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3 years ago

15

What is the area of a triangle whose base is 15 centimeters and whose height is 10 centimeters

2 answers:

Mrac [35]3 years ago

8 0

Answer: 75

Step-by-step explanation:

15x10=150/2=75

Kazeer [188]3 years ago

7 0

Answer:

75

Step-by-step explanation:

o find the area of a triangle, multiply the base by the height, and then divide by 2. The division by 2 comes from the fact that a parallelogram can be divided into 2 triangles. For example, in the diagram to the left, the area of each triangle is equal to one-half the area of the parallelogram.

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Write the equation in slope-intercept form then change it to standard form with integer coefficients.

SCORPION-xisa [38]

Answer:

1. Slope-intercept form: $y = 2x - 4$

Standard form: $2x - y = 4$

2. Slope-intercept form: $y = \dfrac12x - 1$

Standard form: $x - 2y = 2$

3. Slope-intercept form: $y = \dfrac45x + \dfrac{21}{5}$

Standard form: $4x -5y = - 21$

Step-by-step explanation:

Slope intercept form: $y = mx + b$

where:

$y$ = y-coordinate
$m$ = slope
$x$ = x-coordinate
$b$ = y-intercept

Standard form: $Ax + By = C$

$\textsf{1. as} \ m=2: \ \ y = 2x + b$

$\textsf{at} \ (6, 8): \ \ 8 = 2(6) + b$

$\implies b = -4$

Slope-intercept form: $y = 2x - 4$

Standard form: $2x - y = 4$

$\textsf{2. as} \ \ m = \dfrac12: \ \ y = \dfrac12x + b$

$\textsf{at} \ (4, 1): \ \ 1 = \dfrac12(4) + b$

$\implies b = -1$

Slope-intercept form: $y = \dfrac12x - 1$

Standard form: $x - 2y = 2$

$\textsf{3. as} \ \ m = \dfrac45: \ \ y = \dfrac45x + b$

$\textsf{at} \ (1,5): \ \ 5 = \dfrac45(1) + b$

$\implies b = \dfrac{21}{5}$

Slope-intercept form: $y = \dfrac45x + \dfrac{21}{5}$

Standard form: $4x -5y = - 21$

7 0

2 years ago

The slope of a linear function is 1/5. For every rise of 5 units, what is the run?

Jlenok [28]

Answer:

for every rise of 1 the run would be 25

7 0

3 years ago

Multiply and reduce to lowest terms. Convert into a mixed number if necessary.

BlackZzzverrR [31]

Answer:

1 1/3

Step-by-step explanation:

2(8/12)=16/12=1 4/12=1 1/3

3 0

2 years ago

Name two solutions to y = 3x - 5

wlad13 [49]

Answer:

(1,-2) and (0,-5) (There are an infinite amount more)

Step-by-step explanation:

The easiest way to find solutions is to plug in an x value. Let's try 1:

y = 3(1) - 5⇒y = 3 - 5⇒y = -2

(1,-2)

Let's try 0:

y = 3(0) - 5⇒y = 0 - 5 ⇒y = -5

(0,-5)

6 0

3 years ago

I need help solving |-5y+9|= 14

Dmitry [639]

Answer:

-5 turns into 5 and the y is probably 1, so 5+9 is equal to 14.

Step-by-step explanation:

8 0

2 years ago

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