3 years ago

True or false ? why and why not ? 7a + 4 - 2a is equivalent to 7a + -2a + 4

Mathematics

1 answer:

Oxana [17]3 years ago

6 0

True because it’s a diamond Rottweiler

You might be interested in

Which expression is equal to 5^4 x 5^8 ? A: 5^12 B: 5^4 C: 5^2 D: 5^−4

galben [10]

Something to remember is how to multiply terms with same bases, but different exponents:

$a^b \cdot a^c = a^{(b+c)}$

Essentially, we add the exponents.

Using the information above, we can find our answer:

$5^4 \cdot 5^8 = 5^{(4+8)} = \boxed{5^{12}}$

Our answer is $\boxed{5^{12}}$ , or A.

6 0

3 years ago

Read 2 more answers

Charlotte works at an electronics store as a salesperson. Charlotte earns a 10% commission on the total dollar amount of all pho

Ymorist [56]

Answer:

I think it's 0.648

Step-by-step explanation:

10% of 4% of 162 = 0.648

5 0

3 years ago

Jada has 126 blue marbles and 135 yellow marbles. She packages them in bags of 8 marbles each. She divides the total number of m

FrozenT [24]

Answer:

Jada has 5 marbles left after filling 32 bags.

Step-by-step explanation:

Jada has 126 blue marbles and 135 yellow marbles

Total Marbles=126+135=261

She divides by 8: 261/8= $32\frac{5}{8}$ i.e. 32 Remainder 5 marbles.

The correct interpretation is Jada has 5 marbles left after filling 32 bags.

3 0

3 years ago

Becky has 8 more marbles than Kim. Together they have 76 marbles. Find the number of marbles that Kim has

Wittaler [7]

Answer:

Step-by-step explanation:

- 8

_______

4 0

3 years ago

Factor out the minus sign - 1+30

True [87]

Answer:

Your answer will be 29

Step-by-step explanation:

Add -1 and 30

6 0

3 years ago

Read 2 more answers