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Virty [35]
3 years ago
10

Match the following items.

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

#1 is 3x + 4 =-17 #2 is 3x =-21 #3 is x = -7 #4 is 2x + x +4 = -17

Step-by-step explanation:

#1 gives you the problem ready to be worked out. #2 all you need to do to finish it is divide both sides by 3. #3 the answer is already there. #4 You need to combine the like terms then solve the problem.

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5y-y=32 what does y equal
Vsevolod [243]
4y = 32
y = 8

anything to ask please pm me
5 0
3 years ago
0.5y-2 2/5=1/2y+2.4<br> solve for y
DochEvi [55]

Answer:

0

Step-by-step explanation:

3 0
3 years ago
1) A grocer sold 5 kg of wheat flour at Rs 30 per kg and gained 20%. If he had sold
natita [175]

Answer:

given,

selling price (sp)=rs 5 ×30

=rs 150

now, gain %=20%

cost price (cp)=

\frac{sp \times 100}{100 + gain\%}

= \frac{150 \times 100}{100 + 20}

therefore cp= rs125

now,

again in 2nd case

sp= rs 27×5

therefore sp=rs 135

and cp= rs125

now, sp>cp so,

gain\% = \frac{sp - cp}{cp}  \times 100\%

or, gain=

=  \frac{135 - 125}{125}  \times 100\%

therefore gain %= 8%.... is answer

<em>hope</em><em> </em><em>it</em><em> </em><em>helps</em><em>.</em><em>.</em>

6 0
3 years ago
Each of four friends orders a sweatshirt from a catalog. There are 16 colors of sweatshirts, 7 of which are all cotton and 9 of
sashaice [31]
<span>There are 16 sweatshirts in total.
7 of which are cotton. 
There are 4 friends.
Say they all choose cotton sweatshirts,
First friend: (7/16)
Second friend: (6/15)
Third friend: (5/14)
Fourth friend: (4/13)

As you can see, there is a deduction in total number of sweatshirts available to be chosen and also in the total number of cotton sweatshirts available to be chosen.

Multiply these together = </span><span>(7/16)*(6/15)*(5/14)*(4/13)
= </span><span>0.01923076923 = 1.92%

1.92% is the probability all friends order cotton sweatshirts</span>
6 0
3 years ago
Read 2 more answers
8/14 + 15/28 need help!
Elis [28]

Answer:

1.107...

Step-by-step explanation:

I used a calculator and got, 1.1071428571428571428571428571429

7 0
3 years ago
Read 2 more answers
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