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NeTakaya
3 years ago
13

78 times 56 plz help me

Mathematics
2 answers:
rewona [7]3 years ago
7 0
Your answer is 4,368
V125BC [204]3 years ago
4 0
An easier way to do this mentally is:
Start with one of the numbers. I will use 78, in this example, but either is fine.
Now, multiply each digit of 78 each digit of 56. When doing this, be sure to take the place of the digit into account. For example, rather than doing 7 * 6, you need do to 70 * 6.
1. 8 * 6 = 48: Take the number in the one's place of 78, and multiply it by the 6 of 56. 
2. 8 * 50 = 400: Now, take the number in the one's place of 78, and multiply it by the next digit in 56, which would be 5. However, the 5 in 56 actually represents 50, so you need to take that into account.
3. 70 * 6 = 420: Now that you have multiplied the digit in the one's place by each digit of the other number, move onto the next digit. Once again, to forget to take into account what that digit actually represents -- it represents seven tens, or seventy! Repeat this until there are no more digits to multiply.
4. 70 * 50 = 3500
5. 3500 + 420 + 400 + 48 = 4368. : Now, add all those results together to get your answer!
78 * 56 = 4368
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B) Write down the formula to find the perimeter of a circle.​
rewona [7]

Answer:

C = 2πr

Step-by-step explanation:

We know that, the perimeter of a figure is equal to the sum of all sides.

A circle having no sides.

The perimeter of a circle = The circumference of the circle

The formula for the circumference of the circle is given by :

C = 2πr

Where

r is the radius of the circle

Hence, this is the required solution.

7 0
3 years ago
I need urgent help!!
RSB [31]

Answer: I don’t actually know sorry

Step-by-step explanation:

6 0
4 years ago
Help me plz asap if you can
Andrej [43]
Your answer for this is 17 hope i helped
8 0
3 years ago
Read 2 more answers
Find the measure of angle K.
BabaBlast [244]
Every triangle have three angles that add up to 180°. With this information, we can find out the missing angle.

The sum of three angles should add up to 180°. 

148° + 11° + K = 180°

Where k is the missing angle.

Solve for K.

Combine like terms.

148° + 11° + K = 180°
159° + K = 180°

Subtract both sides by 159°.

159° + K = 180°
159° - 159° + K = 180° - 159°
K = 21°

So, the missing length is 21°.
7 0
3 years ago
PLEASE ANSWER THIS ASAP ASAP
Alex

12 = 15 (z - 1/5)

12 = 15z - 3

+3          +3

15 = 15z

15 (÷ 15) = 15z (÷ 15)

1 = z

Hope I helped!!! :)

8 0
3 years ago
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