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Karo-lina-s [1.5K]
2 years ago
14

Draw the graph of linear equation 2x - 3y + 7 - 0) and hence find the coordinates of the point when the

Mathematics
1 answer:
kow [346]2 years ago
8 0

Answer:

The line crosses the x-axis at the point (-3.5,0).

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Solve x2 – 8x + 15 &lt; 0.<br><br> Select the critical points for the inequality shown.
quester [9]

Answer:

x=3,5

Explanation:

x2−8x+15=0

Try to express the terms of the equation in square form.

Adding 16 both sides of the equation,

(x2−2⋅x⋅4+42)+15=16

or,(x−4)2+15−16=0

or,(x−4)2−1=0

or,(x−4)2−12=0

This is the a2−b2=(a+b)(a−b)form.

(x−4+1)(x−4−1)=0

or,(x−3)(x−5)=0

Now, equate both the terms to zero since both of them when multiplied, give zero.

Either,

x−3=0

∴x=3

Or,

x−5=0

∴x=5

Ans:x=3,5 Hope this helpsXD...!!

4 0
2 years ago
Read 2 more answers
5. A hockey player whose initial speed is 8.1 m/s increases his speed to 8.6 m/s in order to get to
balu736 [363]

Answer:

0.1m/s²

Step-by-step explanation:

the explanation is in the picture

please rate and mark as brainliest

5 0
3 years ago
LUAHLILULL-----
Ann [662]

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Step-by-step explanation:

Let,

x be the gift wrapped with wrapping paper.

y be the gifts in gift bag.

Time for wrapping one gift = 6.5 minutes

Time for doing 1 gift bag = 3 minutes

Total gifts = 19

Total time = 74.5 minutes

According to given statement;

x+y=19

6.5x+3y=74.5

x+y=19 and 6.5x+3y=74.5 can be used to determine the number of gifts wrapped and number of giftbags prepared where x represents the wrapped gifts and y represents giftbags.

Keywords: linear equation, addition

Learn more about linear equations at:

  • brainly.com/question/788903
  • brainly.com/question/774670

#LearnwithBrainly

3 0
3 years ago
The function f is given in three equivalent forms.
Reil [10]

Answer:

C     Vertex is (2, 27)

Step-by-step explanation:

C     Vertex is (2, 27)

3 0
2 years ago
Mr. Rifkin had 240 digital and manual cameras. After donating 82 digital cameras and 26 manual cameras, he had 3 times as many d
Oliga [24]
<span>He started with 184 digital cameras and 56 manual cameras

Work--> </span>d + m = 240   equation 1 (d-82) = 3(m-26)  equation 2d - 82 = 3m - 78d - 3m = 82 - 78d - 3m = 16         equation 2 simplified  d + m = 240d - 3m = 16         subtract equation 1 from equation 2---------------   -4m = -224      m = -224/-4      m = 56 d + m = 240d = 240-md = 240-56d = 184
4 0
3 years ago
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