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V125BC [204]
3 years ago
13

The tables represent two linear functions in a system. A 2 column table with 5 rows. The first column, x, has the entries, negat

ive 4, negative 2, 0, 2. The second column, y, has the entries, 26, 18, 10, 2. A 2 column table with 5 rows. The first column, x, has the entries, negative 4, negative 2, 0, 2. The second column, y, has the entries, 14, 8, 2, negative 4. What is the solution to this system? (1, 0) (1, 6) (8, 26) (8, –22)
Mathematics
2 answers:
weeeeeb [17]3 years ago
6 0

Answer:

(8,-22)

Step-by-step explanation:

i just took the test and checked

Basile [38]3 years ago
4 0

Answer: The answer is D

Step-by-step explanation:

i took the test

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Solve by substitution-5x+4y=22 x - 3y = 0A) No solution.
zepelin [54]
We want to use substitution to solve
-5x + 4y = 22           (1)
 x - 3y = 0                (2)

From (2), obtain
x = 3y                      (3)
Substitute (3) into (1).
-5(3y) + 4y = 22
-15y + 4y = 22
-11y = 22
y = -2
From (3), obtain
x = 3y = 3*(-2) = -6

Answer: e. (-6, -2)
5 0
3 years ago
PLEASE HELP!!!!! WORTH 50 POINTS! PLEASE ANSWER ALL QUESTIONS (6,7,8,9)
iogann1982 [59]

Answer:

6. Additional information is required on the two triangles

7. The pair of triangles are similar by SAS similarity postulate

8. Yes, by triangle proportionality theorem

9. DE = 9

Step-by-step explanation:

When two or more triangles are similar, the ratio of the corresponding sides of both triangles is constant

6. From the given figure, more information is required on the two triangles

However, whereby the side with length 10 is parallel to the corresponding side on the other triangle, then the alternate angles formed by the transversal to the two parallel lines are equal and the two triangles are similar by Angle Angle, AA, similarity postulate

7. From the given triangles, the ratio of the corresponding sides relative to the given included angles are;

18/45 and 10/25

18/45 = 2/5

10/25 = 2/5

Therefore, given that two pair of corresponding sides have the same included angle and that the two included corresponding sides of the of the two triangles are proportional, then the two triangles are similar by the Side Angle Side SAS similarity postulate

8. By triangle proportionality theorem, we have;

If \overline{MN} ║ \overline{KL}, then we have;

3/6 = 4/8 = 2

∴  \overline{MN} ║ \overline{KL}

9. By triangle proportionality theorem, where \overline{BE} ║ \overline{CD}, we have;

12/20 = DE/15

∴ DE = 15 × 12/20 = 9

DE = 9

7 0
3 years ago
X^2 - 4x + 3 how do I factor the expression completely
Ipatiy [6.2K]
Bx must be the sum of the numbers in the bracket and c must be the product. So we need to choose 2 numbers that multiply to make 3 and add to make -4.

A negative x negative = positive so
-3*-1=3
-3-1=-4

Therefore:
(x-3)(x-1)
8 0
3 years ago
Read 2 more answers
If a regression analysis shows an R factor of 0.15, it is safe to assume a perfect positive relationship between cost and volume
saw5 [17]

Answer:

a very weak relationship between cost and volume

Step-by-step explanation:

The R factor is used to access the strength of the relationship between a dependent and independent variable. The R factor ranges between - 1 and 1. With negative values depicting a negative linear relationship and positive values meaning a positive relationship. The closer the R factor is to - 1 or + 1, the greater the strength, a value of 0 means, no correlation exists.

Hence, a R factor of 0.15 depicts a positive but very weak relationship between cost and volume as the R value is close to 0.

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2 years ago
Choose the equation of the horizontal line that passes through the point (2, 3).
Marizza181 [45]
The equation for the horizontal line is
y=3
5 0
3 years ago
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