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dmitriy555 [2]
3 years ago
14

PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU B

RAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!! PLSSS HELPPPP I WILLL GIVE YOU BRAINLIEST!!!!!!

Mathematics
1 answer:
ozzi3 years ago
7 0

Answer:

72

Step-by-step explanation:

Just multiply all them

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Three times a number w is less than 18.
sweet [91]

Answer:

3w < 18

Step-by-step explanation:

To do 3 times if you put 3 against a variable that means to multiply. Since a number is unknown it turns into variable which is w in this case. Then less than 18 to do the less than symbol, think of them like crocodile they always eat the bigger number and since 3w is less than 18 the croc < eats 18. Thats just an easy way of remembering. Hope this helps :)

5 0
3 years ago
Which equation represents a line that intersects the line 2y − 4x = 3? A.-2y + 4x = 1 B. 3y − 6x = 6.5 C. y − 2x = 3 D. -2y − 4x
irga5000 [103]
Convert all the equations to slope-intercept form:
2y-4x=3 \ \ \ |+4x \\&#10;2y=4x+3 \ \ \ |\div 2 \\&#10;y=2x+\frac{3}{2}

A. \\&#10;-2y+4x=1 \ \ \ |-4x \\&#10;-2y=-4x+1 \ \ \ |\div (-2) \\&#10;y=2x-\frac{1}{2} \\ \\&#10;B. \\&#10;3y-6x=6.5 \ \ \ |+6x \\&#10;3y=6x+6.5 \ \ \ |\div 3 \\&#10;y=2x+\frac{13}{6}

C. \\&#10;y-2x=3 \ \ \ |+2x \\&#10;y=2x+3 \\ \\&#10;D. \\ &#10;-2y-4x=3 \ \ \ |+4x \\&#10;-2y=4x+3 \ \ \ |\div (-2) \\&#10;y=-2x-\frac{3}{2}

Lines A, B and C have the same slope as the line 2y-4x=3, so they are parallel and don't intersect it.
Line D has another slope, so it intersects the line 2y-4x=3.
The answer is D.
3 0
4 years ago
[3]<br>(b)<br>Calculate the values of c for which 2x2 – 3x + c&gt;-2 for all values of x.​
hoa [83]

Answer:

  c > -7/8

Step-by-step explanation:

Add 2 for an inequality that compares to zero:

  2x^2 -3x +(c+2) > 0

This will be true when the discriminant is negative. For the quadratic ...

  ax^2 +bx +c

the discriminant is ...

  b^ -4ac

We want this to be negative:

  (-3)^2 -4(2)(c+2) < 0

  9 -8(c +2) < 0

  9 -8c -16 < 0

  -7 < 8c

  -7/8 < c

The given inequality will be true for all values of c greater than -7/8.

3 0
3 years ago
The slope of a line is -4, and the y-intercept is -3. What is the equation of the line written in slope-intercept form?
skad [1K]

The slope/intercept form of the equation of a straight line is

                    Y  =  (slope) X  +  (y-intercept) .

You know the slope and the y-intercept.
All you have to do is take that equation and fillum in.

6 0
4 years ago
Read 2 more answers
a particular beach is eroding at a rate of 4 centimeters per year. a realtor converts this rate to millimeters per day. which ex
Over [174]

Answer:

Answer

0.109589 millimeters per day.

Explanation

10 mm = 1 cm

4 cm = 4 × 10

        = 40 mm

365 days = 1 year

rate to millimeters per day = 40 mm in 365 days

                                            = 40/365  mm/day

                                             = 8/73 mm/day

                                       or    = 0.109589 mm/day.

Rate to millimeters per day = 0.109589 millimeters per day.

Step-by-step explanation:

5 0
4 years ago
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