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Olenka [21]
3 years ago
11

What is the coefficient in the expression -5x + 8

Mathematics
1 answer:
Katen [24]3 years ago
5 0
I really need points sorryyyyyyyy
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Which figure is the image produced by applying the composition T 0,3 o R0,90 to figure R?
Lyrx [107]

We are given original image R.

It is being translated by (0,3) first and then rotated by a positive angle 90 degrees.

Translation by (0,3) represents (x,y) --> (x, y+3) rule.

Positive 90 degree rotation represents, counterclockwise rotation.

The rule for counterclockwise rotation is (x,y) --> (-y,x).

Therefore, final rule for would be

(x,y) --> ( -y,x+3 )

Let us take a coordinate of R on y-axis as (0,-4).

Now if we apply rule (x,y) --> ( -y,x+3 ) we get

(0,-4)  --> (-(-4), 0+3) = (4,3).

Let us check the figure with coordinate (4,3).

We can clearly see that Figure H has transformed coordinate (4,3).

<h3>Therefore, correct option is first option A. figure H.</h3>
8 0
3 years ago
F '(x) = sin(x) - 65<br> What is f(x)?
irakobra [83]

Hello,

f'(x) = sin(x) - 65 → f(x) = -cos(x) - 65x

6 0
2 years ago
If Aditya can travel 80 km in 2 hours how many kilometres can he travel in 3 and half hours​
ivann1987 [24]

Answer:

distance covered in 2 hours = 80 km

distance covered in 1 hour = 80÷2 = 40 km

distance covered in 7/2 hours = 40 × 7/2

= 140 km

(3 1/2hours = 7/2 hours)

8 0
3 years ago
PLEASE HELP ME OUT !!! WILL APPRECIATE IT SO MUCH !!
mash [69]
Start with the general formula. The key word is difference. So the general formula is 

D(x) = W(x) - R(x) Now substitute in the values for W(x) and R(x)
D(x) = 0.002x^3 - 0.01x^2 - (x^2 - 4x  + 13) Be very careful about the sign in front of the brackets.

D(x) = 0.002x^3 - 0.01x^2 - x^2 + 4x - 13 Do you see what that minus sign did? It affected all 3 terms.

D(x) = 0.002x^3 - 1.01x^2 + 4x - 13 <em>Note: -0.01 - 1x^2 = - 1.01 x^2</em>
That gives you a clear cut answer

C<<<<< answer.

That sign is the worst part of the question. Make sure you understand what it did.
4 0
3 years ago
What expression can be used to find the total discount? Select all that apply. 0.3*42 or 3/10*42 or 0.03*42 or 3 *4.2
ehidna [41]

0.3*42   this gives you a 30% discount

3/10*42  this gives you a 30% discount

0.03*42 this gives you a 3% discount

3 *4.2  This is not a  discount

6 0
3 years ago
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