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Virty [35]
3 years ago
14

over the past five weeks, the average daily temperature in Wellington has dropped 40 degrees Fahrenheit. Write and evaluate ab e

xpression to show the average temperature change per week
Mathematics
1 answer:
Westkost [7]3 years ago
7 0
In five weeks, there are 35 days. So, the average drop in temperature per day is 40/35 = 8/7 degrees per week. Then in 1 week, 8/7 degrees per day * 7 days per week = 8 degrees per week.Therefore there are 8 degrees drop of temperature in 1 week.
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Write the subtraction sentence that is shown on the number line. Do not reduce the fractions.
dybincka [34]

Answer:

15/8 - 6/8= 9/8

Step-by-step explanation:

8 0
3 years ago
The perimeter of the square at the right is 48 in what is the area of the square at the right explain how you found your answer
irina1246 [14]

ok so 48÷4 is each side since square sides are equal that is 12 ×12 which is a area of 144

5 0
3 years ago
Can y’all help me on Thai one thank you
vichka [17]

Karmin will make $18.4 for working an hour after the increase.

Step-by-step explanation:

Step 1:

First, we need to determine how much Karmin made an hour.

Karmin's hourly rate = \frac{480}{30} = 16.

So Karmen made $16 every hour that she worked. She worked for 30 hours and earned $480.

She will get a 15% increase in her hourly rate this month.

Step 2:

We need to determine how much 15% of $16 is.

15% of $16 = \frac{15}{100} (16) = 0.15 (16)= 2.4.

So her 15% increase amounts to $2.4.

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5 0
2 years ago
Which of the following is equivalent to (Cd) to the fifth power
Rina8888 [55]

Answer:

The 3rd option is correct.

Step-by-step explanation:

This is because of an exponent rule that goes:

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The whole thing gets raised to the power. Therefore only the 3rd one works (ps. if you can mark as brainliest that would be amazing, but if not that's fine)

5 0
2 years ago
If the discriminant of a quadratic equation is equal to -9, which statement describes the roots?
Mice21 [21]

ANSWER

No real roots.

The roots are complex or imaginary.

EXPLANATION

The quadratic equation

a {x}^{2}  + bx + c = 0

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D =  {b}^{2}  - 4ac

If the discriminant is less than zero , then the quadratic equation has no real roots.

The given discriminant is -9.

Since -9 is less than zero, it means the quadratic equation has complex or imaginary roots.

8 0
3 years ago
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