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Mashutka [201]
3 years ago
8

Which scatterplot shows the weakest negative linear correlation?

Mathematics
2 answers:
vlabodo [156]3 years ago
7 0

Answer:

the second option and first one i took the test and i got it right.

Step-by-step explanaition

i just did the test

kherson [118]3 years ago
4 0

Answer:

the first option, i took the test

Step-by-step explanation:

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Solve the solution using the substitution method <br><br>3x +5y = 29<br>y= -4x -1
Artist 52 [7]
3x + 5y = 29         first equation
y = -4x - 1             second equation

substitute the second equation to the first equation;
3x + 5(-4x - 1) = 29
-17x - 5 = 29

solve for x;
-17x - 5 = 29
-17x = 34
x = -2

substitute x = -2 into the second equation to find y;
y = -4x - 1
y = -4(-2) - 1
y = 8 - 1
y = 7

so;
x = -2,  y = 7

hope this helps, God bless!
3 0
3 years ago
Two trains leave towns 1490 kilometers apart at the same time and travel toward each other. One train travels 20 km/h slower tha
antiseptic1488 [7]

Answer:

the rate of each train is 139 km/h and 159 km/h.

Step-by-step explanation:

let

v = the rate of the slower train

v + 20 = the rate of the faster train

d = 1490 km the distance that the two train will travel

t = 5 hr the time of the travel

since speed = distance/time => distance = speed*time

v*t + (v+20)t = d

5v + 5(v + 20) = 1490

5v+5(v+20)=1490

Step 1: Simplify both sides of the equation.

5v+5(v+20)=1490

5v+(5)(v)+(5)(20)=1490(Distribute)

5v+5v+100=1490

(5v+5v)+(100)=1490(Combine Like Terms)

10v+100=1490

10v+100=1490

Step 2: Subtract 100 from both sides.

10v+100−100=1490−100

10v=1390

Step 3: Divide both sides by 10.

10v/10 = 1390/10

v = 139km/h

Next

we add 139 to 20

139 + 20 = 159 km/h

the rate of each train is 139 km/h and 159 km/h.

7 0
3 years ago
HELP PLZZZ
Helga [31]

Answer:

A square

Step-by-step explanation: A square is a parallelogram. This is always true. Squares are quadrilaterals with 4 congruent sides and 4 right angles, and they also have two sets of parallel sides.

8 0
4 years ago
Read 2 more answers
I purchased a plot of land for $15000 in 2000, the value of the land has appreciated over the years at a rate of 2.84%. What was
Gre4nikov [31]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
Four times the sum of a number and 15 is at least 120. Let x represent the number. Find all possible values for x.
lorasvet [3.4K]
Four times the sum of a number and 15 is at least 120
Let ‘x’ represent the number.
 "The sum of a number and 15"
This can be written mathematically as x + 15
 Given that 4 times this sum is at least 120,
This means that 4 times the sum is greater than or equal to 120
This can be written mathematically as 4(x + 15) >= 120
 Solving for x
 4(x + 15) >= 120
4x + 60 >= 120
4x >= 120 – 60
4x >= 60
x >= 60/4
x >= 15
 x is greater than or equal to 15 <span>
</span>
4 0
3 years ago
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