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TEA [102]
2 years ago
13

Set up a proportion and solve for x.

Mathematics
1 answer:
kotykmax [81]2 years ago
6 0

30x11 is 330.

300mins

Sorry i'm a little tired, if you want ask me how i got it and show my work in the comments. Thanks u

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What is a name for a symbol like +, -, ∙ or ÷?
Radda [10]
+ is positive, or plus
- is negative, or minus
the third one is multiply, can look like * and "x"
the fourth one is divide, can look like "/"

hope this helps
8 0
3 years ago
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Solve the equation.(please ~u~)<br><br> 9 = 6y + 33
sladkih [1.3K]
9 = 6y + 33
9 - 33 = 6y
6y = 9 - 33
y = \frac{ - 24}{6} = - 4
y = -4
3 0
3 years ago
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Aaron is 15 centimeters taller than Peter, and five times Aaron's height exceeds two times Peter's height by 525 centimeters. Th
Tatiana [17]
The system of linear equations that relates x and y:
x= 15 + y
5 x = 2 y+ 525
We will solve this system using substitution method:
5(15 + y)=2 y + 525
75 + 5 y = 2 y + 525
5 y - 2 y = 525 - 75
3 y = 450,           y = 450 : 3        y = 150
x = 15 + y           x = 15 + 150     x = 165
Answer: Aaron´s height is 165 cm and Peter´s height is 150 cm.
4 0
3 years ago
Read 2 more answers
Factor the polynomial 3x4 – 2x2 + 15x2 - 10 by grouping.
prohojiy [21]

Answer:

see explanation

Step-by-step explanation:

Given

3x^{4} - 2x² + 15x² - 10

Factor the first/second and third/fourth terms )

= x²(3x² - 2) + 5(3x² - 2) ← factor out (3x² - 2) from each term

= (3x² - 2)(x² + 5)

4 0
2 years ago
Read 2 more answers
2. Write an equation of the line in<br> slope-intercept form.<br> (5, 3)<br> 2<br> f(0, -1)
Leona [35]

Answer:

We need to use

Step-by-step explanation:

We have to use the equation for passing through the points known as

y2-y1/x2-x1

-1-3/0-5= -4/-5

the answer is 4/5

decimal: 0.8

7 0
2 years ago
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