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natka813 [3]
3 years ago
12

A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.

Mathematics
1 answer:
PolarNik [594]3 years ago
5 0

Answer:

Add to eliminate X that way it will be much easier to solve the system of equations.

Step-by-step explanation:

-9x + 4y = 17

9x + 7y = 5

11y = 22

Last step is to divide both sides by 11 and your answer should come to 2!

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What is 10 to the negative 6th power?
Ivanshal [37]

Answer:

0.000001

Step-by-step explanation:

It is because 10 is represented as just like 10 and then in a certain place.  And then the negative means it is to the right of the decimal. 6th power means the 6th place. So, basically it means, 10 in the 6th to the right place which is 0.0000010. You do not need the last zero because there is no value after that, so 0.000001.

Sorry if I am wrong! Can I be brainlieest? TYSM

4 0
3 years ago
Write an equation of the line in slope-intercept form that passes through the point (3, 8) with slope 4?
iren [92.7K]
Slope intercept form:
Y = mx + b
m = slope, b = y intercept
Given the slope of 4
Y = 4x + b
Plug in the point (3,8)
8 = 4(3) + b
8 = 12 + b, b = -4
Y intercept = -4

Solution: y = 4x - 4
8 0
3 years ago
1/3 + 5/6 + 5/12 What is the answer
SOVA2 [1]
1/3 + 5/6 + 5/12

1.583333333333333
3 0
4 years ago
Read 2 more answers
In a particular country, there are two types of currency: Kabuls and Carumpts. 8 Kabuls and 2 Carumpts are worth $61.70. 3 Kabul
Misha Larkins [42]

Answer:

Kabuls = 7.5

Carumpts= 0.85

Step-by-step explanation:

Let x represent the price of kabuls

Let y represent the price of carumpts

8x + 2y= 61.70......equation 1

3x + 10y= 31.........equation 2

Multiply equation 1 by 3 and equation 2 by 8

24x + 6y= 185.1

24x + 80y= 248

-74y = -62.9

y= 62.9/74

y= 0.85

Substitute 0.85 for y in equation 1

8x + 2(0.85) = 61.70

8x + 1.7= 61.70

8x = 61.70-1.7

8x = 60

x= 60/8

x= 7.5

Hence the dollar value for kabuls is 7.5 and carumpts is 0.85

3 0
3 years ago
How would I answer this question? Can someone please help me, and explain why. Thank you.
Serjik [45]
Can you tell me what you need help because it doesn't says
4 0
4 years ago
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