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kiruha [24]
3 years ago
7

X+12=-15 blah blh blah blah blah

Mathematics
2 answers:
Goshia [24]3 years ago
3 0
X=-17 I miss read long night not enough coffee lol

weqwewe [10]3 years ago
3 0
-15-12= -17
x=-17 

You have to basically subtract the 12 and bring it to the other side of the equation
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Q5. The ratio of boys to girls in a group is 7:1. If there are 48 more boys
Airida [17]

Answer:

There are 8 girls

Step-by-step explanation:

We see that right now there are 6 more boys than girls and if there were 2 girls there would be 14 boys meaning there would be 12 more boys than girls if you continue in this pattern you would get-

7:1= 6 more boys                   35:5=30 more boys                                                

14:2= 12 more boys                42:6= 36 more boys

21:3=18 more boys                 49:7= 42 more boys

28:4= 24 more boys               56:8= 48 more

This shows us that if there are 8 girls in  group there are 56 boys meaning there are 48 more boys than girls if the group had 8 girls

6 0
3 years ago
Create at least 3 subtraction problems that have a common denominator of 20 using the fractions one sixth two fifths four sevent
Umnica [9.8K]

Answer:

1. 1/2-2/5

2. 3/4-2/5

3. 1/2-3/4

Step-by-step explanation:

For you to be able to create such fractions you must make sure that the numerator is divisible by 20.

Clearly the number 2,4 and 5 can divide 20.so therefore any fraction formed with them will give the denominator 20

5 0
4 years ago
Twice a number diminished by seven
makvit [3.9K]

Answer:

2x-7

Step-by-step explanation:

let the no be X

twice the no =2X

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5 0
3 years ago
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Solve this problem and give the total cost
Jlenok [28]
F(h)= 20 +25h

next plug in the hours but first you need to take the minutes and transfer them to hours 

120 minutes = 2 hours

so you plug in 20 + 25(2)

that equals 70

therefor your answers are

f(h)= 20 +25h
and
$70
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3 years ago
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