3 years ago

(a) Simplify 3a + 7b - a + 4b

Mathematics

1 answer:

scZoUnD [109]3 years ago

4 0

Answer:

2a+11b

Step-by-step explanation:

Need like terms!

3a-a

=2a

7b+4b

=11b

You might be interested in

Two stores sell the same computer for the same original price. Store A advertises that the computer is on sale for 25% off the o

arlik [135]

N= P-180. so the computer would originally be 720 dollars. reduced by 25%, or 180, the new price is 540.

5 0

4 years ago

Read 2 more answers

4 ÷ 5 can be written as a fraction represented by which of the following?

den301095 [7]

4/5 or 4 over 5 I believe is the correct answer. I am not sure if your multiple choice answers posted.

8 0

3 years ago

Read 2 more answers

Evaluate each expression.<br> (-4 - 3) ÷ (-8 + 2 - 8 + 7)

anzhelika [568]

Answer:

(-4 - 3) ÷ (-8 + 2 - 8 + 7) = 1

Step-by-step explanation:

(-4 - 3) ÷ (-8 + 2 - 8 + 7)

= -7 ÷ -7

= 1

3 0

3 years ago

Suppose that 24 inches of wire costs 72 cents. At the same rate, how much (in cents) will 38 inches of wire cost?

Y_Kistochka [10]

Answer:

114

Step-by-step explanation:

if,

24inches=72cents

38inches=?

we cross multiplication,

38times72=2736 divide with 24=114

The answer is114

8 0

4 years ago

Read 2 more answers

Complete the steps in order to write the inverse of f(x) = x + 5

rusak2 [61]

Answer:

see the procedure

Step-by-step explanation:

we have

$f(x)=x+5$

step 1

Let

y=f(x)

$y=x+5$

step 2

Exchange the variables

x for y and y for x

$x=y+5$

step 3

Isolate the variable y

$y=x-5$

step 4

Let

$f^{-1}(x)=y$

$f^{-1}(x)=x-5$

6 0

3 years ago