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3 years ago

11

Write a decimal equation that has a product of 3.15

1 answer:

Vaselesa [24]3 years ago

4 0

<span>you could have 3.15=100 times 0.0315, 10 times 0.315.</span>

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Question 3 Please. I'm really stuck :(

Stells [14]

Let ∠RTS=∠RST = a (say)
∠QUA=∠QSU= b(say)
then we know , at point S, a+40+b=180. so, a+b=140 we'll use this later.

consider trianglePQR, ∠P+∠Q+∠R=180
i.e.P+(180-2b)+(180-2a)=180
P+180+180-2(a+b)=180 ⇒P+180-2(a+b)=0 ⇒P=2(140)- 180=280-180=100
hence,answer is E

7 0

3 years ago

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Solve 3x + 23 + x = 7. x = −4 x = 4 x = −0.25 x = 0.25

Maksim231197 [3]

<h2>______________________________</h2><h2>Solve for x | Solution and Explanation </h2>

______________________________________________

Hello! So...

We are given the following:

Solve for x.

$3x+23+x=7$

====================

1. Group the like terms.

$3x+x+23=7$

====================

2. Add similar elements ( $3x+x=4x$ ).

$4x+23=7$

====================

3. Subtract 23 from both sides.

$4x + 23 - 23 = 7 - 23$

====================

4. Simplify.

$4x=-16$

====================

5. Divide both sides by 4.

$\frac{4x}{4} =\frac{-16}{4}$

====================

6. Simplify.

$x=-4$ (aka. Option A)

====================

Hope this helps!

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1 year ago

Adratic Formula

maw [93]

Answer:

Step-by-step explanation:

discriminant=5²-4×1×7=25-28=-3<0

no real number solution.

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How to solve for 1000(x-2)=75000

Andrews [41]

So, first you divide 75000 by 1000. Then you add 2 to each side. Then that's the answer, x=77

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3 years ago

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V*4x= How do you simify this equation

attashe74 [19]

It's not time to try and simplify it until you HAVE an equation. You won't have an equation until you write down what. V*4x is equal to.

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3 years ago