3 years ago

I need help with geometry

Mathematics

2 answers:

RoseWind [281]3 years ago

8 0

The answer is d i think

inessss [21]3 years ago

4 0

29 SJSU’s asks ask sis she is is is is sis sis sis sis sis sis sis so

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Please show me the steps of to do this <br> DON"T GIVE ME THE ANSWER<br> ASAP

kherson [118]

Answer:

Step-by-step explanation:

The number $a . 10^{-2}$ is 8 times greater than $b . 10^{-3}$

thus, $a . 10^{-2} = 8b. 10^{-3}$

multiply both sides by $10^{2}$

we get $a = 8b. 10^{-1} \\a = 0.8 b$

if we take a = 2.5 and b = 3.1 we get 2.5/3.1 = 0.8

then B is the answer

8 0

3 years ago

Read 2 more answers

(5a-2)(5a+2)-3(1-a)-3a=

attashe74 [19]

So first we need to know the order of operations
P - Parenthesis
E - Exponents
M - Multiplication
D - Division
A - Addition
S - Subtraction

Then the special cases:
(I have attached a picture below)

Lets get into action!
(5a - 2)(5a + 2) - 3( 1 - a ) - 3a
25a² - 4 - 3 + 3a - 3a
25a² - 7
25a² - 7 is the answer