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2 years ago

¿Alguien sabe como se llaman estas figuras en inglés?

Mathematics

1 answer:

Mariana [72]2 years ago

4 0

Answer:

7. parallelogram

8. square

9. trapezoid (trapezium) (maybe "acute" - can't see the whole image)

10. rhombus

11. ?

12. rectangle

13. equilateral triangle

14. scalene triangle

15, 16, 17 and 18 are all isosceles triangles as they have 2 sides of equal length

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A manufacturer claims that its cleaning product is best because over half of the cleaning services surveyed used the product. Wh

balu736 [363]

Answer:

D. Only one cleaning product was asked about in the survey.

Any given company can use more than one cleaning product or even use a combination of different cleaning products. The question was not specific enough, since it should have probably asked which cleaning products are used and which ones are used more frequently.

Step-by-step explanation:

the other options are wrong because:

A. Only 50 cleaning services were surveyed. ⇒ This actually would increase the validity of the claim because it satisfies the the condition for a valid confidence interval [np and n(1 - p) are larger than 10]-
B. Cleaning services were selected at random. ⇒ This actually would increase the validity of the claim.
C. A well-known company conducted the survey. ⇒ This actually would increase the validity of the claim.

8 0

3 years ago

Find the arc length intercepted by a central angle of radians in a circle whose radius is 18.4 inches. 13.8π 15.2π 24.5π

Margarita [4]

If the measure of the given central angle is $\theta$ rad, then the length of the subtended arc is $\ell$ satisfying

$\dfrac{\ell}{2\pi(18.4\,\mathrm{in})}=\dfrac{\theta\,\mathrm{rad}}{2\pi\,\mathrm{rad}}\implies\ell=36.8\pi\theta\,\mathrm{in}$

It's not clear from the question what the value of $\theta$ is...

7 0

3 years ago

Read 2 more answers

3. Due to leakage, 30% of the water was lost from a water tank. If

Anni [7]

Answer:

1133.3 liters of water after leakage.

Step-by-step explanation:

x*.30=340

x=340/.30

x=1133.33

7 0

3 years ago

Identify the quadratic term in the function. Please Help!!! ASAP!!!

Goshia [24]

The quadratic term is 2x^2.

7 0

3 years ago

Which statements are true regarding the area of circle

Pavlova-9 [17]

Question:

Which statements are true regarding the area of circle D? Select two options.

The area of the circle depends on the square of the radius.

The area of circle D is 36Pi centimeters squared.

The area of circle D is 324Pi centimetres squared

The area of the circle depends on the square of pi.

The area of the circle depends on the central angle.

Answer:

The following statements are true regarding the area of circle D:

The area of the circle depends on the square of the radius
The area of circle D is 324Pi centimeters

Step-By-Step Explanation:

As we know, the formula for area of the circle is given by,

$A=\pi r^{2}$

Where, r = radius of the circle. In figure, CD = radius = 18 cm

So, the circle area can be measured as

$A=\pi(18)^{2}=324 \pi \mathrm{cm}^{2}$

From this, concluding that the circle area depends on radius square and its value is $324 \pi \mathrm{cm}^{2}$ . Hence, the statement given in option A and C are correct (reveals that option B is incorrect).

As the Pi is constant, the circle radius cannot depend on Pi value and Option D also incorrect. The area of sector of circle only depends on ratio of central angle to entire circle (So option E also incorrect).

6 0

3 years ago

Read 2 more answers