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harkovskaia [24]
3 years ago
13

HELP ILL MARK BRAINLIEST Please just do questions 4. And 5.

Mathematics
2 answers:
KonstantinChe [14]3 years ago
6 0

Answer:

Step-by-step explanation:

4. 1/8   > 0.12

5. -6/7  < -5/6

6. 3/10 + (-7/10) = -4/10= -2/5

7. -4/9 - 1/9 = -5/9

Evgesh-ka [11]3 years ago
5 0

Answer:

1/8 will be 0.125 as a decimal so that is greater than 0.12! so it will be this 1.8 \geq 0.12

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5 0
2 years ago
Which represents a side length of a square that has an area of 450 square inches?
amm1812

The formula of an area of a square:


A=a^2


a - a side


We have A=450\ in^2


substitute:


a^2=450\to a=\sqrt{450}\\\\a=\sqrt{225\cdot2}\\\\a=\sqrt{225}\cdot\sqrt2\\\\\boxed{a=15\sqrt2\ in}


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5 0
3 years ago
What is the equation of the line that passes through the point (-2,5) and has a<br> slope of -4?
adoni [48]

Answer:

\boxed {\boxed {\sf y= -4x -3}}

Step-by-step explanation:

We are asked to find the equation of a line given a point and the slope. We will use the point-slope formula.

y-y_1= m(x-x_1)

In this formula, m is the slope and (x₁, y₁) is the point the line passes through. The slope of this line is -4 and the line passes through (-2,5).

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Substitute the values into the formula.

y-5 = -4 (x--2)

y-5 = -4 (x+2)

We are finding the equation of the line, so we should find the slope-intercept form or y=mx+b ( where m is the slope and b is the y-intercept).We must isolate the variable y on one side of the equation.

First, distribute the -4 on the right side of the equation. Multiply each term inside the parentheses by -4.

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y-5 =(-4x)+ (-8)\\y-5= -4x -8

5 is being subtracted from y. The inverse operation of subtraction is addition, so we will add 5 to both sides of the equation.

y-5 =-4x -8 + 5

y= -4x -3

The equation of the line is y= -4x -3. The slope of the line is -4 and the y-intercept is -3.

6 0
3 years ago
Please answer all questions thanks!!!
Romashka [77]
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4 0
3 years ago
The quotient of two numbers is negative. It must be true that _____. a neither number is negative b one of the numbers is negati
vivado [14]
The answer is B.) one of the numbers is negative. 

So if you take the example...
-3 x -7 = 21
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3 0
3 years ago
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