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Jlenok [28]
3 years ago
8

A student concluded that the inequality -3+2y<4x is equivalent to the inequality y>2x+3/2, as shown below. Describe and co

rrect the students error
Mathematics
1 answer:
svlad2 [7]3 years ago
4 0

Step-by-step explanation:

-3+2y<4x

then

2y< 4x+ 3 (add both sides with 3)

y < 2x +3/2 ( divide both sides by 2 that is positif and we do not change the sens < )

Hope you understand.

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Y=3x+4.5 is NOT the equation the correct answer is what the person under me typed
5 0
3 years ago
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Janelle draws line segments AB and BC in the same plane such that AB = 8 cm and BC = 6 cm. Then Janelle draws
Dovator [93]

Answer:

Step-by-step explanation:

• AB, BC, and AC form a triangle. Enter a possible value of AC....

So it asks for only a possible value of AC as there are many possible values.

Given AB = 8 cm and BC = 6 cm, they are in the ratio of 3:4.

Line segments of 3, 4 and 5 length will form a right-angled triange.

A possible value of AC = 5*2 = 10cm

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So AC+CB = AB

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Enter this value of AC in the second

response box.

4 0
3 years ago
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Use the slope formula to find the slope between the given two points <br><br> (-4, -1) and (-2, -5)
OlgaM077 [116]

Answer:

-2

Step-by-step explanation:

use the slope formula which is y2-21/x2-x1

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3 0
3 years ago
On a hot summer day, Jen is in a foreign country. She wonders which
tino4ka555 [31]

Answer: Celsius scale

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Boiling temperature of water: 212\°F

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Now, 30\°C is in accordance with the high temperatures recorded in the summer season.

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8 0
3 years ago
Hi everyone I was wondering if someone could please help me out with this problem and explain it to me
PSYCHO15rus [73]
Join the centre O to the chord (let it be MN) & let OH be the perpendicular to the chord

OH bisects MN into 2 equal parts (each one is x/2)
OMH is a right triangle with one side =8, the second leg =x/2 & the hypotenuse = 12 (Radius)
Apply Pythagoras:

12² = 8² +(x/2)² ==>144=64 + x²/4 ==> x²=4(144-64) =320

x²=320==> x=√320 =17.88 ≈17.9



3 0
3 years ago
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