Answer:
Inner circumference = 14*pi mm
Step-by-step explanation:
<h2>
Explanation:</h2>
Step 1. Write the given expression
Step 2. Apply distributive property:
Step 3. Combine like terms:
<h2>Learn more:</h2>
Distributive property: brainly.com/question/10794694
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Part A:
The area of the rectangle will be the length times the width, so 4•(x+3). Using distributive property, you'll multiply every term inside the parentheses by 4.
The area of the rectangle can be expressed by 4x+12.
Part B:
Multiply 4•2 and (x+3)•2, then multiply them together.
8(2x+6) Now use distributive property to find your answer simplified.
16x+48 is your answer
Answer:
10=40
50=30
Step-by-step explanation:
Suppose the number of 10 paise coins =x
∴ the number of 50 paise coins =70−x
Now, value of 10 paise coins = Rs.
10
x and value of 50 paise coins = Rs.
2
70−x
Total value of coins =
10
x
+ 2
70−x
∴ 10
x + 2
70−x =19
Multiplying both sides by 10, (LCM of 10,2=10), we get
x+5(70−x)=19×10
x+350−5x=190
−4x=−160
−4
−4x = −4
−160
∴x=40
∴ number of 10 paise coins =40
Number of 50 paise coins =70−40=30.
Steve goes to a store to buy school supplies he buys 15 pencils the cost per pencil is .20 cents. How much did Steve spend to buy pencils
