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3 years ago

Plz help! 20 points!

Mathematics

1 answer:

Colt1911 [192]3 years ago

5 0

7. increasing; non-linear
8.A. y=4^x
9.A. y=6x

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an alloy of tin is 15% tin weigh 20 pounds . A second alloy is 10% tin . how much pounds of the second alloy must be added to th

Ulleksa [173]

12%=(3+10%*x)/(20+x)
x=30

add 30 pounds of the second alloy

7 0

2 years ago

247 students went on a field trip. six buses were filled and 7 students traveled in cars. How many students were in each bus ?

Nuetrik [128]

from all the 247 students, 7 went on by cars, meaning they didn't fit in the buses, so they students that went in the buses are 247 - 7 = 240.

now, we know there were 6 buses, so dividing 240 evenly by 6, 240/6 = 40.

4 0

3 years ago

Line AB passes through points A(−6, 6) and B(12, 3). If the equation of the line is written in slope-intercept form, y=mx+b, the

san4es73 [151]

Answer:

We get value of the value of b = 5

Step-by-step explanation:

Line AB passes through points A(−6, 6) and B(12, 3). If the equation of the line is written in slope-intercept form, y=mx+b, then m=m equals negative StartFraction 1 Over 6 EndFraction.. What is the value of b?

We have slope m: $m=-\frac{1}{6}$

We need to find value of b (y-intercept)

Using the point A(-6,6) and slope $m=-\frac{1}{6}$ we can find b.

Using slope-intercept form, putting values of m and x and y we get the value of b:

$y=mx+b\\6=-\frac{1}{6}(-6)+b\\6=1+b\\b=6-1\\b=5$

So, we get value of the value of b = 5

5 0

2 years ago

What is the solution to the equation 37x = 9x + 4? -7 -1/7 1/7 7

aivan3 [116]

37x = 9x + 4

37x - 9x = 4

28x = 4

x = 7

3 0

2 years ago

Read 2 more answers

Write a polynomial that has a GCF of 7m and another with a GCF of 2ab squared.

SVEN [57.7K]

The polynomial that has a GCF of 7m is 14mn - 21m + 49m²n + 7mn²

The polynomial that has a GCF of 2ab² is 6a²b² - 8ab³ + 4a³b² + 2a³b³

<h3>Writing Polynomials </h3>

From the question, we are to write a polynomial that has a GCF of 7m

That is,

We are to write a polynomial that has a greatest common factor of 7m

Writing the polynomial

14mn - 21m + 49m²n + 7mn²

The polynomial above has a greatest common factor of 7m. That is, 7m is the greatest factor that can divide each of the terms

We are to write a polynomial with a GCF of 2ab²

Writing the polynomial

6a²b² - 8ab³ + 4a³b² + 2a³b³

The polynomial above has a greatest common factor of 2ab². That is, 2ab² is the greatest factor that can divide each of the terms

Hence,

The polynomial that has a GCF of 7m is 14mn - 21m + 49m²n + 7mn²

The polynomial that has a GCF of 2ab² is 6a²b² - 8ab³ + 4a³b² + 2a³b³

Learn more on Writing polynomials here: brainly.com/question/4525973

#SPJ1

7 0

1 year ago