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3 years ago

11

Help me please, I’ll give brainliest!!

1 answer:

polet [3.4K]3 years ago

5 0

Answer:

A line that is perpendicular to y=2/5x-5 must have a slope of -5/2, but a line parallel to line y=5/2x+6 must have a slope of 5/2, and these slopes do not match up.

Explanation:

In order for a line to be parallel to another line, they must have the same slope. In order for a line to be perpendicular to another line, their slopes must be opposite reciprocals (meaning that when they are multiplied, the product is -1). From here you can find what slope the line must have to perpendicular or parallel to another line, and then you can see that the answers to not match up to be the same line!

Hope this helped :)

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Lady bird [3.3K]

The answer of it is:
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3 years ago

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What are the solution(s) to the quadratic equation 9x2 = 4?

Andreas93 [3]

The answer is \frac{2}{3} = x and \frac{2}{3} =x

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3 years ago

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Which equations are equivalent to Negative one-fourth (x) + three-fourths = 12?

deff fn [24]

Answer:

Option 'b' and 'e' are equivalent.

Step-by-step explanation:

Given : Expression $-\frac{1}{4}x+\frac{3}{4}=12$

To find : Which equations are equivalent to expression ?

Solution :

a) $-\frac{4x}{1}+\frac{3}{4}=12$

It is not equivalent.

b) $-\frac{x}{4}+\frac{3}{4}=12$

It is equivalent.

c) $\frac{x+3}{4}=12$

It is not equivalent.

d) $\frac{1}{4}(x+3)=12$

It is not equivalent.

e) $\frac{-x}{4}+\frac{3}{4}=12$

It is equivalent.

5 0

3 years ago

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24 cm ,18cm ,c <br> We are looking for c

Ierofanga [76]

Step-by-step explanation:

we can find the value of c by Pythagoras theorem

according to Pythagoras theorem

h² = a² + b²

where

h = hypotenuse (i.e. longest side of a right angled triangle)

a = side

b = base

so, we have to find h or hypotenuse here

h² = (24)² + (18)²

h = 576 + 324 = 900

h² = √900 = 30

c = 30

therefore, value of c is 30.

Hope this answer helps you dear!

3 0

2 years ago

The sum of the measures of the interior angles of a convex polygon is 1800 degrees? How many sides does the

AVprozaik [17]

Answer:

12 sides

Step-by-step explanation:

Given

Sum of interior angle = 1800 degrees

Required

Number of sides of the polygon

The sum of interior of a convex polygon is calculated using the following formula:

Sum = (n - 2) * 180

Where n is the number of sides of the polygon.

By substituting 1800 for Sum, we have

$1800 = (n - 2) * 180$

Divide through by 180

$\frac{1800}{180} = \frac{(n - 2) * 180}{180}$

$10 = n - 2$

Add 2 to both sides

$10 + 2 = n - 2 + 2$

$12 = n$

Re order

$n = 12$

Hence, the number of sides of the polygon is 12

6 0

3 years ago