2 years ago

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

Mathematics

1 answer:

Oxana [17]2 years ago

6 0

True because it’s a diamond Rottweiler

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On Monday it rained two and one-half inches. On Tuesday it rained three and three-fourths inches. How much did it rain in the tw

Rufina [12.5K]

2 1/2 + 3 3/4

get a common denominator ofr 4

2 1/2 *2/2 + 3 3/4

2 2/4 + 3 3/4

5 5/4

5 + 1 1/4

6 1/4 inches

Answer 6 1/4 in ches

8 0

2 years ago

Which choices are equivalent to the expression below? Check all that apply.<br>3√6

Ulleksa [173]

Answer:

$\sqrt 54$

$\sqrt 9.\sqrt 6$

$\sqrt {27}.\sqrt 2$

Step-by-step explanation:

$3 \sqrt{6} = \sqrt{ {3}^{2} \times 6 } = \sqrt{9 \times 6} = \sqrt{54} \\$

Also,

$\sqrt 9.\sqrt 6$

$\sqrt {27}.\sqrt 2$

6 0

2 years ago

Read 2 more answers

A circular walking path has a diameter of 45 yards. What is the distance around the walking path

nadezda [96]

141.3 is the answer
hope it helps you
45×3.14(pie)=141.3

3 0

2 years ago

MANY POINTS

Andru [333]

Answer:

use this it'll help with more questions like this

https://mathforyou.net/en/online/calculus/domain/

Step-by-step explanation:

just copy and paste these, then it'll give u theanswer on a number line on a graph and in standard form

3 0

2 years ago

10. 14. A new DVD player has a purchase price of $430. With the extended warranty, the total cost is

sergejj [24]

Subtract 430 and 512 and turn into a percent
82%
Than 430+512is942
Divide by 82%is11.487804
Skip a few times until u reach 11.48
Add 4+8 and then dvd:1 dvd to buy
So 4+8is12 plus 11 is 23 and one dvd it’s 24
So the answe is 24%

5 0

2 years ago