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kykrilka [37]
4 years ago
12

Help plssss asap ty !

Mathematics
1 answer:
Serga [27]4 years ago
7 0

Answer:

The area of the triangle is 20 square centimeters

Step-by-step explanation:

The formula of the area of a triangle is A = \frac{1}{2} b h, where

  • b is the length of its base
  • h is the length of the height of this base

In Triangle ABC

∵ BC is its base

∵ The length of BC is 5 centimeters

∴ b = 5

∵ The height of The base BC is 8 centimeters

∴ h = 8

- Use the formula of the area to find the area of triangle ABC

∵ A = \frac{1}{2} b h

∴ A = \frac{1}{2} (5)(8)

∴ A = 20 centimeters²

The area of the triangle is 20 square centimeters

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WILL MARK BRANIEST: Write the equation of the line fully simplified slope-intercept form.
Ierofanga [76]

Answer:

y = 3x - 4

Step-by-step explanation:

Slope-intercept is defined <em>y = mx + b</em>

Where m = slope (change in y-coordinate/ change in x-coordinate)

and b = y-intercept (where the graph crosses the y-axis)

For every 1 unit the line moves horizontally... it travels 3 units vertically. Therefore the slope (m) equals 3/1 or 3

The line crosses the y-axis at -4. Therefore... the y-intercept (b) is -4

I hope this helps!

8 0
3 years ago
Read 2 more answers
Y= (x-1)^2 + 2 <br><br> change this equation into standard form
BaLLatris [955]

Answer:

x² - 2x + 3

Step-by-step explanation:

y = (x - 1)² + 2

= (x - 1)² + 2 [a - b]² = <em><u>a²- 2ab + b²</u></em>

= x²- 2x + 1 + 2

= x² - 2x + 3

Thus, the standard form of the equation is x² - 2x + 3

8 0
3 years ago
Volume question
ioda

Answer:

The answer is 61.4 L

Step-by-step explanation:

Using the formula of cuboid, V = l×b×h, to find the total amount of water contained :

l = 120cm

b = 40cm

h = 15cm

V = 15×120×40

= 72 000cm³

= 72 L

It is given that she uses 10.6L for shower. Then calculate the remaining water by substracting 10.6L from the original amount of water :

remaining = 72 - 10.6

= 61.4 L

8 0
4 years ago
A pyramid-shaped hip roof is a good choice for a house in an area with many hurricanes. What is the volume of the roof to the ne
Lubov Fominskaja [6]

The volume of the roof is 10667 cube feet and the volume of the entire house, including the roof, is 58667 cube feet.

<h3>How to find the volume of the composite figures?</h3>

To find the volume of the composite figures, follow the steps listed below:,

  • Separate the figure.
  • Calculate the volume of each figure by which the composite figure is made of.
  • Add the volume of all the individual figures to get the total volume of composite figures.

A pyramid-shaped hip roof is a good choice for a house in an area with many hurricanes. The volume of the roof is:

V=\dfrac{1}{3}(\text{length x width x height})\\V=\dfrac{1}{3}40\times40\times20\\V\approx10667\rm\; ft^3

The volume of the room is:

V=length x width x height

V=40 x 40 x 30

V=48000 ft³

The volume of the entire house, including the roof, is,

V=10667+48000

V=58667 ft³

Thus, the volume of the roof is 10667 cube feet and the volume of the entire house, including the roof, is 58667 cube feet.

Learn more about the volume of composite figures here;

brainly.com/question/1205683

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7 0
2 years ago
Rocío trabaja en una peluquería, le pagan $50 por corte realizado, adicionalmente recibe $25 al día. Si el día miércoles recibió
skad [1K]

Usando conceptos de funciones lineales, se encuentra que hizo 5 cortes.

----------------

Una funcion lineale tiene el seguiente formato:

y(x) = ax + b

En que:

  • a eres lá inclinacion, o sea, lo que es pago por cada corte.
  • b eres el intercepto, o sea, lo pagamiento fixo por día.

----------------

  • Pagan $50 por corte realizado, o sea, a = 50.
  • $25 fixo al día, o sea, b = 25

Entonces, la funcion de su recibimiento y, como funcion de su numero de cortes x, es da por:

y(x) = 25 + 50x

----------------

  • Recibió $275, o sea, y(x) = 275

Entonces, el numero de cortes es:

y(x) = 25 + 50x

25 + 50x = 275

50x = 250

x = \frac{250}{50}

x = 5

Realizó 5 cortes.

Un problema similar se encuentra en  brainly.com/question/18070326

7 0
3 years ago
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