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horrorfan [7]
3 years ago
6

Help me. Please ;-; i need 20 characters ;-;

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

I need more context

Step-by-step explanation:

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Solve 100 ÷ 5 × 4 + 43<br> A. 69 <br> B 144<br> C 0.3<br> D 1.2
Liula [17]
100/5= 20
20 x 4 = 80
80 + 43 = 123

if my math is correct then none are correct
(prolly a typo)
7 0
3 years ago
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Can you help me? sin 35 (degrees) Thanks!
Nata [24]
<span>OK, here's a *very* approximate "creative" method: 
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sin(a+b)=sin(a)cos(b) + cos(a)sin(b) </span>
<span>
choose a=30deg and b=5deg </span>
- sin(a)=0.5 (exact) 
- b is a small number so we say sin(b)~b (in radians). We can do a long division for this: 3.14/36 = 0.087 radians 
- similarly, for b sufficiently small, cos(b)~1 
<span>- now we only need cos(a) = sqrt(3)/2. We can approximately calculate sqrt(3) as 1.73, (by trial-and-error or better, by using the Babylonian method;  so sqrt(3)/2 = 0.865 </span>
<span>
Finally, sin(30 + 5) = (0.5 x 1) + (0.087 x 0.865) = 0.575 (calculating more digits is of no use because the sin(b)=b and cos(b)=1 are quite inaccurate approximations). </span>

<span>So that wasn't all too much effort, and we're close to the correct answer (0.574)


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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8 0
3 years ago
Write an equation in standard form that has a slope of 1/4 and crosses through the point (4, 3).
qaws [65]

slope intercept form

y -y1 = m(x-x1)

y-3 =1/4 (x-4)

distribute

y-3 =1/4 x-1

stand form of a line is Ax +by =c

so subtract 1/4 x from each side

y -3 -1/4 x =-1

add 3 to each side

y-1/4 x =2

-1/4 x +y =2

I would multiply by -4 on both sides to make the 1st term positive and get rid of the fraction

x -4y = -8


Find the slope of the line that crosses through the points (-3, -4) and (2, -3).

slope = (y2-y1)/(x2-x1)

m = (-3--4)/(2--3)

m = (-3+4)/(2+3)

m =(1/5)

m=1/5

8 0
3 years ago
Find the first four terms of the sequence represented by the expression.
Elodia [21]
Given:
3n + 5

n = 1 ; 3(1) + 5 = 3 + 5 = 8
n = 2 ; 3(2) + 5 = 6 + 5 = 11
n = 3 ; 3(3) + 5 = 9 + 5 = 14
n = 4 ; 3(4) + 5 = 12 + 5 = 17

The first four terms of the sequence are: 8, 11, 14, 17.  Second option.

3 0
3 years ago
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Free PTS_______<br>free​
EleoNora [17]

Answer:

thank you

Step-by-step explanation:

7 0
3 years ago
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