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irakobra [83]
3 years ago
9

Divide 25 by 8 write the quotient with a fraction

Mathematics
1 answer:
ehidna [41]3 years ago
5 0
3 1/8 or 3.125 or 25/8
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Solve the system by the substitution method -4x + 3y = -7 y = 2x - 5
bagirrra123 [75]

Answer: x=4 and y= 3


Step-by-step explanation: Solve for the first variable in one of the equations, then substitute the result into the other equation


8 0
3 years ago
Given that sinθ=-3/4 in quadrant 4 find cosθ
Gekata [30.6K]

Step-by-step explanation:

sin∅=-3/4 in 4 quadrant which sine is negative there

using soh cah toa

sin=opp/hyp

where our opp=-3 and our hyp=4

using pythagoras theorem

hyp²=opp²+adj²

(4)²=(-3)²+adj²

16=9+adj²

16-9=adj²

adj²=7

adj=√7

from soh cah toa

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4 0
2 years ago
A kite is 85 feet high with 100 feet of string let out. What is the angle of elevation of the string with the ground? Please sho
a_sh-v [17]

Answer:

  58°

Step-by-step explanation:

A right triangle can be drawn to model the geometry of the problem. The hypotenuse of the triangle is the length of the string, 100 ft. The side opposite the angle is the height of the kite above the ground, 85 ft.

The mnemonic SOH CAH TOA reminds you of the relationship between sides and angles.

  Sin = Opposite/Hypotenuse

  sin(α) = (85 ft)/(100 ft) = 0.85

The angle whose sine is 0.85 is found using the arcsine (inverse sine) function:

  α = arcsin(0.85) ≈ 58.2°

The angle of elevation is about 58°.

_____

When using your calculator to find the values of inverse trig functions, make sure it is in <em>degrees</em> mode. Otherwise, you're likely to get the answer in radians (≈ 1.01599 radians).

6 0
2 years ago
Courtney is twice as old as Andre and three yoars older than Natalio Courtnoy is half Shar's ago Tho differenco between Shani's
Ghella [55]

Answer:

Andre's

Step-by-step explanation

I think its Andre. I apologize if it is not.

3 0
3 years ago
Find the discount and the selling price, when:<br> (ii) the printed price =₹12750, discount= 25/3%
vodomira [7]

Answer:

12,741.66666

Step-by-step explanation:

12750 - 25/3%

= 12,741.66666

3 0
2 years ago
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