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2 years ago

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Mathematics

1 answer:

irina [24]2 years ago

6 0

Answer:

Step-by-step explanation:

Here's a graph too. Make sure you pay attention to the lines, if they are dotted or not.

I hope this helps!!

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A pentagon has 5 congruent sides and each angle measures 108°.

Dafna11 [192]

I'd say A because all side are equal.

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3 years ago

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Can someone awnser this

Ostrovityanka [42]

It has a constant daily growth rate of 1.5

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3 years ago

Two jet planes simultaneously started travelling in opposite directions from the same airport. Four hours later they were 3800 m

alexira [117]

Answer:

Step-by-step explanation:

let the speed of one plane=x

speed of other plane=x+80

time=4 hrs

then 4x+4(x+80)=3800

4x+4x+320=3800

8x=3800-320

or 8x=3480

x=435

speed of one plane=435 m/h

speed of other plane=435+80=515 m/h

Let he walks x hrs

then he take a taxi for 2-x hrs

4x+(2-x)50=31

4x+100-50x=31

-46x=-69

$x=\frac{-69}{-46}=\frac{3}{2}$

so he walks 3/2 hrs=1.5 hrs

travels by taxi=2-1.5=0.5 hrs

distance traveled by taxi=0.5×50=25 miles

8 0

3 years ago

Solve: -19 = X - 19 halppppp

Juliette [100K]

Answer:

x = 0

Step-by-step explanation:

Step 1: Write equation

-19 = x - 19

Step 2: Solve for <em>x</em>

Add 19 to both sides: 0 = x
Rewrite: x = 0

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

-19 = 0 - 19

-19 = -19

3 0

2 years ago

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Polygon ABCD is translated to create polygon A′B′C′D′. Point A is located at (1, 5), and point A′ is located at (-2, 1). What is

olga nikolaevna [1]

The distance between B and B' will be the same as distance between A and A'.

= sqrt ( (5-1)^2 + ( 1 - -2)^2)

= sqrt (16 + 9)

= 5 units answer

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3 years ago

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