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3 years ago

What is g(–3) in the function g(x) = 4x2 + 3?

Mathematics

1 answer:

EastWind [94]3 years ago

4 0

Answer:

x is equal to -3. So it would be g(-3)=4(-3)+3 and the solve that.

Step-by-step explanation:

Hope this is helpful

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A train moving at a speed of 75 km/hr covers a certain distance in 4.8 hours.

kakasveta [241]

Answer:

Step-by-step explanation:

Distance=Speed×Time

75×4.8=360

Speed=distance÷time

360÷3=120km/h

6 0

3 years ago

Please help no idea how to start it <br> The radius is 2.5 m

Talja [164]

$2.5 \div 2 = 1.25$
so 1.25 is the right answer not sure tho

6 0

3 years ago

What are the coordinates of the point LaTeX: \frac{3}{4}\:3 4of the way from A to B? coordinate plane with line segment AB. Poin

egoroff_w [7]

Answer: $\left(\dfrac{-7}{2},\dfrac{5}{4}\right)$ .

Step-by-step explanation:

It is given that Point A is at (-5, -4) and point B at (-3, 3).

We need to find the coordinates of the point which is 3/4 of the way from A to B.

Let the required point be P.

$AP:AB=3:4$

$AP:PB=AP:(AB-AP)=3:(4-1)=3:1$

It means, point P divides segment AB in 3:1.

Section formula: If a point divides a line segment in m:n, then

$\left(\dfrac{mx_2+nx_1}{m+n},\dfrac{my_2+ny_1}{m+n}\right)$

Using section formula, we get

$P=\left(\dfrac{3(-3)+1(-5)}{3+1},\dfrac{3(3)+1(-4)}{3+1}\right)$

$P=\left(\dfrac{-9-5}{4},\dfrac{9-4}{4}\right)$

$P=\left(\dfrac{-14}{4},\dfrac{5}{4}\right)$

$P=\left(\dfrac{-7}{2},\dfrac{5}{4}\right)$

Therefore, the required point is $\left(\dfrac{-7}{2},\dfrac{5}{4}\right)$ .

6 0

3 years ago

Help plz who ever helps they are nice

slava [35]

Im mean I’d be down to help

4 0

2 years ago

Read 2 more answers

The diameter of a circle is 16 in . Find its circumference in terms of pi?

77julia77 [94]

Answer:

Circumference of circle = πd = π × 16 =16 π in.

circumference of circle = 2πr = 2×π×8= 16 π in.

5 0

2 years ago