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Paraphin [41]
4 years ago
9

SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!

Mathematics
1 answer:
Kay [80]4 years ago
6 0

Answer:

Step-by-step explanation:

(3w^4-8w^2z^2+4z^4)-(5w^4+7w^2z^2-8z^4)

=3w^4-8w^2z^2+4z^4-5w^4-7w^2z^2+8z^4

=(3-5)w^4+(-8-7)w^2z^2+(4+8)z^4

so she made mistake in step 2.

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PLLLLLZZZZZ HEEELLLLPPPPP 20 POINTS TO BRAINLIEST
sineoko [7]
The first thing you should do is verify that the ordered pairs satisfy equality. If so, then that pair ordered belongs to the line. Let us begin:
 3x-4y = 9

 (-1.3)
 3 (-1) -4 (3) = 9
 -3-12 = 9
 -15 = 9 (Does not belong)

 (2/3, -7 / 4)
 3 (2/3) -4 (-7/4) = 9
 6 + 28 = 9
 34 = 9 (Does not belong)

 (-5, -6)
 3 (-5) -4 (-6) = 9
 -15 + 24 = 9
 9 = 9 (Yes, it belongs)

 (1, -3 / 2)
 3 (1) -4 (-3/2) = 9
 3 + 6 = 9
 9 = 9 (Yes, it belongs)

 answer
 ordered pairs are
 (-5, -6)
 (1, -3 / 2)
4 0
4 years ago
Read 2 more answers
What is the distance between (2, 6) and (7, 6)?
DedPeter [7]

Answer: 5

Step-by-step explanation:

D = √(x₂ - x₁)² + (y₂ - y₁)²

x₁ =2 y₁ =6 x₂ =7 y₂ =6

D =√(7-2)² +(6-6)²

D=√(5)² +(0)²

D =√25

D=5

6 0
3 years ago
Solving multi step Equations
Snowcat [4.5K]

Hello there!


2(x + 5) = 3x + 1

You want to start with the distribution property

(2)(x) + (2)(5) = 3x + 1

2x + 10 = 3x + 1

2x - 3x = 1 - 10

-x = -9

Multiply by -1 to remove the negative sign

x = 9



3y - 4 = 6 - 2y

3y + 2y = 6 + 4

5y = 10

y = 10/5


As always, it is my pleasure to help student like you.

5 0
4 years ago
The value of the 9 is ten times the value of the 9 in 329,513. The value of the 2 is one-tenth the value of the 2 in 7,562. The
nexus9112 [7]

Answer: The number is 90,000.26

Step-by-step explanation:

Extracting key information from the question:-

*** The value of the "9" in Lea's riddle is 10 times the one in 329,513

*** The value of the "2" in the riddle is 1/10 the value of the 2 in 7,562.

*** The value of the 6 in the riddle is one-tenth the value of the 6 in 4.68

*** We are required to solve this possible and reveal the number.

Now, in the number 329,513 the place value of 9 is 9,000. According to the information provided, the value of the 9 in the riddle is ten times the value of the 9 in 329,513.

So, multiplying 9000 by 10 gives:-

9,000 × 10

= 90,000

Again, the value of the 2 in the riddle is one-tenth (1/10) the value of the 2 in 7,562. The value of 2 in 7,562 is 2 units, therefore one-tenth of this 2 units will give:-

1/10 × 2

= 0.2

Similarly, the value of 6 in the puzzle is one-tenth (1/10) the value of the 6 in 4.68; The 6 here is 6 hundredth = 0.6

Therefore, the value of 6 in the puzzle is:

1/10 × 0.6

= 0.06

In order to discover the number in Lea's riddle, we will then add up the calculated values:-

= 90,000 + 0.2 + 0.006

= 90,000.26

This number is the answer to Lea's riddle.

4 0
3 years ago
How do I find the x and y intercepts from two given points?<br><br> (-7,6),(-4,11)
V125BC [204]

Answer:

the desired x-intercept is (-53/5, 0); the y-intercept is  (0, 53/3).

Step-by-step explanation:

Find the equation of the line through the given points first:

As we move from (-7,6) to (-4,11), x increases by 3 and y by 5.

Thus, the slope of this line is m = rise / run = 5/3.

Use the slope-intercept formula y = mx + b.  Substitute 5/3 for m, 6 for y and -7 for x:

6 = (5/3)(-7) + b, where b is the y-coordinate of the y-intercept:

6 = -35/3 + b, or 18/3 = -35/3 + b.  Adding 35/3 to both sides, we get:

53/3 = b.

Then the y-intercept is (0, 53/3).

To find the x-intercept, let y = 0 and solve the resulting equatin for x:

0 = (5/3)x + 53/3, or 0 = 5x + 53.  Then x = -53/5, and the desired x-intercept is (-53/5, 0).

3 0
3 years ago
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