = .6x

30 = .6x

x = 30/0.6

x = $50

Inspection fee = x = $50

How many hours are worked when a customer pays $94 without a coupon?

94 = 50 + 22h

94 - 50 = 22h

44 = 22h

h = 44/22

h = 2 hours

5 0
2 years ago
If the radius of a circle is 3m, what is the diameter?
Elan Coil [88]

Answer:

d = 6

Step-by-step explanation:

We know that the radius is 3m and we need to find the diameter.

The formula for the diameter is d = 2r

Since the radius is 3, we can substitute r for 3.

d = 2(3)

d = 6

8 0
3 years ago
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