3 years ago

What is an equivalent expression to 48x - 30?

Mathematics

1 answer:

mars1129 [50]3 years ago

3 0

An equivalent expression would be 6(8x - 5)

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Solving multi step equations 5/6k + 2/3 = 4/3

Tpy6a [65]

Answer:

k = 4/5

Step-by-step explanation:

First, rewrite 5/6k as (5/6)k; this is "five sixths of the variable k."

Next, identify the LCD. It is 6. Then the given equation becomes

5k + 4 = 8

Consolidate the constant terms:

5k = 4

Solve for k: k = 4/5

5 0

3 years ago

Solve the following quadratic equation. (x+12)^2=1 A. x = 11 and x = 13 B. x = -11 and x = -13 C. x = -11 and x = 13 D. x = 11 a

sveticcg [70]

Answer:

Step-by-step explanation:

(x+12)^2=1

(x+12)= +or - 1

when

x+12=1

x=1-12 =-11

when

x+12=-1

x=-1-12 =-13

then

x=-11 and x= -13

7 0

3 years ago

Choose Yes or No to tell whether the expressions are equivalent. 4(5c + 3) and 9c + 7 No 10f... 10 and 2(84 - 5) No 12g + 21 and

labwork [276]

6(4j - 6)

Distributing,

6(4j) - 6(6)

24j - 36

which is not equivalent to 24 - 36j

3 0

1 year ago

At a store, Susan selected a pumpkin that weighed 35.2 ounces. • Pumpkins cost $1.80 per pound. • There are 16 ounces in 1 pound

klemol [59]

Answer:

First you have to find out the number of ounces in a pound. Then, multiply that number by the price per pound

Step-by-step explanation:

4 0

3 years ago

The right triangle above has height h centimeters and hypotenuse t centimeters. What is the area, in square centimeters, of the

White raven [17]

Answer:

$A = \frac{h\sqrt{t^{2} - h^{2}}}{2}$

Step-by-step explanation:

Right triangle:

height h, width w, hypotenuse h

Area is: $A = \frac{h*w}{2}$

Pytagoras theorem: $h^{2} + w^{2} = t^{2}$

In this question:

To find the area, in terms of h and t, we have to write w as a function of h and t. So

$h^{2} + w^{2} = t^{2}$

$w^{2} = t^{2} - h^{2}$

$w = \sqrt{t^{2} - h^{2}}$

So the area is:

$A = \frac{h*w}{2}$

$A = \frac{h\sqrt{t^{2} - h^{2}}}{2}$

8 0

3 years ago