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vovangra [49]
2 years ago
11

Solve for r. 5(r - 10) = -51 Enter the answer in the box.​

Mathematics
1 answer:
ANTONII [103]2 years ago
7 0
5(r - 10) = -51
= 5r - 50 = -51
= 5r = -51 + 50
= 5r = -1
= r = -1/5

r = -0.2
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Pleaseeeee help me. i really need it.
deff fn [24]

comparing the relation given

thus y= -2x +1 to the general equation of a line

where y= mx + c

where m is the gradient and c is the intercept on the y-axis.

from the question, the gradient is -2 and since the line is perpendicular, the gradient is given as

\frac{ - 1}{m}

so substituting the value of m in to the equation

\frac{ - 1}{ - 2}

=

\frac{1}{2}

as the gradient

equation of line is given by

y - y1 = m( x-x1)

from the question y1= -2 and x1=1

substitute them

y-(-2) = 1/2 (x -1)

y+2 =1/2 (x-1)

multiplying through by 2

2 (y+2) = x-1

2y +4 = x-1

2y =x-1-4

2y =x-5

x -2y -5 = 0

therefore the equation for the line is x-2y -5=0

7 0
2 years ago
Triangle M N O is shown. Angle O N M is a right angle. Angle N O M is 40 degrees and angle L M N is 50 degrees.
Furkat [3]

Given:

In triangle MNO, angle ONM is a right angle. Angle NOM is 40 degrees and angle LMN is 50 degrees.

To find:

The value of cos(M).

Solution:

In a right angle triangle,

\cos \theta=\dfrac{Base}{Hypotenuse}

Draw a diagram using the given information.

In triangle MNO, angle ONM is a right angle so its opposite side MO is the hypotenuse. For vertex M, MN is the base of the triangle. So,

\cos (M)=\dfrac{MN}{MO}

Therefore, the correct option is B.

5 0
3 years ago
Read 2 more answers
FYI I thank to everyone and give brainliest!!!!!!!!!
Kobotan [32]
To find (f+g)(x), add the equations and simplify by combining like terms.

(x/2)-2+2x^2+x-3
2x^2+ (x/2) +x -5
2x^2 + (1/2)x+x -5
2x^2+ (3/2)x -5

Final answer: C

Remember that (x/2) is the same as (1/2)x. They both represent half of x.
4 0
3 years ago
Amber is 3 years younger than Beth. Camille is twice as old as Beth. The sum of their three ages is 25. How old is each person?
slava [35]
Beth is 14 Amber is 11 Camille is 28
8 0
3 years ago
Its a screen shot do do do doooo
larisa86 [58]

Depends on what pi is.

It could be

50.24 yards (pi is rounded)

OR

16π yards

8 0
3 years ago
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