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mr Goodwill [35]
4 years ago
8

Two statements are given-one labeled Assertion (A) and the other labeled Reason(R). Select the correct answer to these questions

from the codes (i), (ii), (iii) and (iv) as given below i) Both A and R are true and R is the correct explanation of the assertion ii) Both A and R are true and R is not the correct explanation of the assertion iii) A is true but R is false iv) A is false but R is true Assertion: Calcium oxide reacts vigorously with water to produce calcium hydroxide, releasing a large amount of heat. Reason: The above reaction is a combination reaction as it gives only a single product.
Mathematics
1 answer:
pentagon [3]4 years ago
6 0

Answer:  i) Both A and R are true and R is the correct explanation of the assertion

Step-by-step explanation:

When Calcium Oxide (Quick lime) reacts with water, it is a very rigorous reaction that produces a lot of heat and may even boil the water or burn the skin if it comes into contact with it. The resulting compound is Calcium Hydroxide. The Assertion is therefore true.

A Combination reaction does indeed result in only a single product being created or formed after a reaction. The above reaction is indeed a Combination reaction due to the production of only one Compound being Calcium Hydroxide.

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Answer:

x=51.9

Step-by-step explanation:

sin x = 7.4/9.4

sin x= 0.787

sin^-1(0.787)=x

x=51.9

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Which is the following is a source of income
almond37 [142]

Answer:

Investment is a source of Income.

<h3>OR</h3>

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One root of f(x)=x^3+10x^2-25-250 is x = –10. What are all the roots of the function? Use the Remainder Theorem. x = –25 or x =
Alex_Xolod [135]

Answer:

All zeros are

x=-10 , x=-5 , x=5

Step-by-step explanation:

we are given function as

f(x)=x^3+10x^2-25x-250

we are given one of zero is x=-10

we have to use Remainder theorem

we can find all possible factor of 250

250=-5\times 5\times -10

so, we will check zeros at x=-5 and x=5

At x=-5:

we can plug x=-5

f(-5)=(-5)^3+10(-5)^2-25(-5)-250

f(-5)=-125+250-\left(-125\right)-250

f(-5)=0

At x=5:

we can plug x=5

f(5)=(5)^3+10(5)^2-25(5)-250

f(5)=125+250-\left(125\right)-250

f(5)=0

So, other zeros are

x=-5 and x=5

All zeros are

x=-10 , x=-5 , x=5

6 0
3 years ago
Read 2 more answers
Which point is not on the graph of the equation y = x2 + 3x - 5. A.(2,5)
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Step-by-step explanation:

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In circle N with the measure of arc \stackrel{\Large \frown}{MP}= 114^{\circ} MP ⌢ =114 ∘ , find \text{m} \angle MNPm∠MNP
Roman55 [17]

According to the central angle theorem, the measure of angle MNP = 114°.

<h3>What is the Central Angle Theorem?</h3>

According to the central angle theorem of a circle, the measure of central angle MNP equals the measure of intercepted arc MP.

Measure of arc MP = 114°

Measure of angle MNP = arc MP

Measure of angle MNP = 114° [central angle theorem]

Learn more about the central angle theorem on:

brainly.com/question/5436956

#SPJ1

6 0
2 years ago
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