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3 years ago

I NEED HELP ASAP !!!!!!!!!!

Mathematics

2 answers:

cestrela7 [59]3 years ago

8 0

I can’t see the entire answers for A and C

Sonbull [250]3 years ago

8 0

Answer:

Step-by-step explanation:

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7. Which of the following can be determined from the graph below?

tatyana61 [14]

Answer:

The ordered pair (6,25) is a solution to both

$y=-\frac{5}{2}x+40$ and $y=\frac{5}{3}x+15$

Step-by-step explanation:

Part 7)

step 1

Find the equation of the line with positive slope

take the points (0,15) and (9,30)

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the given values

$m=\frac{30-15}{9-0}$

$m=\frac{15}{9}$

simplify

$m=\frac{5}{3}$

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$m=\frac{5}{3}$

$b=15$

substitute

$y=\frac{5}{3}x+15$

step 2

Find the equation of the line with negative slope

take the points (0,40) and (8,20)

Find the slope

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the given values

$m=\frac{20-40}{8-0}$

$m=-\frac{20}{8}$

simplify

$m=-\frac{5}{2}$

Find the equation of the line in slope intercept form

$y=mx+b$

we have

$m=-\frac{5}{2}$

$b=40$

substitute

$y=-\frac{5}{2}x+40$

step 3

Find the solution of the system

we know that

The solution of the system of equations is the intersection point both graphs

The intersection point is (6,25) ----> see the graph

therefore

The ordered pair (6,25) is a solution to both $y=-\frac{5}{2}x+40$ and

$y=\frac{5}{3}x+15$

7 0

3 years ago

Negative three times a number plus four is no more than the number minus 8

ki77a [65]

Answer:

-3n+4< (or equal to) n-8

4 0

3 years ago

Read 2 more answers

Find the 6th term of a geometric sequence with t1=5 and r = -1/2

Hoochie [10]

In this item, we are to calculated for the 6th term of the geometric sequence given the initial value and the common ratio. This can be calculated through the equation,

An = (A₀)(r)ⁿ ⁻ ¹
where An is the nth term, A₀ is the first term (in this item is referred to as t₀), r is the common ratio, and n is the number of terms.

Substitute the known values to the equation,

An = (5)(-1/2)⁶ ⁻ ¹
An = -5/32

Hence, the answer to this item is the third choice, -5/32.

5 0

3 years ago

What is 7.4% written as a decimal?

BlackZzzverrR [31]

$p\%=\frac{p}{100}\\\\7.4\%=\frac{7.4}{100}=\frac{7.4\cdot10}{100\cdot10}=\frac{74}{1000}=\boxed{0.074}$

5 0

3 years ago

A theater manager is planning an upcoming concert. Regular tickets will cost $12 and student tickets will cost $8. The theater c

Vinil7 [7]

Answer: The constraints for this solution would be: 1000 >_ 12x + 8y; 200 <_ x + y

Step-by-step explanation:

3 0

3 years ago