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NARA [144]
3 years ago
13

X= 2 y-4 7 x + 5y = -66

Mathematics
1 answer:
Mars2501 [29]3 years ago
6 0

Answer:

−7x−5y=4 - 7 x - 5 y = 4. Rewrite in slope-intercept form. Tap for more steps... The slope-intercept form is y=mx+b y = m x + b , where m m is the slope and b b is ...

Step-by-step explanation:

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A "Gallop Poll" is a national
Triss [41]

Answer:

How polls are conducted Gallup?

Gallup World Poll methodology

Gallup asks each respondent the survey questions in his or her own language to produce statistically comparable results. Gallup uses telephone surveys in countries where telephone coverage represents at least 80% of the population

Step-by-step explanation:

8 0
4 years ago
What is the solution for the system of equations? <br> y= 2x - 3<br> 4x - 3y = 31
gladu [14]

Answer:

It is easy it is a 2 step equation if you know the 2 four boxes

Step-by-step explanation:

is the variable alone?

No

what is it attached to?

you always do adding or subtracting first so it is attached to 3

How is it attached?

by subtraction

what is the inverse operation?

it is addition

then all you do is the same thing but with multiplication or division

4 0
3 years ago
Read 2 more answers
20 POINTS !!! <br><br> Find the distance between the points (3,-4) and (5, 4)
jeka57 [31]

Answer:

d=2\sqrt{17}\approx8.2462

Step-by-step explanation:

To find the distance between two points, use the distance formula.

The distance formula is:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2

Let (3,-4) be x₁ and y₁ and let (5,4) be x₂ and y₂. Therefore:

d=\sqrt{(5-3)^2+(4--4)^2

Simplify:

d=\sqrt{(2)^2+(8)^2

Square:

d=\sqrt{4+64}

Add:

d=\sqrt{68}

Simplify:

d=\sqrt{4\cdot17}=\sqrt4\cdot\sqrt{17}

Simplify:

d=2\sqrt{17}\approx8.2462

8 0
4 years ago
Read 2 more answers
Choose the correct simplification of the expression (a^3/b^7)^2
alekssr [168]

Answer:

(a^3/b^7)^2 = (a^6/b^14)

4 0
3 years ago
Using the identity (a + b) (a - b) = a - b², evaluate 49 × 51.​
nevsk [136]

\\ \sf\longmapsto 49\times 51

\\ \sf\longmapsto (50-1)(50+1)

\\ \sf\longmapsto (50)^2-(1)^2

\\ \sf\longmapsto 2500-1

\\ \sf\longmapsto 2499

8 0
3 years ago
Read 2 more answers
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