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2 years ago

X =x=x, equals ^\circ ∘ degrees

Mathematics

1 answer:

Andrej [43]2 years ago

3 0

Step-by-step explanation:

x = 145°

we don't even need the upper parallel line with the 35° angle.

it is simply based on the fact that the angles on both sides of 2 intersecting lines have to be the same (just left-right mirrored).

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The cost of the five most popular items at an airport gift shop include a $10.99 decorative mug, a $3.99 postcard, a $4.59 keych

agasfer [191]

Answer: step-by-step

Step-by-step explanation:

decorative mug for $10.99

$10.99 x 6.4651 = 71.051449

(6.4651 is the chinese yuan conversion from 1 dollar)

(71.051449 is the total amount of the chinese yuans needed to buy the mug)

lmk if wrong, good luck!

8 0

2 years ago

What is the answer to this equation? -108=8x

Vera_Pavlovna [14]

-108=8x
Divide 8 on both sides
-13.5=x
The answer is...X=-13.5

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4 0

3 years ago

Factor out the common factor. 2x4 + 5x3 – 8x –20 (x3 + 4)(–2x – 5) (x3 – 4)(2x + 5) (x3 + 4)(2x + 5)

horsena [70]

Answer:

The common factor is (x3 – 4)(2x + 5)

Step-by-step explanation:

1. find gcf

2. factor out the gcf

3. use grouping

4 0

3 years ago

Read 2 more answers

Write an equation in standard form for the line, where the points (-2, -1) and (0, 4) are on the line

DedPeter [7]

Answer:

An equation in standard form for the line is:

$\frac{5}{2}x-y=-4$

Step-by-step explanation:

Given the points

(-2, -1) and (0, 4)

The slope between two points

$\mathrm{Slope\:between\:two\:points}:\quad \mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}$

$\left(x_1,\:y_1\right)=\left(-2,\:-1\right),\:\left(x_2,\:y_2\right)=\left(0,\:4\right)$

$m=\frac{4-\left(-1\right)}{0-\left(-2\right)}$

$m=\frac{5}{2}$

Writing the equation in point-slope form

As the point-slope form of the line equation is defined by

$y-y_1=m\left(x-x_1\right)$

Putting the point (-2, -1) and the slope m=1 in the line equation

$y-\left(-1\right)=\frac{5}{2}\left(x-\left(-2\right)\right)$

$y+1=\frac{5}{2}\left(x+2\right)$

$y=\frac{5}{2}x+4$

Writing the equation in the standard form form

As we know that the equation in the standard form is

$Ax+By=C$

where x and y are variables and A, B and C are constants

$y=\frac{5}{2}x+4$

$\frac{5}{2}x-y=-4$

Therefore, an equation in standard form for the line is:

$\frac{5}{2}x-y=-4$

7 0

3 years ago

I dont get this basically any of this

Firdavs [7]

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3 years ago