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Alborosie
3 years ago
15

20 = -d + 6

Mathematics
2 answers:
ch4aika [34]3 years ago
6 0

Put all the components into the right place, and you will get

6-d=20,

then you subtract six from each side to get,

-d=20-6,

and again subtract 6 from 20.

Now you will get,

<u><em> -14 or option D.</em></u>


You were correct when you checked your answer.

Sphinxa [80]3 years ago
3 0

ok so rearrange things so that it says 6-d=20, then subtract six from each side to get -d=20-6, then subtract 6 from 20 to get -d=-14, then multiply both sides by -1 to get rid of the negative sign in front of the d since a variable cannot be a negative thus making your answer -14 or letter D. :) ❤❤❤❤

hope this helps

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What is LaTeX: m\angle PQRm ∠ P Q R? Line PS with midpoint at Q and ray QR. Angle pqr is 3x-6 and angle rqs is x+2
Mkey [24]

Answer:

<h3>132°</h3>

Step-by-step explanation:

If line PS has midpoint a Q and ray QR, then line PQS will be a straight line and <PQR + <RQS = 180 (sum of angle on a straight line).

Given

<PQR = 3x-6

<RQS = x+ 2

To get x, we will use the relationship above;

3x-6+x+2 = 180

4x-4 = 180

add 4 to both sides

4x-4+4 = 180+4

4x = 184

x = 184/4

x = 46

Since <PQR = 3x-6, we will substitute the value of x into the formula;

<PQR = 3x-6  

<PQR = 3(46)-6

<PQR = 138-6

<PQR = 132°

Hence the size of angle PQR is 132°

6 0
3 years ago
Which point has coordinates (–5, 8)?
Step2247 [10]

Answer:

I don't know this but when I do I'll tell you :))

Step-by-step explanation:

8 0
2 years ago
Beginning at the origin, how far do you travel along the x-axis when plotting the point below?
Svetradugi [14.3K]

Answer:

6 because 6 is the x value

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Quick Computing Company produces
olganol [36]

Answer:

c(x) = 2x^2 + 6x + 25

Completed question;

Quick Computing Company produces calculators. They have found that the cost, c(x), of making x calculators is a quadratic function in terms of x. The company also discovered that it costs $45 to produce 2 calculators, $81 to produce 4 calculators, and $285 to produce 10 calculators. Derive the function c(x).

Step-by-step explanation:

Given that;

the cost, c(x), of making x calculators is a quadratic function in terms of x.

c(x) = ax^2 + bx + c

Substituting the 3 case scenarios given;

it costs $45 to produce 2 calculators,

45 = a(2^2) + b(2) + c

45 = 4a + 2b +c .......1

$81 to produce 4 calculators,

81 = a(4^2) + b(4) + c

81 = 16a + 4b + c .......2

and $285 to produce 10 calculators.

285 = a(10^2) + b(10) + c

285 = 100a + 10b + c .......3

Solving the simultaneous equation;

Subtracting equation 1 from 2, we have;

36 = 12a + 2b ......4

Subtracting equation 1 from 3

240 = 96a + 8b .......5

Multiply equation 4 by 4

144 = 48a + 8b ......6

Subtracting equation 6 from 5, we have;

96 = 48a

a = 96/48

a = 2

Substituting a = 2 into equation 4;

36 = 12(2) + 2b

36 = 24 + 2b

2b = 36-24 = 12

b = 12/2 = 6

b = 6

Substituting a and b into equation 1;

45 = 4(2) + 2(6) +c

45 = 8 + 12 + c

c = 45 - (8+12)

c = 25

Since a = 2 , b = 6 and c = 25, the quadratic equation for c(x) is ;

c(x) = ax^2 + bx + c

c(x) = 2x^2 + 6x + 25

5 0
3 years ago
Solve ( 96 x 16 ) + 14 - ( 163 / 2 ) = ?
Anuta_ua [19.1K]

Answer:

= 2,937/2

OR

= 1468.5

Step-by-step explanation:

Given that:

= ( 96 x 16 ) + 14 - ( 163 / 2 )

Solving the brackets first

= 1536 + 14 - 163/2

Taking LCM to make denominators same:

= 1536*2/2 + 14*2/2 - 163/2

=  (3,072 + 28 - 163) / 2

By simplifying we get:

= 2,937/2

OR

= 1468.5

i hope it will help you!

8 0
3 years ago
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