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pishuonlain [190]
3 years ago
5

Please tell me the first step in evaluating: 3(x + 2) = 5 Then simplify it completely.

Mathematics
1 answer:
Sonja [21]3 years ago
6 0
So what you need to do in an equation like this is first to distribute meaning the number directly outside the parentheses needs to be multiplied by the numbers inside the parentheses:
3x + 6 = 5 then: subtract each side by six
3x = -1 now: divide each side by 3 to get x by itself
x = -1/3
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Lg(5x+10)+2lg3=1+lg(4x+12)<br>need them fast with steps
pashok25 [27]

Answer:

x=6

Step-by-step explanation:

log(5x+10)-log(4x+12)=1-2log(3)

log(5x+10/4x+12)=1-2log(3)

log(5x+10/4x+12)=log(10)+log(3^-2)

log(5x+10/4x+12)=log(10×3^-2)

log(5x+10/4x+12)=log(10×1/9)

log(5x+10/4x+12)=log(10/9)

5x+10/4x+12=10/9

9(5x+10)=(4x+12)10

45x+90=40x+120

5x=30

x=6

if you like my answer. Please mark me as brainliest

5 0
3 years ago
I will give brainliest to whoever can answer this question. It’s due in 40 min Please help me )):
Aleonysh [2.5K]

Given:

m\angle L=m\angle Z=70^\circ

m\angle N=m\angle Y=90^\circ

To find:

The value of m\angle 1.

Solution:

In triangle XYZ,

m\angle Y=m\angle N=90^\circ        (Given)

m\angle Z=m\angle L=70^\circ         (Given)

m\angle X+m\angle Y+m\angle Z=180^\circ        [Angle sum property]

m\angle 1+90^\circ+70^\circ=180^\circ

m\angle 1+160^\circ=180^\circ

m\angle 1=180^\circ-160^\circ

m\angle 1=20^\circ

Therefore, the m\angle 1 is 20°.

5 0
3 years ago
Determine whether each statement is true or false. If false, give a counterexample.
bezimeni [28]
This statement is true, or else you wouldn't have a sphere.
7 0
3 years ago
A) Between x 2 and x 3, which function has a greater average rate of change than f(x)=1/6^-x
Arturiano [62]

Answer:

4^x+1

Step-by-step explanation:

because i got it wrong

3 0
3 years ago
Qual a resposta dessa expressão numérica? 3-10³-3.10².2².1²
Len [333]
I don't understand your language and I don't know which language is this but I try to answer your question. 3-1000-3*100*4*1 3-1000-1200 3-2200 =-2197
6 0
3 years ago
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