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Nookie1986 [14]
3 years ago
14

Evaluate the expression for s = 21. s + 58

Mathematics
2 answers:
Akimi4 [234]3 years ago
8 0
The correct answer is 79
omeli [17]3 years ago
6 0

Answer:

The answer is 79.

Step-by-step explanation:

(21) + 58

=79

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What is the maximum height and how long will it take for the rocket to hit its maximum height?
worty [1.4K]
.................... did this for the points
3 0
3 years ago
An observer (O) spots a plane flying at a 42° angle to his horizontal line of sight. If the plane is flying at an altitude of 15
NeTakaya

Answer:

D. 22,417 feet

Step-by-step explanation:

Fine the diagram in the attachment for proper elucidation. Using the SOH, CAH, TOA trigonometry identity to solve for the distance (x) from the plane (P) to the observer (O), the longest side x is the hypotenuse and the side facing the angle of elevation is the opposite.

Hypotenuse = x and Opposite = 15,000feet

According to SOH;

sin 42^0 = \frac{Opposite}{Hypotenuse} \\\\Sin42^0 = \frac{15000}{x}\\ \\x = \frac{15000}{sin42^0}\\\\ \\

x = \frac{15000}{ 0.6691} \\\\x = 22,417 feet

Hence the distance (x) from the plane P to the observer O is approximately 22,417 feet

3 0
4 years ago
yesterday, 2000 circular jellyfish, each of diameter 2 feet, were lying within a section of ocean floor that measured 120' by 36
Ymorist [56]
The area of one jellyfish is pi r squared or 3.14 x 1 squared (the diameter of the jellyfish is 2 feet so the radius is 1 foot) or essentially 3.14 square feet. 2000 x 3.14 = 6280 square feet. The area of the ocean floor is 120 x 360 feet or 43200 square feet. So 6280/43200 is equal to 0.15 or 15%
8 0
3 years ago
Hey market sales six cans of food for every seven boxes of food the market sold a total of 26 cans and boxes today how many of e
My name is Ann [436]

Answer:

It sold 14 cans boxes of food and 12 cans of food.

Step-by-step explanation:

The factor for the food cans depend upon every seven food boxes .So, the same no. of sets of food cans will be sold.

Let the no. of sets of food boxes be x.

According to the question,

6x+7x=26

13x=26

x=26/13

x=2

No. of food cans =6x=6×2=12 cans

No. of food boxes=7x=7×2=14 boxes

Please mark brainliest ,if it is truly the best ! Thank you!

4 0
3 years ago
The vertices of Figure ABCD are A(1,1), B(2,3) C(4,3) and D(5,1). If Figure ABCD is reflected over the line y = -1, find the coo
Vlad [161]

Answer:

  • <u><em>(2, - 5)</em></u>

Explanation:

<em>The line y = -1 </em>is horizontal: parallel to the y-axis.

The point<em> B (2,3)</em> is above <em>the line y = - 1 </em>at a distance equal to the y-coordinate of B (y = 3) less - 1:

  • Δy = 3 - ( - 1) = 4

When the <em>point B (2,3) </em>is <em>reflected over the line y = -1</em>, the x-coordinate does not change.  The image will be 4 units down the line y = -1, thus the y-coordinate will be - 1 - 4 = - 5.

Hence,<em> the coordinates of the vertex B'</em> are x = 2, y = - 5: (2, - 5).

7 0
3 years ago
Read 2 more answers
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