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3 years ago

-V + 5 + 6V = 1 + 5v + 3

Mathematics

1 answer:

quester [9]3 years ago

7 0

Answer:

Step-by-step explanation:

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How do you expand brackets

Olenka [21]

Answer:

multiply each term in the bracket by the expression outside the bracket

Step-by-step explanation:

7 0

3 years ago

For the following exercises, determine whether the functions are even, odd, or neither.

stealth61 [152]

Answer:

The solutions of the equation |2 x-3|=17

are x=10

and x=-7

Step-by-step explanation:

Given equations is |2 x-3|=17.

It is required to find out the values of x satisfying the given equation.

To find it out, use the fact that the solution of this type of equation is 2x-3=17.

Or 2x-3=-17 and simplify the equations using simple mathematical operations.

Step 1 of 2

Solve the equation 2x-3=17,

Add 3 on both sides of the equation 2x-3=17,

2x-3+3=17+3

2x=20

Divide by 2 on both sides of the equation 2x=20,

$\begin{aligned}&\frac{2 x}{2}=\frac{20}{2} \\&x=10\end{aligned}$

Step 2 of 2

Solve the equation 2x-3=-17,

Add 3 on both sides of the equation 2x-3=-17,

$2 x-3+3=-17+3$\\ $2 x=-14$

Divide by 2 on both sides of the equation 2x=-14,

$\begin{aligned}&\frac{2 x}{2}=\frac{-14}{2} \\&x=-7\end{aligned}$

6 0

2 years ago

PLEASE HELP. Which is the best interpretation of the solution set for the compound inequality? 3/2x-1<2x + 4 or 3(2/3x + 1) &

Fudgin [204]

(3/2)x-1<2x+4
3x-2<4x+8
-2<x+8
-10<x
x>-10

3((2/3)x + 1) < 11
(3*2/3)x+1*3<11
2x +3<11
2x<8
x<4

so the compound equality is the set of all numbers which are >-10 or <4, which are D) all real numbers

5 0

4 years ago

Using ƒ(x) = 2x + 7 and g(x) = x − 3, find ƒ(g(-2)).

Eva8 [605]

Answer:

We conclude that:

f(g(-2)) = -3

Step-by-step explanation:

Given

f(x) = 2x + 7

g(x) = x-3

To determine

f(g(-2)) = ?

In order to determine f(g(-2)), first we need to determine g(-2)

so substituting x = -2 in g(x) = x-3

g(-2) = -2 - 3

= -5

Thus,

f(g(-2)) = f(-5)

now substitute x = -5 in the function f(x) = 2x+7

f(x) = 2x+7

f(-5) = 2(-5) + 7

f(-5) = -10 + 7

f(-5) = -3

f(g(-2)) = f(-5) = -3

Therefore, we conclude that:

f(g(-2)) = -3

4 0

3 years ago

2 sandwiches and 1 drink is $7.50. 5 sandwiches and 2 drinks is $18.00. How much is each sandwich? Solve it for me, id appreciat

Dafna1 [17]

Let sandwiches =x and drink =y.
2x+1y=7.50
5x+2y=18

Then solve simultaneously.
Sandwiches, x= 3
Drink, y= 1.5

3 0

3 years ago