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3 years ago

PLEASE HELP

Mathematics

1 answer:

UNO [17]3 years ago

4 0

6.3-4.6=1.7%. You subtract the percentages to find the total percentage after the percentage dropped 4.6 from 6.3

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I really need help with math we are learning about lines,rays,and line segments and in confused.

rusak2 [61]

Answer:

lines are straight, rays have one point and then a never ending arrow, line segments have 2 ends. i hope this helps.

Step-by-step explanation:

I took math and it will help you too

8 0

3 years ago

H e l p m e p l e a s e

photoshop1234 [79]

Answer:

EcD= 52 DCB=128

Step-by-step explanation:

First, let's find out what x equals and what (x+11) equals

$(x+11)+(3x+5)=180\\4x+16=180\\4x=164\\x=41$

And therefore...

$x+11=52$

Now angle ecd is a vertical angle we just found.

So angle ECD= 52 degrees

And agles ECD and DCD and supplimntary

$52+?=180\\DCB=128$

5 0

3 years ago

Read 2 more answers

The dean of the School of Fine Arts is trying to decide whether to purchase a copy machine to place in the lobby of the building

tigry1 [53]

Answer:

$34,816.60

Step-by-step explanation:

The computation of the maximum amount of cash should willing to pay for the copy machine by using the present value is shown below:

Present value is

$= Incremental\ cash\ flows \times PVIFA\ factor$

where,

Incremental cash flows is $14,000 per year

Discount rate is 10%

And, the number of years is three years

PVIFA factor for 10% at 3 years is 2.4869

Refer to the PVIFA factor table

Now placing these values to the above formula

So, the present value is

$= \$14,000 \times 2.4869$

= $34,816.60

6 0

4 years ago

Subtract.<br><br> (2x4−x2+5x−2)−(−x4+3x3+2x2−1)

Maurinko [17]

Answer:

477 I think

Step-by-step explanation:

hope this helps

5 0

3 years ago

A car traveled 150 miles on 5 gallons of gas. Find the unit rate.

Sauron [17]

Answer:

30m per gallon

Step-by-step explanation:

150m/5g= 30m/g

8 0

3 years ago