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Inessa05 [86]
3 years ago
14

Determine whitch expressons are equivelent to 1/4-2/3-(1/2+5/6)

Mathematics
1 answer:
Alex777 [14]3 years ago
8 0
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The Fahrenheit and Celsius scales are related by the equation F=9/5C+32. What temperature is equal to a body temperature of 98.6
____ [38]

\textbf{Substitute\ in\ the\ equation}

\displaystyle 98.6 = \frac{9C}{5} +32

\textbf{Solve\ for\ }C

\displaystyle 66.6 = \frac{9C}{5}

333=9C

\large C=\textbf{37 \textdegree C}

7 0
2 years ago
NO LINKS!!!!
DedPeter [7]

9514 1404 393

Answer:

  3. vertical stretch by a factor of 2; shift right 1 and down 1

  4. shift left 4 and up 4 (no stretch or shrink)

Step-by-step explanation:

The vertex form equation is ...

  y = a(x -h)^2 +k

It represents a vertical stretch of the parent function by a factor of 'a', a right shift of 'h', and an upward shift of 'k'.

Compare the the given equations to the above form to see the transformations.

__

3. (a, h, k) = (2, 1, -1)   ⇒   vertical stretch by a factor of 2; shift right 1, down 1

4. (a, h, k) = (1, -4, 4)   ⇒   no vertical stretch; shift left 4, up 4

6 0
2 years ago
A road crew took 3 days to pave a road. On the first day they paved 2/5 of the road, and on the second day they 1/3 of the road.
bazaltina [42]

Answer:5625 yards

Step-by-step explanation:

2/5=6/15

1/3=5/15

6/15+5/15=11/15

(15/15)-(11/15)=4/15

1500/4=375

375×15=5625

3 0
3 years ago
X+4y=-4, x+10y=-16, solve using systems of equations, elimination
lora16 [44]

Answer:

x = 4

y = -2

Step-by-step explanation:

x + 10y = -16

-x -4y = 4 <-- ( multiplied x+4y=-4 with -1 so the x's cancel)

6y = -12

y = -2

put -2 back in the equation to get x

x + 10y = -16

x -20 = -16

x = 4

6 0
2 years ago
Evaluate 4p+q/p when p= -2 and q= -3 <br><br>a) -11/2<br> b) 9/2 <br>c) -9/2<br> d) 11/2​
Korolek [52]

Answer:

-11/2

Step-by-step explanation:

4 0
3 years ago
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