# B&q How To

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## If B = (m,n,p,q) how many subsets are there? ​

Ask: If B = (m,n,p,q) how many subsets are there? ​

n(B)=4

Step-by-step explanation:

## how many elements are in the set {a,{q,b},{a}}?​

Ask: how many elements are in the set {a,{q,b},{a}}?​

Sorry I don’t understand

Step-by-step explanation:

Sorry

i think 3

Step-by-step explanation:

because you cant repeat the element you can use element once

## 10. How will you read the symbolic form ~q →

Ask: 10. How will you read the symbolic form ~q → ~p?
A. If not p, then q C. If q, then p
B. If not q, then not p D. If q, then not p

10.c

Step-by-step explanation:

sana makatulong

CARRY ON LEARNING#

## For numbers 3 to 4. Mario is twice as old

Ask: For numbers 3 to 4. Mario is twice as old as Gina. Gina is q years old and Cedrick is 2 years older than Mario

How old is Mario algebraically?

A. 2q
B. 2 + q
C. 2 – q
D. 2 ÷ q​

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Mario is twice as old as Gina. Gina is q years old and Cedrick is 2 years older than Mario

Express Cedrick’s age algebraically.

A. 2 + 2 + q

B. 2q +2

C. 2q – 2

D. 22 + q

1

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B. 2q + 2

Step-by-step explanation:

Mario is twice as old as Gina = 2q = 2 x q

Cedrick is 2 years old older then Mario = 2

Since the math problem says that Mario is twice as old as Gina. We need to multiply it by 2 because, twice is equal to 2x. So Mario’s age is 2q . And for Cedrick. In the math problem, says that Cedrick is 2 years older than Mario. So plug 2 into 2q. And results in 2q + 2. That’s why

## 1. If Q = {a, b, c, d], how many

Ask: 1. If Q = {a, b, c, d], how many subsets does Q have?
A. 16
B. 8
C. 4
D. 6​

==============================

The expression simplifies as follows :

{small{{boxed{rm{{frac{x + y}{x – y} : + frac{x -y }{x + y} – frac{2( {x}^{2 } – {y}^{3} )}{ {x}^{2} – {y}^{2} } }}}}}}

x−y

x+y

+

x+y

x−y

x

2

−y

2

2(x

2

−y

3

)

{small{{boxed{rm{{ = frac { (x : +y)(x : + y) + (x – y)(x – y) – 2( {x}^{2} – {y}^{2}) } {(x – y)(x + y)} }}}}}}

=

(x−y)(x+y)

(x+y)(x+y)+(x−y)(x−y)−2(x

2

−y

2

)

{small{{boxed{rm{{ = frac{(x + {y)}^{2} + (x – y) – 2( {x}^{2 } – {y}^{3}) }{ {x}^{2} – {y}^{2} } }}}}}}

=

x

2

−y

2

(x+y)

2

+(x−y)−2(x

2

−y

3

)

{small{{boxed{rm{{ frac{( {x}^{2} + 2xy + {y}^{2} ) + ( {x}^{2 } – 2xy + {y}^{2}) – 2( {x}^{2} – {y}^{2}) }{ {x}^{2} – {y}^{2} } }}}}}}

x

2

−y

2

(x

2

+2xy+y

2

)+(x

2

−2xy+y

2

)−2(x

2

−y

2

)

{small{{boxed{rm{{ = frac{2( {x}^{2} + {y} ^{2} – ( {x}^{2} – {y}^{2}) }{ {x}^{2} – {y}^{2} } }}}}}} = {small{underline{boxed{rm{pink{ frac{4 {y}^{2} }{ {x}^{2} – {y}^{2} } }}}}}}

=

x

2

−y

2

2(x

2

+y

2

−(x

2

−y

2

)

=

x

2

−y

2

4y

2

In order to simplify the addition of the algebraic fraction the first step is to figure out the LCM of the denominator and that is (x-y)(x+y) now divide the LCM by the denominator of very fraction and multiply the result by the numerator which yields

==============================

Step-by-step explanation:

#CarryOnLearning

## How does the heat content of the reaction change in

Ask: How does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed?
A.
the value of q is negative
B.
the value of q is positive
C.
the value of q remains constant
D.
the value of q decreases
E.
the value of q equals zero

_____________________________________

B. the value of q is positive

• since the kinetic energy of the final state is greater than the kinetic energy of the initial state.

_____________________________________

Explanation:

HOPE IT HELPS~❤

correct me if I’m wrong…

## Jelly is q years old. How old she will be

Ask: Jelly is q years old. How old she will be in 12 years?
A.q – 12 B.12 – q C.q + 12 D.12q

c. because use youre brain

## two grams of sucrose is dissolving in water to produce

Ask: two grams of sucrose is dissolving in water to produce a 2.0% by mass sucrose solution. how much water is needed to prepare such solution? a. 2.0 q b. 98 q c. 100 q d. 102 q​

a.2.0 g

Explanation:

You need to prepare a 20% solution of sucrose from 750 g of sucrose and water. What is the mass of water is necessary to add?

You have mass of sucrose and you ask about mass of water:

Therefore you wish to produce a 20% m/m solution.

750g sucrose = 20% of the final mass

Equation:

Final mass = 100/20 * 750 = 3,750g total mass

Mass of sucrose = 750g

Mass of water = 3,000g

Total mass = 3,750g

You require 3,000g water.

## James is q years old. How old she will be

Ask: James is q years old. How old she will be in 12 years? *
A. 12q
B. 12-q
C. 12+q
D. 12/q

a po 12q po yung answer po hehe

C. 12+q

Explanation:
How to Solve Problems on Ages?
-Age after n years = X + n.

-Age n years ago = X – n.

-n times the present age = nX.

-If ages in the numerical are mentioned in the ratio A:B, then A:B will be AX and BX.

## Encirle the letter of the correct answer How is "P

How is “P varies directly as Q be translated
A. P=kQ
B. P=k/Q
C.P=Qk
D. P=Q/k​