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Flauer [41]
3 years ago
11

Rearrange a (q-c)=d to make q the subject

Mathematics
1 answer:
Andrej [43]3 years ago
3 0
To rearrange you must first simplify
aq-ac=d  
add ac to each side:
aq=d+ac
then divide by a:
q=(d/a)+c and this is your answer
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Which lines are perpendicular to the line y – 1 = (x+2)? Check all that apply.
Ilya [14]

Answer:

none of them

Step-by-step explanation:

Two lines are perpendicular when satisfy the next equation: m1*m2 = -1, where m1 and m2 are the slopes o the lines.

line 1:  

y – 1 = (x+2)

y = x + 3

slope of line 1 = 1

line 2:  

y + 2 = –3(x – 4)

y + 2 = -3*x + 12

y =  -3*x + 10

slope of line 2 = -3

m1*m2 = 1*(-3 ) = -3

They are not perpendicular

line 3:  

y − 5 = 3(x + 11)

y − 5 = 3*x + 33

y = 3*x + 38

slope of line 3 = 3

m1*m3 = 1*3 = 3

They are not perpendicular

line 4:  

y = -3x –  

slope of line 4 = -3

m1*m4 = 1*(-3 ) = -3

They are not perpendicular

line 5:  

y = x – 2

slope of line 5 = 1

m1*m5 = 1*1 = 1

They are not perpendicular

line 6:  

3x + y = 7

y = -3x + 7

slope of line 6 = -3

m1*m6 = 1*(-3 ) = -3

They are not perpendicular

5 0
3 years ago
Read 2 more answers
Katia and Thomasina play a computer game and record these scores. Katia: 8, 6, -4, -7, 2, 0, 3 Thomasina: -11, 0, 8, 7, 5, -7, 1
suter [353]

Answer:

Step-by-step explanation:

there is no factorization of y^2 -2y +35 in real numbers

Thomasina correctly determined two factors of 35 that differ by 2, but that is not what is needed here. For this problem, she needs two factors of 35 that have a sum of 2.* (There aren't any real-number factors that meet that condition.)

__

The factorization in complex numbers would be ...

 = (y -1 -i√34)(y -1 +i√34)

_____

* Technically, she needs two factors of 35 with a sum of -2. Both factors would have to be negative.

8 0
3 years ago
What is the cosine ration ? HELP PLZ !!
garik1379 [7]

The cosine of angle X is

\cos X=\dfrac{XY}{XZ}=\dfrac{XY}{7.5}

By the Pythagorean theorem, we have

XY^2+YZ^2=XZ^2\implies XY=\sqrt{7.5^2-6^2}=4.5

Then

\cos X=\dfrac{XY}{XZ}=\dfrac{4.5}{7.5}

Multiplying numerator and denominator by 2, we get \dfrac9{15}.

3 0
3 years ago
Read 2 more answers
Factor 13ab^3 + 39a^2b^4
Rashid [163]
13ab^3(1+3ab) -ANSWER


You're factorising 13ab^3 from the expression - hope this helps:)
3 0
3 years ago
Read 2 more answers
A/.6 = 8 Whats the value of a?<br><br><br> Will give brainliest answer.
tatuchka [14]

Answer:

4.8

Step-by-step explanation:

8 times .6 is 4.8

So 4.8 divided by .6 would be 8!

I hope that helps!


8 0
3 years ago
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