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Scrat [10]
3 years ago
8

Sadie spends a winter day recording the temperature once every three hours for science class. At 9 am, the temperature was -6.2°

F. Between 9am and noon, the temperature increased by 2.6°F. Between noon and 3pm, the temperature dropped 18.6°F. Between 3pm and 6pm, the temperature dropped 6.5°F. What was the temperature at 6pm
Mathematics
1 answer:
JulijaS [17]3 years ago
8 0

Answer:

-28.7

Step-by-step explanation:

-6.2 + 2.6 = -3.6 - 18.6 = -22.2 - 6.5 = -28.7

Hopefully I did this right, reply if you have any corrections or questions!

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Having a bad day helppppppp pleaseeeeee
lozanna [386]

Answer:

X=5

Step-by-step explanation:

1. Determine the defined range

2. Cross Multiply

3. Convert the Expression

4. Reduce the Numbers

5. Reduce the Fraction

6. Swap both Side

7. Check the Solution

Hope this helps

4 0
3 years ago
Standard form with given slope<br> Slope= 2/5, (6,7)
algol13

Answer:

Step-by-step explanation:

1 Simplify brackets.

-3,9=-3,9,-3,-5−3,9=−3,9,−3,−5

2 Since -3,9=-3,9,-3,-5−3,9=−3,9,−3,−5 is false, there is no solution.

No Solution

Done

5 0
3 years ago
Which number has the following factors: *<br><br> 6<br> 15<br> 4<br> 12
inn [45]

Answer:

12

Step-by-step explanation:

3 0
3 years ago
Find the coordinates for the midpoint of the segment with endpoints give (3,5) and (-2,0)
Leto [7]

Answer:

The coordinates of the mid-point are :

(\frac{1}{2}, \frac{5}{2})

Step-by-step explanation:

We know that, the coordinates of the mid-point (<em>x</em>, <em>y</em>) of a line segment joining the points (<em>x</em>₁, <em>y</em>₁) and (<em>x</em>₂, <em>y</em>₂) is given by

(x, y) = (\frac{x_{1} +x_{2} }{2},\frac{y_{1}+y_{2} }{2} )

Now, we have the given points as (3, 5) and (-2, 0).

By using the above formula, coordinates of the mid-point (<em>x</em>, <em>y</em>) of the line-segment joining the points (3, 5) and (-2, 0) is given by,

x = \frac{3+(-2)}{2} = \frac{3-2}{2} = \frac{1}{2}

y = \frac{5+0}{2} = \frac{5}{2}

∴ coordinates of the mid-point of the line-segment joining the points (3,5) and (-2,0) is (\frac{1}{2}, \frac{5}{2}).

8 0
3 years ago
I am having a hard time with simultaneous equations specifically the elimination method, i want to know when do we subtract and
ElenaW [278]

Answer:

The solution to these two equations is (3, 1)

Step-by-step explanation:

So for the elimination method, we are basically multiply each equation by a factor that would allow us to cancel them out..

We could rewrite the equations as the following to make the elimination method easier:

-2y + 3x = 7

y + 4x = 13

We could multiply the second equation by positive 2 in order to cancel out the y from the first equation when we add.

-2y + 3x = 7

2y + 8x = 26        --->  Now we have 11x = 33, when we simplify, we have x = 3.

Now to find our y value in order to find the solution, we would just plug in our x value and solve for y. **We can use either equation to find the answer for this...

-2y + 3x =7.

-2y + 3(3) = 7

-2y + 9 = 7

-2y = -2

y = 1.

We can double check our answer by plugging in both x and y values into the second equation.

4(3) + 1 = 13.

12 + 1 = 13, so we are correct.

The solution to these two equations is (3, 1)

6 0
3 years ago
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