2 years ago

AYUDA!!!!!!! Pls help me answer

Mathematics

2 answers:

QveST [7]2 years ago

5 0

You don't mention what's the question

eimsori [14]2 years ago

5 0

E is 54, f 126. D 126

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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

Can you plz answer question on the screenshot?

yKpoI14uk [10]

Answer:

Step-by-step explanation:

8 0

3 years ago

8x2y2 – + 4x4 – 7xy3

Elodia [21]

3 0

3 years ago

kate has the following scores on her math test this quarter 89,79,83, and 94.if she want an average of 85 ,what musther score be

Georgia [21]

She must score an 80.

85*5= 425
425-89-79-83-94= 80

8 0

2 years ago

Which of the equations should anthony pick ?

Komok [63]

Answer:

the third answer

Step-by-step explanation:

hope it helps

7 0

2 years ago

Read 2 more answers