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kicyunya [14]
2 years ago
10

Half of a number when added to 42 becomes 50. What is the original number?

Mathematics
2 answers:
aev [14]2 years ago
3 0

Answer:

16

Step-by-step explanation:

50-42=8

8 times 2 is 16

Anna71 [15]2 years ago
3 0

Answer:

16

Step-by-step explanation:

42+8=50 then you double that number and 8x2 is 16 therefore the number must be 16

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Please Help ASAP!!!<br> 25 POINTS !!
alina1380 [7]

Answer:

43

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
If r+s/r =3 and t+r/t =5, what is the value of s/t ?
professor190 [17]

Answer:15

Step-by-step explanation:1) 1/2

2) 3/5

3)4

D) 8

5) 16

plz branliest

3 0
3 years ago
Slope of the line that passes through points (-3,4) and (5,-1)
Veronika [31]
When hav epoins (x1,y1) and (x2,y2)
slope is  (y2-y1)/(x2-x1)

(-3,4) and (5,-1)
slope=(-1-4)/(5-(-3))=-5/(5+3)=-5/8

slope=-5/8
6 0
3 years ago
1) f(x) = 2x + 4, g(x) = 4x2 + 1; Find (g ∘ f)(0).
Sholpan [36]

Answer:

<h2>(g \: \circ \: f)(0) = 17</h2>

Step-by-step explanation:

f(x) = 2x + 4

g(x) = 4x² + 1

In order to find (g ∘ f)(0) we must first find

(g ° f )(x)

To find (g ° f )(x) substitute f(x) into g(x) that's for every x in g(x) replace it with f(x)

That's

<h3>(g \: \circ \: f)(x) = 4( ({2x + 4})^{2} ) + 1 \\  = 4(4 {x}^{2}  + 16x + 16) + 1 \\  =  {16x}^{2}  + 64x + 16 + 1</h3>

We have

<h3>(g \: \circ \: f)(x) =  {16x}^{2}  + 64x + 17 \\</h3>

Now to find (g ∘ f)(0) substitute the value of x that's 0 into (g ∘ f)(0)

We have

<h3>(g \: \circ \: f)(0) = 16( {0})^{2}  + 64(0) + 17 \\</h3>

We have the final answer as

<h3>(g \: \circ \: f)(0) = 17</h3>

Hope this helps you

8 0
3 years ago
Which of these points lies on the circle with center (2 3) and radius 2
Grace [21]

Answer:

(x-2)^2 + (y-3)^2 = 4

Step-by-step explanation:

Use the equation (x-h)^2 + (y-k)^2 = r^2 where the center of the circle is (h,k) and the radius is r.

4 0
2 years ago
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