All categories

2 years ago

3.4a=57.8 What is the value of a in this

Mathematics

1 answer:

lakkis [162]2 years ago

7 0

Answer:

a = 17

Step-by-step explanation:

3.4a=57.8

/3.4 /3.4 (Divide both sides by 3.4)

a = 17

You might be interested in

A teacher gave a test with 50 questions, each worth the same number of points. Donovan got 39 out of 50 questions right. Marci's

bearhunter [10]

Answer:

49 all you have to do is add 10 to 39

4 0

2 years ago

Read 2 more answers

Simplify to create an equivalent expression 6(7-3y)+6(y+1)

NeTakaya

Answer:

-12y+48

Step-by-step explanation:

6(7-3y)+6(y+1)

42-18y+6y+6

-12y+42+6

-12y+48

6 0

3 years ago

Read 2 more answers

A store sells mugs. Each mug costs the same amount. During a sale, the store reduces the price of each mug by $1.75. Wen spends

Ostrovityanka [42]

Answer:

$7.39

Step-by-step explanation:

Let the initial price be x

<u>Then the reduced price is </u>

x - 1.75

<u>If 5 mugs cost $28.20, we have equation:</u>

(x - 1.75)*5 = 28.20
x - 1.75 = 28.20/5
x - 1.75 = 5.64
x = 1.75 + 5.64
x = 7.39

Initial price for 1 mug was $7.39

4 0

3 years ago

Read 2 more answers

Please help! what is the measure of x?

Alexeev081 [22]

28°
Since KL and FG are perpendicular they create a 90° angle. 180-90-62=28

4 0

3 years ago

Given the quadratic equation <img src="https://tex.z-dn.net/?f=y%20%3D%202%28x%20-1%29%5E%7B2%7D%20%2B%208" id="TexFormula1" tit

Sunny_sXe [5.5K]

Answer:

Part 1) "a" value is $2$

Part 2) The vertex is the point $(1,8)$

Part 3) The equation of the axis of symmetry is $x=1$

Part 4) The vertex is a minimum

Part 5) The quadratic equation in standard form is $y=2x^{2}-4x+10$

Step-by-step explanation:

we know that

The equation of a vertical parabola into vertex form is equal to

$y=a(x-h)^{2}+k$

where

(h,k) is the vertex of the parabola

if a > 0 then the parabola open upward (vertex is a minimum)

if a < 0 then the parabola open downward (vertex is a maximum)

The equation of the axis of symmetry of a vertical parabola is equal to the x-coordinate of the vertex

$x=h$

In this problem we have

$y=2(x-1)^{2}+8$ -----> this is the equation in vertex form of a vertical parabola

The value of $a=2$

a>0 then the parabola open upward (vertex is a minimum)

The vertex is the point $(1,8)$

$(h,k)=(1,8)$

The equation of the axis of symmetry is $x=1$

The equation of a vertical parabola in standard form is equal to

$y=ax^{2}+bx+c$

Convert vertex form in standard form

$y=2(x-1)^{2}+8$

$y=2(x^{2}-2x+1)+8$

$y=2x^{2}-4x+2+8$

$y=2x^{2}-4x+10$

see the attached figure to better understand the problem

7 0

3 years ago