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cupoosta [38]
3 years ago
14

olivia is three times Daisys age now. in 5 years time, olivia will be twice daisys age then. how old is daisy now

Mathematics
2 answers:
neonofarm [45]3 years ago
5 0

Answer:

10

Step-by-step explanation:

If Daisy is originally 5 years old, then Olivia would be three times her age which is 15 years old.

After 5 years pass, Daisy will be 10 years old and Olivia will be 20 years old, making Olivia twice as old as Daisy now.

Katen [24]3 years ago
3 0

Answer:

Daisy is 5 years old NOW

Step-by-step explanation:

D=Daisy's age, O=Olivia's age

O=3D

O+5=2(D+5)

O+5=2D+10

O=2D+5

2D+5=3D

D=5

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klemol [59]

Answer:

6.5 bottles

Step-by-step explanation:

convert liters to ml 1 bottle= 1000ml

divide how much she drank by 1000ml

6500÷1000=6.5

4 0
3 years ago
Stephanie planted a home garden. She planted 2 rows of tomatoes with 4 tomato plants in each row. She also planted squash in row
natulia [17]

Answer:

B

Step-by-step explanation:

it is known that 8 tomato plants were planted in total

( 2 rows with 4 plants each equal to 8 plants in total)

however there is X amount of rows of squash with 7 plants in each row

therefore in an equation it would be  y= 7x+8

3 0
3 years ago
How many line segments are in the 20th figure?
Trava [24]
The first figure has 3 line segments.

the second figure has 3+3 =3*2 =  6 line segments

the third figure has 3+3+3 = 3*3 = 9 line segments

the fourth figure has 3+3+3+3=3*4=12 line segments...


so it is clear that:

the 20th figure has 3*20=60 line segments.


Answer: 60
5 0
3 years ago
Find the point on the line y = 2x + 3 that is closest to the origin.
ch4aika [34]
1)We have to make a line perpendicular to y=2x+3, passing through the point (0,0).

y=2x+3   
m=solpe=2

The slope of the line perpedicular to y=2x+3 is m´
m´=-1/m
m´=-1/2

Point slope form:
y-y₀=m(x-x₀)
(0,0)
m=-1/2

y-0=-1/2(x-0)
y=-x/2

Therefore, the line perpendicular to y=2x+3 is y=-x/2.

2)The point on the line y=2x+3 tha is closest to the origin is the point of intersection of the two lines.

y=2x+3
y=-x/2

We can solve this system of equations by equalization method.
2x+3=-x/2
least common multiple=2
4x+6=-x
4x+x=-6
5x=-6
x=-6/5  (=-1.2)

y=-x/2
y=-(-6/5)/2=6/10=3/5    (=0,6)

Therefore: the point of the line y=2x+3 that is closest to the origin is:
 (-1.2 , 0.6)

3 0
3 years ago
Nigel borrows $250 and pays 5.5% simple interest each year. if he pays back the money in one year, what is the total amount that
ddd [48]

Answer: $263.75

Step-by-step explanation:

5.5= 0.055

250x.055=263.75

7 0
3 years ago
Read 2 more answers
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