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Valentin [98]
3 years ago
14

Add 3.2 + (-0.8)

Mathematics
2 answers:
vekshin13 years ago
8 0

Answer:

6653.8

Step-by-step explanation:

good luque

Nataliya [291]3 years ago
6 0

Answer:

It's 64354.4 and I hope that's it .

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3 years ago
If you take a number, times by 7 then subtract 1. You get the same as if you took the number multiply the number by 5 then subtr
Irina-Kira [14]

Answer:

-7/2 or -3.5

Step-by-step explanation:

Make the equation first

7x-1 = 5x-8

7 = -2x

-7/2 = x

4 0
2 years ago
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How do you do simplify this -9 -11
zheka24 [161]

Answer:

-9 + -11=-20

Step-by-step explanation:

Since subtracting is the same as addition of the oppositie, just putting a negative symbol is easier because you are only working with negative numbers, instead of one negative and one positive.

Did that help?

7 0
3 years ago
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CAN SOMEONE HELP MEPLZ
Sholpan [36]

Answer:

Step-by-step explanation:

<h2>A rocket is launched from a tower. The height of the rocket, y in feet, is related to the time after launch, x in seconds, by the given equation. Using this equation, find the time that the rocket will hit the ground, to the nearest 100th of second. </h2><h2>y=-16x^2+129x+119 </h2><h2>y=−16x  </h2><h2>2 </h2>

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8 0
3 years ago
An isosceles trapezoid has base angles of 45° and bases of lengths 8 and 14. The area of the trapezoid is
Mice21 [21]

Answer:

Option A is correct.      

Step-by-step explanation:

Given an isosceles trapezoid has base angles of 45° and bases of lengths 8 and 14. we have to find the area of isosceles trapezoid.

An isosceles trapezoid has base angles of 45° and bases of lengths 8 and 14.

From the figure attached , we can see an isosceles trapezoid ABCD,

AB = 8cm and CD=14cm

So we have to find the value of AE which is the height of Trapezoid in order to find area.

In ΔAED

tan\angle 45 =\frac{AE}{ED}

⇒ AE=1\times 3

∴ AE = DE =3cm

\text{The area of the trapezoid=}\frac{h}{2}\times (a+b)

h=3cm, a=14cm, b=8cm

Area=\frac{3}{2}\times(14+8)=\frac{3}{2}\times 22=33 units^2

hence, \text{The area of the trapezoid is }33 units^2

Option A is correct.

3 0
3 years ago
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