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DIA [1.3K]
2 years ago
10

One spring, the temperature rose from -5 degrees Celsius to 12 degrees Celsius in 24 hours. How much did the temperature rise in

24 hours?
Mathematics
1 answer:
Furkat [3]2 years ago
8 0

Answer:

17 Degrees Celsius

Step-by-step explanation:

If you like to <em>visualize </em>then recommend using a number line.

Or you can calculate it:

(Difference Temp) = (End Temp) - (Start Temp)

(Difference Temp) = (12) - (-5)

(Difference Temp) = 17

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Find the length of line segment UV.
pshichka [43]

Answer:

The length of the line segment UV is 76 units

Step-by-step explanation:

In a triangle, the line segment joining the mid-points of two sides is parallel to the third side and equal to half its length

In Δ ONT

∵ U is the mid-point of ON

∵ V is the mid-point of TN

→ That means UV is joining the mid-points of two sides

∴ UV // OT

∴ UV = \frac{1}{2} OT

∵ UV = 7x - 8

∵ OT = 12x + 8

∴ 7x - 8 = \frac{1}{2} (12x + 8)

→ Multiply the bracket by \frac{1}{2}

∵ \frac{1}{2} (12x + 8) =  \frac{1}{2} (12x) +  \frac{1}{2} (8) = 6x + 4

∴ 7x - 8 = 6x + 4

→ Add 8 to both sides

∴ 7x - 8 + 8 = 6x + 4 + 8

∴ 7x = 6x + 12

→ Subtract 6x from both sides

∴ 7x - 6x = 6x - 6x + 12

∴ x = 12

→ Substitute the value of x in the expression of UV to find it

∵ UV = 7(12) - 8 = 84 - 8

∴ UV = 76

∴ The length of the line segment UV is 76 units

8 0
2 years ago
3(x - 5) – 3 = 5(x - 2) + 2x
Arlecino [84]

Answer:

x=−2

Step-by-step explanation:       Step 1: Simplify both sides of the equation.

3(x−5)−3=5(x−2)+2x

(3)(x)+(3)(−5)+−3=(5)(x)+(5)(−2)+2x(Distribute)

3x+−15+−3=5x+−10+2x

(3x)+(−15+−3)=(5x+2x)+(−10)(Combine Like Terms)

3x+−18=7x+−10

3x−18=7x−10

Step 2: Subtract 7x from both sides.

3x−18−7x=7x−10−7x

−4x−18=−10

Step 3: Add 18 to both sides.

−4x−18+18=−10+18

−4x=8

Step 4: Divide both sides by -4.

−4x

−4

=

8

−4

x=−2

6 0
3 years ago
Write and expression equal to 7x8
Lubov Fominskaja [6]

(4+3)x(4+4) this should be the answer

3 0
3 years ago
Read 2 more answers
Please help me do que his
Anon25 [30]
What do you mean fhejekjevdje
5 0
3 years ago
Vertex B is located at ( ____, ____ ).<br> This is all it said no image
OLEGan [10]

Answer:

i believe its B= (1,5)

Step-by-step explanation:

7 0
3 years ago
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