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3 years ago

Evaluate ab + c for a = 2, b=3, and c = 4.09o10O 27

Mathematics

2 answers:

sergeinik [125]3 years ago

8 0

Answer:

Step-by-step explanation:

(2)(3)+(4)=

6+4=10

Furkat [3]3 years ago

3 0

Answer:

The answet is 10

Step-by-step explanation:

ab + c

a = 2

b = 3

c = 4

(2)(3) + 4

= 6 + 4

= 10

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F(3)= 5x^2 - 4x + 9<br> evaluate this quadratic function

Neporo4naja [7]

Answer:

$f(3) = 38$

Step-by-step explanation:

Given the quadratic function

$f\left(x\right)=\:5x^2\:-\:4x\:+\:9$

Evaluating the quadratic function

$f\left(x\right)=\:5x^2\:-\:4x\:+\:9$

substitute x = 3

$f\left(3\right)=\:5\left(3\right)^2\:-\:4\left(4\right)\:+\:9$

$f(3) = 45-16+9$

$f(3) = 38$

Therefore,

$f(3) = 38$

6 0

3 years ago

The shadow cast by a lampshade has a boundary in the shape of a hyperbola defined by the equation StartFraction (y minus 3) squa

andrew11 [14]

Answer:

A THE LOCATION OF THE LIGHT BULB

I got this right on the assignment

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

A projectile is launched into the air. The function h(t) = –16t2 + 32t + 128 gives the height, h, in feet, of the projectile t s

Zinaida [17]

Answer:

t = 4 seconds

Step-by-step explanation:

The height of the projectile after it is launched is given by the function :

$h(t)=-16t^2+32t+128$

t is time in seconds

We need to find after how many seconds will the projectile land back on the ground. When it land, h(t)=0

So,

$-16t^2+32t+128=0$

The above is a quadratic equation. It can be solved by the formula as follows :

$t=\dfrac{-b\pm \sqrt{b^2-4ac} }{2a}$

Here, a = -16, b = 32 and c = 128

$t=\dfrac{-32\pm \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}\\\\t=\dfrac{-32+ \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}, \dfrac{-32\- \sqrt{(32)^2-4\times (-16)(128)} }{2\times (-16)}\\\\t=-2\ s\ \text{and}\ 4\ s$

Neglecting negative value, the projectile will land after 4 seconds.

4 0

4 years ago

What are the steps she used ?

Serjik [45]

1. Add x on both sides of the equation.
2. Subtract 5 from both sides of the equation.
3. Divide both sides of the equation by 3.

If these aren’t options, tell me the options for each dropdown in the comments and I can help further.

Please consider marking this answer as Brainliest to help me advance.

6 0

3 years ago

Round 6.443 to the nearest hundredth.

Gnesinka [82]

6.44 hope this helps

6 0

3 years ago

Read 2 more answers

Evaluate ab + c for a = 2, b=3, and c = 4.09o10O 27​

Evaluate ab + c for a = 2, b=3, and c = 4.09o10O 27