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Bond [772]
2 years ago
14

Use compatible numbers to estimate the number 5,686.

Mathematics
1 answer:
Zielflug [23.3K]2 years ago
8 0

Answer:

The esitmated version of 5686 divided by 80 is 5680/80.

Step-by-step explanation:

Both numbers are compatible, and they round correctly.

Thank you hope this helped!

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X² - xy = 0<br> x + y = 1
wolverine [178]

Answer:

(0, 1 ) and (\frac{1}{2}, \frac{1}{2} )

Step-by-step explanation:

Given the 2 equations

x³ - xy = 0 → (1)

x + y = 1  → (2) ( subtract x from both sides )

y = 1 - x → (3)

Substitute y = 1 - x into (1)

x² - x(1 - x) = 0

x² - x + x² = 0

2x² - x = 0 ← factor out x from each term on the left side

x(2x - 1) = 0

Equate each factor to zero and solve for x

x = 0

2x - 1 = 0 ⇒ 2x = 1 ⇒ x = \frac{1}{2}

Substitute these values into (3) for corresponding values of y

x = 0 : y = 1 - 0 = 1 ⇒ (0, 1 )

x = \frac{1}{2} : y = 1 - \frac{1}{2} = \frac{1}{2} ⇒ ( \frac{1}{2}, \frac{1}{2} )

3 0
3 years ago
Evaluate the function over the domain {-2, -1, 0, 1, 2, 3}. As the values of the domain increase, do the values of the range inc
coldgirl [10]

Answer:

hhhhhhhjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

8 0
2 years ago
Which of the following is an equations of the line passing through the points (-1,4) and (1,2)
maxonik [38]

Answer:

y = -1x + 3 or y = -x + 3 (**That is the last option which is D**)

Step-by-step explanation:

You need to do slope-intercept formula and the slope formula.

The Slope-Intercept Formula: y=mx+b

The Slope Formula: y2 - y1 / x2-x1

Your coordinates:

(-1,4) and (1,2)

2 - 4/1- (-1)

-2/2

Simplified is -1

Your "m" in the slope-intercept formula is -1

Formula: y=-1x + b

Now, you need to find the Y-Intercept which is the "b"

Using our slope-intercept formula, you need to plug in "x1" and "y1"

4 = -1(-1) + b

4 = 1 +b

4-1 = b

3 = b

So your equation is:

y = -1x + 3 or y = -x + 3

6 0
2 years ago
Necesitoooooo ayudaaaaaaaaaaaa
SCORPION-xisa [38]

Answer:

x = 50, y = 140

Step-by-step explanation:

The angles x, 40 and 90 lie on a straight line and sum to 180° , that is

x + 40 + 90 = 180

x + 130 = 180 ( subtract 130 from both sides )

x = 50

The angle vertically opposite x is congruent to x , that is 50°

y = 90 + 50 = 140

5 0
3 years ago
The perimeter of a rectangle is 120cm. The ratio of the length to the with is 3 to 2. What is the length of the longer side of t
Katyanochek1 [597]
The longer side is 36 and the shorter side is 24
8 0
2 years ago
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