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zimovet [89]
3 years ago
9

Which expressions are equivalent to 35+30s−45t I need three

Mathematics
2 answers:
Volgvan3 years ago
8 0

Answer:

5(7+6s-9t), (70+60s-90)/2, and (105+90s)/3-45

ratelena [41]3 years ago
7 0

Answer:

Step-by-step explanation:

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The mass of the particles that a river can transport is proportional to the sixth power of the speed of the river. A certain riv
Gelneren [198K]

Answer:

v_2 \approx 1.12246\ m.s^{-1}

v_{10}\approx 1.4678\ m.s^{-1}

v_{100}\approx 1.4678\ m.s^{-1}

Step-by-step explanation:

Mass of particles that a river can transport, m\propto\ v^6

where:

v = velocity of river flow

When v=1\ m.s

then the mass transported, m \propto 1^6

<u>When mass is twice:</u>

v=\sqrt[6]{2}

v_2 \approx 1.12246\ m.s^{-1}

<u>When mass is 10 times:</u>

v=\sqrt[6]{10}

v_{10}\approx 1.4678\ m.s^{-1}

<u>When mass is 100 times:</u>

v=\sqrt[6]{100}

v_{100}\approx 1.4678\ m.s^{-1}

7 0
3 years ago
Someone help please and thank you!!
svlad2 [7]
Https://www.symbolab.com/solver/function-asymptotes-calculator this is a good asymptote calculator
4 0
3 years ago
Figure A is a scale image of Figure B, as shown.
Inessa [10]

9514 1404 393

Answer:

  x = 2

Step-by-step explanation:

Using the scale factor, we have ...

  x/8 = 0.25/1

  x = 8(0.25) . . . . multiply by 8

  x = 2

_____

<em>Additional comment</em>

I like to write proportions with the variable in the numerator. That way they are easily solved by a single multiplication. The trick is to get corresponding parts in the same positions. Here, the fractions are written ...

  B/A = smaller part / larger part = x/8 = 0.25/1

5 0
3 years ago
Kayla squared a number x and added this result to -6.5. This gave her an answer of 42.5.
ladessa [460]

Answer:

7, -7

Step-by-step explanation:

x^2-6.5= 42.5 add 6.5 to both sides

x^2= 49

The square root of 49 is 7 and -7.

7 0
3 years ago
Simplify: y^8 (y^4) please help!
Ksenya-84 [330]

Answer:

y^1^2

Step-by-step explanation:

apply the rule (a) = a (y^4)=y^4

y^8y^4

apply the exponent rule

y^8y^4 = y^8^+^4

=y^8^+^4

add the numbers

8+4=12

which would make the answer

y^1^2

5 0
3 years ago
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