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GarryVolchara [31]
3 years ago
8

There are 45 crayons in a box

Mathematics
1 answer:
BlackZzzverrR [31]3 years ago
4 0
??? What chu mean by 45 crayons
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A blimp provides aerial television views of a tennis game. The television camera sights the stadium at a 17degrees angle of depr
BaLLatris [955]

Answer:

1379.31meters  is the​ line-of-sight distance from the television camera to the base of the stadium​ .

Step-by-step explanation:

As given

A blimp provides aerial television views of a tennis game.

The television camera sights the stadium at a 17degrees angle of depression. The altitude of the blimp is 400m.

Now by using the trignometric identity .

sin\theta = \frac{Perpendicular}{Hypotenuse}

As the figure is given below .

Perpendicular = AC = 400 m

Hypotenuse = AB

\theta = 17^{\circ}

Putting all the values in the identity .

sin17^{\circ} = \frac{400}{AB}

0.29\ (Approx)= \frac{400}{AB}

AB= \frac{400}{0.29}

AB = 1379.31 meters

Therefore the 1379.31 meters  is the​ line-of-sight distance from the television camera to the base of the stadium​ .

3 0
3 years ago
Sam divided a rectangle into 8 congruent rectangles that each have the area shown. What is the area of the rectangle before Sam
Travka [436]
Ummm me dont do math but i say dat it wuz a goowd numbwa 2
3 0
3 years ago
Last week, Sarah had exams in Math, Spanish, and English. On the Math exam, the mean was µ = 30 with s = 5, and Sarah had a scor
serious [3.7K]

Answer:

Sara expect the better grade for Math class.

Step-by-step explanation:  

Consider the provided information.

On the Math exam, the mean was µ = 30 with s = 5, and Sarah had a score of X = 45.

Z score for Math: Z=\frac{x-\mu}{s}

Z=\frac{45-30}{5}

Z=\frac{15}{5}

Z=3

On the Spanish exam, the mean was µ = 60 with s = 8 and Sarah had a score of X = 68.

Z score for Spanish: Z=\frac{x-\mu}{s}

Z=\frac{68-60}{8}

Z=\frac{8}{8}

Z=1

On the English exam, the mean was µ = 70 with s = 8 and Sarah had a score of X = 70.

Z score for English: Z=\frac{x-\mu}{s}

Z=\frac{70-70}{8}

Z=0

We can observe that Z score of Math is greater than Spanish and English.

Which means that Sarah did the best in her Math exam.

Hence, Sara expect the better grade for Math class.

8 0
4 years ago
Which statements are truth about exponential decay and functions ? Check all that apply
Alex787 [66]

there is not enough information

8 0
3 years ago
Select "Rational" or "Irrational" to classify each number.
dalvyx [7]

Answer:

Step-by-step explanation:

0.144 rational

√(0.144)  irrational

√(0.0144)=0.12 rational

8 0
3 years ago
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