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aleksandr82 [10.1K]
3 years ago
15

How mush does a cap and a slinky​

Mathematics
1 answer:
Kitty [74]3 years ago
8 0

Most pictures of the Sun depict it as a yellow heavenly body. The primary reason why the Sun appears yellow is the fact that it is made up of gases such as hydrogen and helium along with other elements like sulfur, magnesium, carbon, neon, iron, oxygen, nickel, chromium and calcium. The interaction of these elements caused by the nuclear fusion and collision of their ions makes the surface of the Sun reach temperatures to about 10 000 Fahrenheit. The very hot temperature of its different layers makes the Sun to have white color. The scattering of light particles in the earth’s atmosphere when the Sun is gazed from earth gives it yellow color.

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Please help me and make sure to round the answers to the nearest hundred. I’ll give you brainiest!
mars1129 [50]

Answer:

add 2 zeros at the end of all of them

Step-by-step explanation:

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What two numbers multiply to be -12 and add to be 1
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It’s 4 and negative 3
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15<br> 2 pts<br> Find the area of the given shape,<br> a) 18<br> b) 15<br> c) 24<br> d) 21
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Answer:

  A.  18

Step-by-step explanation:

The area of a trapezoid is given by the formula ...

  A = 1/2(b1 +b2)h

Here, the parallel bases have lengths 3 and 9. The height is 3, so the area is ...

  A = 1/2(3 +9)(3) = 18

The area of the trapezoid is 18 square units.

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3 years ago
If the mean heights of three groups of students consisting of 20,16 and 14 students are 167m, 150m and 1.40m respectively find t
Aleonysh [2.5K]

Answer:

1.54 m

Step-by-step explanation:

Given information:

<u>Three groups of students</u>

  • 20 students with a height of 1.67 m
  • 16 students with a height of 1.50 m
  • 14 students with a height of  1.40 m

⇒ Total number of students = 20 + 16 + 14 = 50

To find the <u>mean height</u> of all the students, <u>divide</u> the <u>sum of all the students' heights</u> by the <u>total number of students</u>:

\begin{aligned}\implies \sf mean\:height & =\dfrac{(20 \times 1.67)+(16 \times 1.50)+(14 \times 1.40)}{50}\\\\ & = \dfrac{33.4+24+19.6}{50}\\\\ & = \dfrac{77}{50}\\\\ & = 1.54\:\: \sf m\end{aligned}

Therefore, the mean height of all the students is 1.54 m

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2 years ago
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