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3 years ago

14

The temperature in Lakeside was 21°C. The temperature in Salem was 9°C. How much warmer was the temperature in Lakeside than the

temperature in Salem?

2 answers:

Lena [83]3 years ago

6 0

Your Answer Is 12 Degrees Celsius.

21 - 9 = 12

horrorfan [7]3 years ago

3 0

12 degrees celsius i can’t find the symbol but that’s the answer.

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The sum of two numbers is 40. One number is 4 times as large as the other. What are the numbers?

Sergeu [11.5K]

Answer:

4x+x=40

5x+40

x=8

8, 32

Step-by-step explanation:

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2 years ago

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Can the common ratio of geometric sequence be equal to 0?

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Answer:

No it cant

Step-by-step explanation:

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2 years ago

Dahasolnce [82]

Answer:

a) $x_{1} = \frac{\pi}{3}\pm 2\pi \cdot i$ , $\forall i \in \mathbb{N}_{O}$ , $x_{2} = \frac{5\pi}{6}\pm 2\pi\cdot i$ , $\forall i \in \mathbb{N}_{O}$ , b) $x_{1} = \frac{\pi}{3}\pm 2\pi \cdot i$ , $\forall i \in \mathbb{N}_{O}$ , $x_{2} = \frac{5\pi}{3}\pm 2\pi\cdot i$ , $\forall i \in \mathbb{N}_{O}$

Step-by-step explanation:

a) The equation must be rearranged into a form with one fundamental trigonometric function first:

$\sqrt{3}\cdot \csc x - 2 = 0$

$\sqrt{3} \cdot \left(\frac{1}{\sin x} \right) - 2 = 0$

$\sqrt{3} - 2\cdot \sin x = 0$

$\sin x = \frac{\sqrt{3}}{2}$

$x = \sin^{-1} \frac{\sqrt{3}}{2}$

Value of x is contained in the following sets of solutions:

$x_{1} = \frac{\pi}{3}\pm 2\pi \cdot i$ , $\forall i \in \mathbb{N}_{O}$

$x_{2} = \frac{5\pi}{6}\pm 2\pi\cdot i$ , $\forall i \in \mathbb{N}_{O}$

b) The equation must be simplified first:

$\cos x + 1 = - \cos x$

$2\cdot \cos x = -1$

$\cos x = -\frac{1}{2}$

$x = \cos^{-1} \left(-\frac{1}{2} \right)$

Value of x is contained in the following sets of solutions:

$x_{1} = \frac{\pi}{3}\pm 2\pi \cdot i$ , $\forall i \in \mathbb{N}_{O}$

$x_{2} = \frac{5\pi}{3}\pm 2\pi\cdot i$ , $\forall i \in \mathbb{N}_{O}$

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3 years ago

I need a bit of help on this one: mr. james borrows money from the bank to buy a new car. he borrows 10,000 at 3% for 5 years. H

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Answer:

Between $11,000-$11,500

Between $10,500-$11,000

Between $9,500-$10,000

Between $9,000-$9,500

Between $10,000-$10,500

Correct answer:

Between $10,000-$10,500

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3 years ago

What is the sum of -1/11 and 5/11<br><br> 4/11<br><br> 6/11<br><br> -4/11<br><br> -6/11

kaheart [24]

<span>-1/11 + 5/11
= 5/11 - 1/11
= 4/11

Answer
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2 years ago

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