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andreyandreev [35.5K]
3 years ago
15

Five times the difference of twice a number and nine is negative five. Find the number.

Mathematics
2 answers:
Ilya [14]3 years ago
4 0

Answer:

x = 4

Step-by-step explanation:

Step 1: Write out the expression

5(2x - 9) = -5

Step 2: Solve for <em>x</em>

10x - 45 = -5

10x = 40

x = 4

Talja [164]3 years ago
3 0

Answer:

X=4 ANS.

PROOF:

5(2*4-11)=-15

5(8-11)=-15

5*-3=-15

-15=-15

Step-by-step explanation:

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Y+5=2(x+1)<br><br><br> what is the slope for this Math
Stells [14]

Answer:

2

Step-by-step explanation:

The slope-intercept form is

y=mx+b, where m is the slope and b is the y-intercept.y=mx+bRewrite in slope-intercept form.Simplify 2(x+1).Apply the distributive property.

y+5=2x+2⋅1

multiply 2 by 1.

y+5=2x+2

y+5=2x+2

Move all terms not containing y to the right side of the equation.Subtract 5 from both sides of the equation.

y=2x+2−5

y=2x−3

the slope is the "m" so the slope is 2

7 0
3 years ago
6 1/2 chocolate chips and 5/2 cups of flour how many more cups of chocolate chips use than cups of flours
PIT_PIT [208]

Answer: 4

Step-by-step explanation:

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The cups of flour should be changes to a mixed fraction and this will be 5/2 = 2 1/2

The question simply means we should find the difference between the fractions given and this will be:

= 6 1/2 - 2 1/2

= 4

8 0
2 years ago
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Yuri [45]
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