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Ierofanga [76]
3 years ago
15

1b. b. At midnight the temperature is -7°C. At midday the temperature is 4°C. By how much did the temperature rise? * 1 point Yo

ur answer​
Mathematics
1 answer:
ElenaW [278]3 years ago
8 0

Answer:

Rise = 11^\circ C

Step-by-step explanation:

Given

Midnight \to -7^\circ C

Midday \to 4^\circ C

Required

The temperature rise

This is the difference between the final and the initial temperature

Rise = Midday - Midnight

Rise = 4^\circ C - -7^\circ C

Rise = 4^\circ C +7^\circ C

Rise = 11^\circ C

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The cost of 4 ice cream cones from the snack bar was $10.40. If each ice cream cone costs the same amount, which model
Gnom [1K]

Answer: each cone costs $2.60 because $10.40 divided by 4 is $2.60

Step-by-step explanation:

6 0
3 years ago
I WILL GIVE BRAIN<br> Find m2WXY<br> Po<br> (2x - 2)<br> w Х<br> 70°<br> Z<br> O<br> mZWXY = |
Alex_Xolod [135]

Answer:

m∠WXY is 142°

Step-by-step explanation:

<em>The measure of the </em><em>exterior angle</em><em> at one vertex of a triangle equals the </em><em>sum of the measures of the opposite interior angles</em><em> to this vertex</em>

In ΔXYZ

∵ ∠WXY is an exterior angle at the vertex X

∵ ∠Y and ∠Z are the opposite interior angles to the vertex X

→ By using the rule above

∴ m∠WXY = m∠Y + m∠Z

∵ m∠WXY = (2x - 2)°

∵ m∠Y = x° and m∠Z = 70°

→ Substitute them in the equation above

∴ 2x - 2 = x + 70

→ Subtract x from both sides

∵ 2x - x - 2 = x - x + 70

∴ x - 2 = 70

→ Add 2 to both sides

∵ x - 2 + 2 = 70 + 2

∴ x = 72

→ To find the m∠WXY, substitute x by 72 in its measure

∵ m∠WXY = 2(72) - 2

∴ m∠WXY = 144 - 2

∴ m∠WXY = 142°

5 0
3 years ago
g(n)=−50−15ng, left parenthesis, n, right parenthesis, equals, minus, 50, minus, 15, n Complete the recursive formula of g(n)g(n
katen-ka-za [31]

Answer:

  g(n) = g(n-1) -15

  g(1) = -65

Step-by-step explanation:

We can find the recursive formula from the explicit formula for this arithmetic sequence by substituting 1 and (n+1) for n in the explicit formula.

__

  g(n+1) = -50 -15(n+1) = (-50 -15n) -15 . . . . . find g(n+1)

  g(n+1) = g(n) -15

and ...

  g(1) = -50 -15(1) = -65

Then the recursive formula can ge written as ...

  g(n) = g(n-1) -15

  g(1) = -65

_____

<em>Additional comment</em>

We found g(n+1) = g(n) -15. Substituting n-1 for n in this formula puts it in the form we need for answering the question:

  g((n-1)+1) = g(n-1) -15

  g(n) = g(n -1) -15

Either of these forms tells you how to get the next term from the previous one.

7 0
2 years ago
Compute the mean, variance, and standard deviation for the following data set. Round all answers to the nearest tenth. {85,95,90
alexandr1967 [171]
Mean: 84.1
You add all the numbers together and divide by the amount of numbers

3 0
3 years ago
The FIFO method of computing equivalent units excludes the beginning inventory costs in computing the cost per equivalent unit f
Svetach [21]

Answer:

Yes

Step-by-step explanation:

The FIFO  method of process costing assumes that the opening work in process is the first group of units to be processed and completed during the current period. <u><em>The opening work in progress is charged separately to completed production and the cost per unit is based only on the current period costs and the production for the current period</em></u>. The closing work in process is assumed to come from the new units started during the period.

3 0
4 years ago
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