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NNADVOKAT [17]
3 years ago
8

What two numbers multiply to get -60 and add to get 7?

Mathematics
2 answers:
UNO [17]3 years ago
5 0
12 × -5 = 60
12 + (-5) = 12 - 5 = 7
Paha777 [63]3 years ago
5 0
-12 and 5. To work this out, find all the numbers that times togther to make -60. Then see if any of them add together to make 7. The best way to do it is trial and error
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4x-2/6 = 5/3<br>anyone got a clue ?​
Novosadov [1.4K]

\frac{4x - 2}{6}  =  \frac{5}{3}  \\  \\ 3(4x - 2) = 6 \times 5  \\ 12x - 6 = 30 \\ 12x = 30 + 6 \\ 12x = 36 \\ x =  \frac{36}{12} \\   \\ x = 3

.... Hope this will help....

5 0
3 years ago
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A wallet contains $460 in $5, $10, and $20 bills. The number of $5 bills exceeds twice the number of $10 bills by 4, and the num
Butoxors [25]

Answer:

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

Step-by-step explanation:

Let x number of $5, y number of $10 and z number of $20

The number of $5 bills exceeds twice the number of $10 bills by 4.

Therefore, x = 2y + 4

The number of $20 bills is 6 fewer than the number of $10 bills.

Therefore, z = y - 6

A wallet contains $460 in $5, $10, and $20 bills.

Therefore,

5x + 10y + 20z = 460

Substitute x and y into equation

    5(2y+4) + 10y + 20(y-6) = 460

10y + 20 + 10y + 20y - 120 = 460

                           40y - 100 = 460

                                    40y = 460 + 100

                                    40y = 560

                                      y = 14

  • Put the value of y into x = 2y + 4 and solve for x

                                      x = 2(14) + 4

                                      x = 32

  • Put the value of y into z = y - 6 and solve for z

                                      z = 14 - 6

                                      z = 8

Hence, the each type of bills,

Number of $5 bills = 32

Number of $10 bills = 14

Number of $20 bills = 8

3 0
3 years ago
Read 2 more answers
An equation and the steps to solve it are shown below:
liraira [26]
Step 1, 
what i am thinking you're saying is 2x-1/4(12x+4)
so you would distribute the -1/4 to the 12x and the 4. 
therefore making it a negative, not a positive.
so, i think step 1 is wrong.
6 0
3 years ago
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PLS HELP!<br>0.99 is what percent of 9.90?
Leno4ka [110]

Answer:

10%

Step-by-step explanation:

first let's write out the problem

0.99 is what percent of 9.90     =        0.99=9.90*x

We need to   what c is so we would do the opposite operation of multiplication, division so we get,

0.99/9.90= .1

now we turn .1 into  percent and get out answer

0.1= 10%

3 0
2 years ago
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A coach chooses six out of eight players to go to a skills workshop. If order does not matter, in how many ways can he choose th
Serga [27]
A.6 BECAUSE THATS THE ANSWER
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3 years ago
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