2 years ago

Name the property 7/9•1=7/9

Mathematics

1 answer:

Ugo [173]2 years ago

6 0

Identity property of multiplication (multiplying a number by one will result in that number)

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The slope of the line that passes through the points (-10,y) and (5, 2) is 2/5. What is the value of y?

Murrr4er [49]

Answer:

C, -4

Step-by-step explanation:

slope=change in y/change in x

$\frac{2 - y}{5 - ( - 10)} = \frac{2}{5}$

$\frac{2 - y}{5 + 10} = \frac{2}{5}$

multiply both sides by 2/5

$2 - y = \frac{2}{5} (5 + 10)$

simplify the right side. 2/5 × 5 = 2 and 2/5 × 10 = 4

$2 - y = 2 + 4$

$2 - y = 6$

bring y to the other side by adding y on both sides

$2 = 6 + y$

subtract 6 on both sides

$2 - 6 = y$

so y is -4

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2 years ago

What is the sign of 3x y3xy3, x, y when x>0x>0x, is greater than, 0 and y<0y<0y, is less than, 0?

kaheart [24]

Answer:

B ) Negative

Step-by-step explanation:

Given the expression 3xy

when x>0 and y<0

The value of the expression 3xy will be negative.

This is because the product of a positive and negative number will always be negative.

For illustration,

Let x=5>0 and y=-5<0

3xy=3(5)(-5)=-75

NOTE:

$-X-=+\\-X+=-\\+X+=+$

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3 years ago

What is the answer to this problem? 3(2x-5)-4x+8=-2x+1

Troyanec [42]

Answer:

Step-by-step explanation:

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3 years ago

Four times a number is greater than 48. what are the possible values for the number?

Novosadov [1.4K]

Answer:

52 =4x 13

Step-by-step explanation:

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3 years ago

Read 2 more answers

What is the value of the expression? 1500÷50

ra1l [238]

Answer:

the answer is 30.

Step-by-step explanation:

50 goes into 1500 30 times so the answer is 30.

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2 years ago