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Triss [41]
3 years ago
7

I need help. I can't figure this question out.

Mathematics
1 answer:
ki77a [65]3 years ago
4 0
  • -30a5b+12a4b3+16a3b2-4a2b4-2ab3
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What is the area of a trapezoid that has the bases of 1 1/4ft and 14 inches and a height of 3 inches.
Rom4ik [11]

The area of the trapezoid is 43.5 inches²

Step-by-step explanation:

The formula of the area of a trapezoid is A=\frac{1}{2}(b_{1}+b_{2})h , where:

  • b_{1} and b_{2} are the two parallel bases
  • h is its height

∵ b_{1} = 1\frac{1}{4} feet

∵ b_{2} = 14 inches

∵ h = 3 inches

- Change the length of b_{1} from feet to inches

∵ 1 foot = 12 inches

∴ 1\frac{1}{4} feet = 1\frac{1}{4} × 12 = 15 inches

∴ b_{1} = 15 inches

Substitute the values of b_{1} , b_{2} and h in the

formula of the area

∴ A=\frac{1}{2}(15+14)(3)

∴ A = 43.5 inches²

The area of the trapezoid is 43.5 inches²

Learn more:

You can learn more about the area of figures in brainly.com/question/12919591

#LearnwithBrainly

5 0
4 years ago
A turtle can walk 1/12 of a kilometer in an hour. The turtle is 1/5 o a kilometer away from a pond. At this speed,how long will
eimsori [14]

Answer:

It will take 5/12 hours.

Step-by-step explanation:

Given,

The speed of turtle = \frac{1}{12} km per hour,

Distance covered = \frac{1}{5} km,

Since,

Speed =\frac{Distance}{Time}

\implies Time =\frac{Distance}{Speed}

Hence, the speed of turtle = \frac{\text{1}{12}}{\frac{1}{5}}

=\frac{5}{12} hour.

7 0
3 years ago
Help me ASAP for this question
steposvetlana [31]

Answer:

It would be the first graph, because if you look at the points on your graph the first one is (0,1), the the next one is (5,2), and so on so forth, that makes your answer the first graph, because that table is showing you the points that are marked

Step-by-step explanation:

4 0
4 years ago
Read 2 more answers
What is the domain of the square root function graphed below
Lina20 [59]

Answer:

Dominio de una Raíz cuadrada

Cuando tenemos una raíz, para estudiar su existencia debemos saber que una raíz existe si y solo sí el radicando (lo que está dentro de la raíz) sea mayor o igual a cero.

Por lo tanto deberemos estudiar el signo de lo que se encuentra dentro de la raíz; y determinar las zonas positivas y las raíces que son las zona de existencia de la función raíz o dominio de esta función.

Step-by-step explanation:

qsy

5 0
3 years ago
Does anyone know how to do this?
PSYCHO15rus [73]
Check the picture below

3 0
3 years ago
Read 2 more answers
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