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klasskru [66]
3 years ago
7

Please help please ​

Mathematics
2 answers:
gogolik [260]3 years ago
8 0

Answer:

c

Step-by-step explanation:

i know it c

svlad2 [7]3 years ago
6 0

Answer:

D

Step-by-step explanation:

The slope is -3/2 and D is the only one that has that slope

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I am so lost, please help
skelet666 [1.2K]

Answer:

u=\frac{9}{t}-\frac{1}{2} a t

Step-by-step explanation:

Step 1: Given equation: 9=\frac{1}{2} a t^{2}+u t

To get u, by subtraction equality property subtract both sides of the equation by  \frac{1}{2} a t^{2}.

\Rightarrow 9-\frac{1}{2} a t^{2}=\frac{1}{2} a t^{2}+u t-\frac{1}{2} a t^{2}  

\Rightarrow 9-\frac{1}{2} a t^{2}=u t  

Step 2: By division equality property, divide both sides of the equation by t.

\Rightarrow \frac{9-\frac{1}{2} a t^{2}}{t}=\frac{u t}{t}

$\Rightarrow \frac{9}{t}-\frac{1}{2} a t=u$  

Therefore, $u=\frac{9}{t}-\frac{1}{2} a t$.

So, in Emily’s physics class, she got $u=\frac{9}{t}-\frac{1}{2} a t$.

7 0
3 years ago
What ides it mean by simplify?
MrRissso [65]
Putting it in simpler terms
7 0
3 years ago
Tell whether (3,5) is a solution of y = 5x – 10.
Ivanshal [37]

Answer:

yes it is

Step-by-step explanation:

plug x and y in

3 * 5 - 10 = 5 <== And this is true

6 0
3 years ago
Read 2 more answers
I need help I can’t cuaet understand this
Gwar [14]

Answer:

B, 140

Step-by-step explanation:

Alright so if you know to do volume this should be a breeze!

First off what you want to do is find the volume of the outside prism.

V=whl=4·5·8=160

160

Then find the smaller prisms volume.

V=whl=1·5·4=20

20

Minus the smaller from the bigger

160-20=140

The answers B!

7 0
3 years ago
Р
melisa1 [442]

Answer:

209 inches

Step-by-step explanation:

95% of 220 is 209 inches so therefor it would be 209 inches.

6 0
3 years ago
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