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givi [52]
3 years ago
7

Help plz asap i need help

Mathematics
1 answer:
kvasek [131]3 years ago
8 0
I hope this helps you

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Consider the expression 25 – 10 ÷ 2 + 3.
Tems11 [23]

Given:

The expression is:

25-10\div 2+3

To find:

Part A: The expression using parentheses so that the expression equals 23.

Part B: The expression using parentheses so that the expression equals 3.

Solution:

Part A:

In option A,

(25-10)\div 2+3=15\div 2+3

(25-10)\div 2+3=7.5+3                       [Using BODMAS]

(25-10)\div 2+3=10.5

In option B,

25-10\div (2+3)=25-10\div 5

25-10\div (2+3)=25-2                      [Using BODMAS]

25-10\div (2+3)=23

In option C,

(25-10)\div (2+3)=15\div 5

(25-10)\div (2+3)=3

In option D,

25-(10\div 2)+3=25-5+3

25-(10\div 2)+3=28-5                     [Using BODMAS]

25-(10\div 2)+3=23

After the calculation, we have 25-10\div (2+3)=23 and 25-(10\div 2)+3=23.

Therefore, the correct options are B and D.

Part B: From part A, it is clear that

(25-10)\div (2+3)=3

Therefore, the correct option is C.

8 0
2 years ago
What is the prime factorization of 42?<br> 2 × 3 × 4<br> 2 × 3 × 7<br> 3 × 3 × 4<br> 3 × 3 × 7
aleksklad [387]

2 \times 3 \times 7
4 0
3 years ago
Read 2 more answers
A rectangle has a length of 3x + 7 and a width of 2x. If the perimeter of the
Art [367]

Answer:

The length of the rectangle is 31.

Step-by-step explanation:

We have that the length (L) and width (W) are:

L = 3x + 7

W = 2x

The perimeter of the rectangle is given by:

P = 2W + 2L

94 = 2(2x + 3x + 7)

94 = 10x + 14

x = 8

Now, we can calculate the length of the rectangle:

L = 3x + 7 = 3*8 + 7 = 31        

         

Therefore, the length of the rectangle is 31 units.

I hope it helps you!                

7 0
2 years ago
Solve the system of equations: {2(3x-2y)+1=7x, 12(x+y)-15=7x+12y
fgiga [73]

Step-by-step explanation:

hope this help have a great day!

7 0
2 years ago
26-d=8 I need help on this pls
irina [24]

Answer:

d=18.

Step-by-step explanation:

subtract eight from twenty six and there's your answer

3 0
2 years ago
Read 2 more answers
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