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kobusy [5.1K]
2 years ago
10

3. A pharmacist needs a blend of chemical containing 35% of manganese but she has one vial

Mathematics
1 answer:
Gennadij [26K]2 years ago
7 0
Mi hermano me dice que no tengo nada que ver con el que no me deja
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Help. I forgot how to do this please
oksian1 [2.3K]

Answer:

  176 in³

Step-by-step explanation:

Area is a 2-dimensional measure, so the scale factor for area of similar figures is the 2nd power of the linear scale factor. That is, the ratio of linear dimensions of the two figures is ...

  smaller/larger = √(228/1425) = √(4/25) = 2/5 . . . . linear scale factor

Volume is a 3-dimensional measure, so the scale factor for volume of similar figures is the 3rd power of the linear scale factor. That is, the ratio of volumes of the two figures is ...

  smaller/larger = (2/5)^3 = 8/125 . . . . . . . . volume scale factor

Multiplying this by the larger volume gives us the smaller volume:

  (8/125)·(2750 in³) = 176 in³

5 0
3 years ago
13 11/18 −7 17/18= ?
nata0808 [166]

Answer:

3 12/18 or 3 2/3

Step-by-step explanation:

you subtract them but since 11 is smaller than 17 you add 18 to it which then you subtract that by 17

8 0
3 years ago
Which expression represents a negative number?
Vlad1618 [11]
Answer:
C. -4/5 x 8/9

the product of a negative number multiplied by a positive number is always negative
5 0
3 years ago
Read 2 more answers
The 10 students who completed a special flying course are waiting to see if they will be awarded the one Distinction or the one
yaroslaw [1]

Answer: 1)100ways and 2)90ways


Step-by-step explanation:

Given :-The 10 students who completed a special flying course are waiting to see if they will be awarded the one Distinction or the one Merit award for their efforts.

Ways can the two awards be given if the same student can receive both awards (i.e repetition is allowed)

=10×10=100ways

Ways can the two awards be given if the same student cannot receive both awards(i.e. repetition is not allowed)

=10×9=90ways

3 0
3 years ago
PLS HELP ME FAST WILL GIVE POINTS
SpyIntel [72]

Answer:

The scale factor of the dilation that transforms the triangle is 1/3

Step-by-step explanation:

9x1/3 is 3. 6x1/3 is 2, etc.

5 0
2 years ago
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