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geniusboy [140]
3 years ago
8

Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the ident

ity below to square your number without using a calculator.
(x-y)^(2 )=x^(2 )-2xy+y^2
CHOOSE ONE value, A, B, or C to use for the following:
A) 47 B) 32 C) 53

Rewrite your 2-digit number as a difference of 2 numbers:
_________________________________

Use the identity above to square your number without using a calculator:
Mathematics
1 answer:
e-lub [12.9K]3 years ago
3 0

Answer:

Step-by-step explanation:

32²=(40-8)²

=40²-2(40)(8)+8²

=1600-640+64

=1664-640

=1024

also 32²=1024

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A rectangle is 40 yards long and 30 yards wide. What is the length of the diagonal that cuts through the center?
choli [55]

Answer:

it should be 50

Step-by-step explanation:

Using the pythagorean theorem c = \sqrt{a^{2} +b^{2} } we get 50

4 0
3 years ago
I will mark brainliest please help ​
kirill115 [55]

Answer:

15 cups

Step-by-step explanation:

The formula to find cups from quarts C = Q * 4, where c is how many cups, and Q how many quarts. To find how many cups are in a quart, simply multiply the number of quarts by 5. In this case, there are 3 3/4 quarts of coffee, multiply that by 5, and you would get 15 cups of coffee!

5 0
3 years ago
HELPPP PLEASE <br>50 POINTSS​
victus00 [196]

Answer:

184

Step-by-step explanation:

edmund as a 2 by 2 cube

so samuel has a cuboid twice as long

2 x 2 = 4

3 times as wide

3 x 2 = 6

and 4 times as high

2 x 4 = 8

8 x 6 x 4 = 192 small cubes

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3 0
3 years ago
100 POINTS plz dont answer unless you know how to solve this.
Alexandra [31]

Answer:

31.9 mi

Step-by-step explanation:

AC/sin(angleABC) = AB/sin(angleACB)

6 0
3 years ago
Jan has a 12 ounce milkshake. Four ounces in the milkshakes are vanilla, and the rest is chocolate. What equivalent fractions th
Thepotemich [5.8K]

Answer:

Vanilla milkshake = 1/3 and Chocolate milkshake = 2/3

Step-by-step explanation:

Given data:

Total ounce of milkshake = 12 ounce

Vanilla milkshake = 4

Chocolate is the rest <em>which can be interpreted as 12 - 4= 8 ounce</em>

Representing as fractions

<em>Vanilla milkshake = </em>4/12 <em>(Reducing to lowest terms that is diving numerator and denominator by common factor in this case 4)</em>

Vanilla milkshake = 1/3

Chocolate milkshake = 8/12 <em>(Reducing to lowest terms that is diving numerator and denominator by common factor in this case 4)</em>

Chocolate milkshake = 2/3

<em />

5 0
3 years ago
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