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3 years ago

[4×(6 - 3) + [(8 - 2)÷2]

Mathematics

1 answer:

lions [1.4K]3 years ago

4 0

Answer:

B. 15

Step-by-step explanation:

6-3=3, multiply 4 by 3 then add 6 (Answer to 8-2) then divide by 2

4×3+6÷2

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I NEED TO HAND IN NOW!!!

umka21 [38]

Step-by-step explanation:

total no. of pupils is not more than 24

therefore first equation is

(x+y) ≤ 24. ....(1)

No. of girls exceeding the no. of boys by atleast 4

(y-x) ≥ 4. .....(2)

b) Now Liza chooses 8 boys

Maximum no. of girls = ?

Using first inequality

y+8= 24 ( maximum value of less than or equal to function is equal to itself)

Therefore,

y= 24-8

=16

Minimum no. of girls = ?

Using second inequality

y-8 =4 (minimum value of greater than or equal to function is equal to itself)

Therefore,

y= 4+8

y=12

Answer:

a) 2linear inequalities

(x+y) ≤ 24

(y-x) ≥ 4

b) Max no. of girls = 16

Min no. of girls = 12

Hope it helps...

5 0

3 years ago

How many different 4-digit numbers can be formed using the digits 2, 4, 5, 6, and 7 such that no digits repeat and the number is

quester [9]

If the last 2 digits of a number is divisble by 4, then the number is divisble by 4
see what combos are with ending with 2 digits divisible by 4
24
64
52
72

see their combos for the first 2 numbers
24 three other numbers to pick from so 3*2*1=6
64 three other numbers to pick from so 3*2*1=6
52 three other numbers to pick from so 3*2*1=6
72 three other numbers to pick from so 3*2*1=6

6*4=24

answer is 24 ways

7 0

3 years ago

Do ΔCBG and ΔFEG in the figure appear to be similar? Why or why not?

Mama L [17]

Answer: Option C. They're not similar because only one pair of corresponding angles in the two triangles is congruent.

Solution:

The only one pair of corresponding angles in the two triangles is congruent is the angle BGC in ΔCBG and the angle FGE in ΔFEG, because they are vertical angles (opposite by the vertex)

6 0

4 years ago

Read 2 more answers

Can someone please explain to me how to find the value of m? thanks<br>-10 = -10 + 7m

GarryVolchara [31]

      -10 = -10 + 7m

Add 10 to each side: 0 = 7m

Divide each side by 7 : 0 = m

Please take a second and just LOOK at the equation you started with.
It says:

-- You have this number '-10' .

-- Your number -10 is going to be exactly the same size
   after you add 7 of something to it.

The ONLY way that could happen is if the 'something' is 'nothing' .

   ' m ' must be nothing.

8 0

4 years ago

Read 2 more answers

A baseball player comes up to bat 3 times during a league game. He either gets a hit or gets an out. How many different combinat

Stella [2.4K]

Answer:

8 different combinations are possible.

Step-by-step explanation:

Here, we have 2 different combinations for each time.

And the player comes out to bat 3 times.

So, total number of combinations are:

$2^{3}$ i.e. a total of 8 number of times.

Let a hit is termed as 'H' and an out is termed as 'O'.

Total combinations are:

{HHH, HHO, HOH, HOO, OHH, OHO, OOH, OOO}

Kindly have a look at the tree diagram attached in the answer area.

In starting, there are 2 combinations possible, i.e. 'O' and 'H'.

After 'O' , 2 possible i.e. 'O' and 'H'.

After 'H' , 2 possible i.e. 'O' and 'H'.

and so on....

8 0

3 years ago