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2 years ago

Please Help Me With This

Mathematics

1 answer:

IgorLugansk [536]2 years ago

4 0

What am i solving exactly?

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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

2 years ago

Plz help me<br> WILL GIVE BRAINLIEST

SVETLANKA909090 [29]

Answer:

I think the answer is 16 (B)

Step-by-step explanation:

Please mark brainlest

5 0

3 years ago

How to write 9 thousands 3 hundreds 4 ones

Nataly [62]

the answer is 9304=9 thousands 3 hundreds 4 ones

5 0

2 years ago

Read 2 more answers

A 4-column table with 4 rows titled Population Data. Column 1 has entries 4, 5, 9, 15. Column 2 has entries 8, 2, 20, 1. Column

zheka24 [161]

Answer: Row 3

Row 2

6 and 10

Step-by-step explanation: C B A

5 0

1 year ago

10x + (-8)= -3x + 2<br> How do I solve this in pemda order

larisa [96]

Answer:

x= 10/13

Step-by-step explanation:

First, we need to put the variable on one side and the constants on another side.

Also a positive and a negative equal a negative. [this is related to +(-8)]

10x+(-8)= -3x+2

+3x +3x

13x-8=2

+8 +8

13x=10

Finally you divide on both sides

13x/13=10/13

x= 10/13

I hope this is right! I tried my best

4 0

2 years ago