2 years ago

Which equation has no solution

Mathematics

2 answers:

Lera25 [3.4K]2 years ago

6 0

7y+9=7y-6

9 is not equal to -6

Stels [109]2 years ago

6 0

7y+9=7y-6

Just try and solve them all and this one doesn't make sense

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If 2 cards are selected from a standard deck of 52 cards.The first card is placed back in the deck before the 2nd card is drawn.

Mkey [24]

There are 13 cards of each suit.

Picking a heart would be 13/52 which reduces to 1/4

Then replacing the card and picking a club would be the same : 1/4

Picking a heart then a club would be 1/4 x 1/4 = 1/16

Answer: 1/16

7 0

2 years ago

9 and 5/12 - 3 and 2/3

lana [24]

Recall to always convert the mixed fractions to "improper" fractions first,

$\bf \stackrel{mixed}{9\frac{5}{12}}\implies \cfrac{9\cdot 12+5}{12}\implies \stackrel{improper}{\cfrac{113}{12}}
\\\\\\
\stackrel{mixed}{3\frac{2}{3}}\implies \cfrac{3\cdot 3+2}{3}\implies \stackrel{improper}{\cfrac{11}{3}}\\\\
-------------------------------\\\\
\cfrac{113}{12}-\cfrac{11}{3}\impliedby \textit{clearly our LCD is 12}\implies \cfrac{113-(4)11}{12}
\\\\\\
\cfrac{113-44}{12}\implies \cfrac{69}{12}\implies 5\frac{9}{12}$

5 0

3 years ago

I need help ASAP PLEASE ASAP!!!

zysi [14]

The area is 10 just use a area calculator!

3 0

2 years ago

Read 2 more answers

Order of operation 12 - 2x3 =

Anestetic [448]

PEMDAS, Awnser is 6 and for the 20 characters Awnser thing I’m typing this

8 0