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Arte-miy333 [17]
2 years ago
8

What are the solution(s) of x2-4-0? X= 4 or X=4 X=-2 or x= 2 x=2 x=4

Mathematics
1 answer:
Pavel [41]2 years ago
5 0

Answer:

Step-by-step explanation:

First you add 4 on both sides

X^2=0

Then you take square on both sides

X=+- the square root of 4

Simplify that

X=plus or minus 2

The answer can be either -2 or +2 (which is just 2)

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Someone please help me !
Leni [432]

Answer:

Can't tell if it went through...

1. Shop A = 2x

2. Shop B = 2x - 580

3. Total = Shop A + Shop B

1949 = 2x + 2x - 580

4. Combine like terms

2x + 2x = 4x

1949 = 4x - 580

5. Add 580 to both sides (to remove -580 from right side)

1949 + 580 = 4x - 580 + 580

2529 = 4x

6. Divide both sides by 4 (to get x)

2529 / 4 = 4x / 4

632.25 = x

7. Shop A = 2x

2 * 632.25 = 1264.50

Shop A = 1264.50

8. Shop B = 2x - 580

2 * 632.25 - 580 = 684.50

Shop B = 684.50

Check: Shop A + Shop B = 1949

1264.50 + 684.50 = 1949

Shop A = 1264.50

Shop B = 684.50

Step-by-step explanation:

8 0
2 years ago
Two chords intersect in the interior of a circle. One chord is divided into two segments measuring 8 units and 9 units. The othe
Tems11 [23]

Answer:

Step-by-step explanation:

1. When two chords intersect each other inside a circle, the products of their segments are equal. ... One chord is cut into two line segments A and B. The other into the segments C and D. This theorem states that A×B is always equal to C×D no matter where the chords are.

2. If two chords intersect inside a circle, then the measure of the angle formed is one half the sum of the measure of the arcs intercepted by the angle and its vertical angle . In the figure, m∠1=12(m⌢QR+m⌢PS) .

3. The intersecting chords theorem or just the chord theorem is a statement in elementary geometry that describes a relation of the four line segments created by two intersecting chords within a circle. It states that the products of the lengths of the line segments on each chord are equal.

8 0
3 years ago
Can someone plz help me solve this..
Vika [28.1K]

Answer:sorry I'm a 4 grader

Step-by-step explanation:

7 0
2 years ago
Write an equation rectangular room 3 meters longer than it is wide and its perimeter is 18 meters
Anon25 [30]

width = x

length = 3 + x

perimeter = x + x + ( 3 + x ) + (3+x)

18 = x + x + ( 3 + x ) + (3+x)

x + x + ( 3 + x ) + (3+x) = 18

6 + 4x = 18

4x = 12

x = 3

3 0
3 years ago
marissa claims she makes 15 calls per night at an average of 6 minutes per call. one evening, her parents kept track of each cal
emmainna [20.7K]
Marissa's claim was accurate. the average of these minute counts is 6 minutes, which is what Marissa claimed.
6 0
3 years ago
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