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Dmitriy789 [7]
3 years ago
6

Solve for the unknown 3/15=9/x

Mathematics
1 answer:
Leni [432]3 years ago
3 0
X = 3*15 = 45

Hope it helped.
You might be interested in
10. Mr. Guerrero left his house and drove north at an average speed of 40 mph.Two hours later, his daughter Miranda left the hou
Charra [1.4K]
Speed=distance / time  ⇒ distance=time x speed
distance=d
time=t
speed= s

d=s*t

Distance  traveled by Mr Guerrero, when his daugther left the house
Data:
s=40 miles/ hour
t=2 hours
d=40 miles/ hour * 2 hours=  80 miles

Total distance traveled by Mr Guerrero:
d=80 miles + 40 miles/hourt    ⇒d=80+40t      (1)

d=total distance.
s=speed.
t=time spent by Miranda for she overtook her father.

Distance traveled by Miranda.
data:

s=48 miles/ hour
d=total distance.
t=time spent by Miranda for she overtook her father.

d=48 miles/hour * t      ⇒d=48t       (2)

With the equations (1) and (2), we make an system of equations:

d=80+40t
d=48t

We can solve this system of equation by equalization method.

80+40t=48t
80=48t-40t
80=8t
t=80/8=10

d=48t
d=48*10=480

Answer: the thistance will be 480 miles.
3 0
3 years ago
Can you tell which of the following triangles are right and explain
luda_lava [24]
12 because triangles will always have an odd number, and 12 is even
I think
6 0
3 years ago
Makes de following combinet operations
Gnoma [55]
Hinges maybe idk lml?
5 0
3 years ago
Are these numbers linear or nonlinear?
AfilCa [17]

Answer:

1 is linear 4 is also linear,

Step-by-step explanation:

im not entierly sure

7 0
3 years ago
Convert these mixed numbers into improper fractions.<br> 2 2/3<br> 1 4/7
AveGali [126]

(a) 2 2/3 =

3×2+2=8

=8/3

(b) 1 4/7=

7×1+4=11

=11/7

3 0
3 years ago
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