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2 years ago

10

Look at the two sums shaded in the addition table.why are the sums the same

1 answer:

Kruka [31]2 years ago

4 0

Answer:

LOOK

Step-by-step explanation:

Because of the communitve property of addtion which states that

x+y=y+x

In the addition table

5+9 is equal to 9+5 and both equal 14

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Y = -7x + 4

Step-by-step explanation:

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How do I solve this I don't understand?

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A model aeroplane costs £3.40. James gets a special deal. When he buys two airplane, he saves 20% of the total price. How much d

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2 years ago

Write a numerical expression that has a value equal to each number from 1 through 30. In each expression, use each of four conse

Hunter-Best [27]

Answer:

See Explanation

Step-by-step explanation:

Required

Use any 4 consecutive digit from 0 to 9 to form an expression that equals 1 through 30

There is no formula to answer this question. All we need to do is, apply trial by error method to for each expression.

Possible expression and their results are:

$- 1 + 2 * 3 - 4 = 1$

$1 + 2 + 3 - 4 = 2$

$0 * 3 + 1 + 2 = 3$

$0 * 2 + 1 + 3 = 4$

$1 * 3 + 4 - 2 =5$

$0 + 1 + 2 + 3 = 6$

$0 + 1 + 2 * 3 = 7$

$3 + 4 - 5 + 6 = 8$

$1 * 2 + 3 + 4 =9$

$1 + 2 + 3 + 4 =10$

$2^3 + 4 - 1 = 11$

$5 + 6 - 7 + 8 =12$

$4^2 - 3 * 1 = 13$

$2 + 3 + 4 +5=14$

$2 * 3 +4 + 5 = 15$

$4 * (3 - 1)^2 = 16$

$3 * 5 + 4/2 = 17$

$3 + 4 + 5 + 6 = 18$

$2 + 3 * 4 + 5 = 19$

$3 + 2^4 + 1 = 20$

$4 * 5 - 6 + 7 = 21$

$4 + 5 + 6 + 7 =22$

$3 * 4 + 5 + 6 = 23$

$5^2 -4 + 3 = 24$

$2^5 - 4 - 3 = 25$

$5 + 6 + 7 +8 = 26$

$\frac{3^4}{5-2} =27$

$5 * 4 + 2^3 = 28$

$3 + 4 * 5 + 6 = 29$

$6 + 7 + 8 +9 = 30$

5 0

2 years ago