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3 years ago

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 x

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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Answer:

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Step-by-step explanation:

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2 years ago

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2 years ago

On a long distance bike trip Annike started at 7 a.m and her average speed was 11 miles per hour and Celia travels 14 miles per

Troyanec [42]

Answer:

Annike's bike trip started at 7:00, if she and Celia both start at the same time you would multiply Annike's average speed by Celia's average speed to find where they would have completed the same number of miles

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Step-by-step explanation:

counting by 11:

11 22 33 44 55 66 77 88 99 110 121 132 143 154

11 × 14 = 154

counting by 14:

14 28 42 56 70 84 98 112 126 140 154

14 × 11 = 154

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3 years ago