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Lilit [14]
2 years ago
5

Tyla is simplifying the expression 6 - 2x + 5+ 4x here is their work:

Mathematics
1 answer:
Olin [163]2 years ago
6 0
A. You can not add numbers with different variables.

B. 11 + 2x
You might be interested in
Find the measure of each interior angle of a regular polygon with the following number of sides 10​
mina [271]

Answer:

a regular polygon has all angles measure sum up to 360 degrees so each interior angle = sum of alll angles/no.of sides so it is 360/10= 36 degrees hope its clear now

Step-by-step explanation:

8 0
3 years ago
What is 96-8c=20-12
galben [10]

Answer:

c = 11

Step-by-step explanation:

96 - 8c = 20 - 12 , that is

96 - 8c = 8 ( subtract 96 from both sides )

- 8c = - 88 ( divide both sides by - 8 )

c = 11

5 0
2 years ago
The pressure, P (in lbs/ft2 ), in a pipe varies over time. Five times an hour, the pressure oscillates from a low of 90 to a hig
Lunna [17]

P=160-70*cos(2π*(1/12)*t)

• Pressure in mathematics or physics is defined as force per unit area. The pressure exerted by a solid object which is resting on top of a solid surface is the weight divided by the area of the object . SI unit of force is Newton (N).

First, we find the amplitude by taking the difference between the peak values and dividing by two:

Amplitude=(230+90)/2=70

We can find the center value by either adding 70 to the minimum or subtracting 70 from the maximum:

90+70=160

230-70=160

This tells us that the Center Value=160

The frequency that we are operating at is given as:

f = 5/hour

so in minutes

f=5*(1/60)/minute=5/60=1/12 per minute

So, combining everything we get

P=160-70*cos(2π*(1/12)*t)

Learn more about Pressure here

brainly.com/question/26040104

#SPJ9

7 0
2 years ago
The ages of two brothers are in the ratio two to three, but in eight years, the ratio of Their ages will be three to four. what
Gnoma [55]
O - older one
y - younger one

\dfrac{y}{o}=\dfrac{2}{3}\\
\dfrac{y+8}{o+8}=\dfrac{3}{4}\\\\
2o=3y\\
3o+24=4y+32\\\\
2o-3y=0\\
3o-4y=8\\\\
-8o+12y=0\\
\underline{9o-12y=24}\\
o=24



It's 24.
8 0
3 years ago
Which portion would you use to solve this problem?
atroni [7]

p\%=\dfrac{p}{100}\\\\4\%=\dfrac{4}{100}\\\\\dfrac{9}{x}=\dfrac{4}{100}\to\boxed{B.}

7 0
3 years ago
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