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zhenek [66]
3 years ago
6

Brianna is 2 years less than 4 times the age of Zack. If Zack's age in years is y, which expression represents Brianna's age?

Mathematics
2 answers:
alukav5142 [94]3 years ago
8 0
The answer is C. 4y —2
lidiya [134]3 years ago
5 0
I think its c).4y-2
i think its that answer bc it says she is 2 years less than 4 times the age of zack
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Find the equation of the axis of symmetry and the coordinates of vertex of the functions =2x^2+4x-3
SVEN [57.7K]
Hello,

Find the equation of the axis of symmetry is like find the maximum or minimum point of this function.

f(x)=2x^2+4x-3\\\\\alpha=-\dfrac{b}{2a}=-\dfrac{4}{4}=-1\\\\

The equation of the axis of symmetry is then :   x=-1

\beta=f(\alpha)=2(-1)^2+4(-1)-3=2-4-3=-5

Coordinates of vertex :   (\alpha,\beta)=(-1;-5)
8 0
3 years ago
Two angles are supplementary angles if the sum of their measures is​ 180°. find two supplementary angles such that the measure o
charle [14.2K]
Let the measure of the second angle be x.
The first angle has measure 3x - 34.
The sum of the measures is 180.

x + 3x - 34 = 180

4x - 34 = 180

4x = 214

x = 53.5

The second angle has measure 53.5 deg.

3x - 34 = 3 * 53.5 - 34 = 160.5 - 34 = 126.5

The measure of the first angle is 126.5 deg.

Answer: The measures are 126.5 deg and 53.5 deg.
7 0
3 years ago
A container holds 44 cups of water. how much is this in gallons
Zepler [3.9K]

Answer:

44 cups = 27.5 gallons

Step-by-step explanation:

Using the conversion:

  • 1 cup = 0.625 gallons

We can find what is 44 cups in gallons.

=> 1 cup = 0.625 gallons

=> 44 x 1 = 0.625 x 44

=> 44 cups = 0.625 x 44 gallons

=> 44 cups = 27.5 gallons

Therefore, 44 cups = 27.5 gallons.

Hoped this helped.

7 0
2 years ago
If H is in the interior of ∠EFG, m∠EFH = 75°, and m∠HFG = (10x)°, and m∠EFG = (20x − 5)°, then x = ? and m∠HFG = ?
Diano4ka-milaya [45]

Answer:

x=8

\m\angle HFG= 80^\circ

Step-by-step explanation:

Given that:

Point H is interior of \angle EFG.

m\angle EFH = 75^\circ\\m\angle HFG = (10x)^\circ\\m\angle EFG = (20x-5)^\circ

To find:

x = ?\\m\angle HFG = ?

Solution:

First of all, let us represent the given values in the form of a diagram.

Kindly refer to the attached image for the given points and values of angles.

We can clearly see that:

m\angle EFG = m\angle EFH + m\angle HFG

Putting all the values given in above equation, we get:

(20x-5)^\circ = 75^\circ + 10x^\circ\\\Rightarrow 20x-10x=75+5\\\Rightarrow 10x =80\\\Rightarrow \bold{x =8}

m\angle HFG =10x^\circ\\\Rightarrow m\angle HFG =10\times 8^\circ\\\Rightarrow m\angle HFG = \bold{80^\circ}

8 0
3 years ago
1.) The function g is related to one of the parent functions
Hunter-Best [27]

Answer:

g is terms of f is given by: g(x) = f(x) + 6

Step-by-step explanation:

We are given these following function:

g(x) = x^2 + 6

And

f(x) = x^2

Use function notation to write g in terms of f.​

We can see that function g(x) is f(x) added by 6. So

g(x) = f(x) + 6

g is terms of f is given by: g(x) = f(x) + 6

8 0
3 years ago
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