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alexandr402 [8]
3 years ago
7

Which expression represents the calculation “subtract 30 from 40, then multiply by 4"? A) (30 − 40) × 4 B) 40 − (30 × 4) C) 4 −

(40 × 30) D) 4 x (40 − 30)
Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
5 0
The correct answer is D
artcher [175]3 years ago
4 0
The answer is D) 4 x (40-30)
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Use the distance formula from today’s lesson to find the distance between the point P(−2, 1) and the line y = 2x.
Serga [27]

Answer:

Distance from the point to the line will be \sqrt{5}m

Step-by-step explanation:

We have given the equation of the line is y = 2x\

So the equation of line will be y-2x = 0

Point from which we have to find the distance is (-2,1)

Distance from a point to line is given by d=\frac{Ax+By+C}{\sqrt{A^2+B^2}} , here A = -2 , B = 1 and C = 0

And point x = -2 and y = 1

So d=\frac{-2\times -2+1\times 1+0}{\sqrt{(-2)^2+1^2}}=\sqrt{5}m

So distance from the point to the line will be \sqrt{5}m

7 0
4 years ago
Indica si cada afirmación es verdadero (v) o falso (f) .
Ksivusya [100]

<span>A es falso porque podría dividirse por negativo.

B es verdadero porque el divisor siempre entrará en el dividendo.

C es falso porque cambiar el orden dará lugar a respuestas diferentes.

D es falso porque la propiedad asociativa no se aplica a la división.

E es falso porque no es "solo suficiente", aún necesita asegurarse de que el dividendo sea un número entero y el divisor sea un factor del dividendo.</span>
5 0
4 years ago
Can someone solve this please
Elanso [62]
Question 47= 33 ounces
Question 48= 98 Fahrenheit
Question 49= 127 millimeters
Last question= 2 inches
7 0
3 years ago
Which graph represents the function f(x) = x1 - 22​
ANEK [815]
I think you selected the right graph in the picture, I wouldn’t all the way take my word because I’m still learning this stuff in school but I’m pretty sure you already picked the right answer
8 0
4 years ago
Match the pairs of values of f(x) and g(x) with the corresponding values of h(x) if h(x) = f(x) ÷ g(x). Tiles f(x) = x2 − 9, and
vitfil [10]
For this case we must solve each of the functions.
 We have then:

 f (x) = x2 - 9, and g (x) = x - 3
 h (x) = (x2 - 9) / (x - 3)
 h (x) = ((x-3) (x + 3)) / (x - 3)
 h (x) = x + 3

 
f (x) = x2 - 4x + 3, and g (x) = x - 3
 
h (x) = (x2 - 4x + 3) / (x - 3)
 h (x) = ((x-3) (x-1)) / (x - 3)
 h (x) = x-1

 f (x) = x2 + 4x - 5, and g (x) = x - 1
 h (x) = (x2 + 4x - 5) / (x - 1)
 h (x) = ((x + 5) (x-1)) / (x - 1)
 h (x) = x + 5

 f (x) = x2 - 16, and g (x) = x - 4
 h (x) = (x2 - 16) / (x - 4)
 h (x) = ((x-4) (x + 4)) / (x - 4)
 h (x) = x + 4
4 0
3 years ago
Read 2 more answers
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