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Natali5045456 [20]

3 years ago

10

Sara is multiplying two factors, one is a whole number and one has two decimal places She says the product could have one decima

l place is she correct? Give an example your reasoning

1 answer:

Likurg_2 [28]3 years ago

5 0

Answer: i don't understand

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If (x/100-1)(x/100+1)=kx^2-1 k=

Artist 52 [7]

(x/100-1)(x/100+1)=kx^2-1
(x/100-1)(x/100+1)=(x/100)^2 - 1^2 because it's a difference of squares ( (a-b)(a+b) = a^2-ab+ab-b^2 = a^2 - b^2):
(x/100)^2 - 1^2=kx^2 - 1
(x/100)^2 - 1=kx^2 - 1
(x/100)^2=kx^2
(x^2)/(100^2)=kx^2
1/(100^2)=k
1/10000=k
k=0.0001

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3 years ago

Rita teaches environmental biology. She has 2 forms of a midterm exam, and she wonders if either form is

3241004551 [841]

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A randomized block design where the 444 sections are the blocks

7 0

2 years ago

What is it 7 points on the board for u plz answer CORRECTTT

pochemuha

Answer:

x is 30

Step-by-step explanation:

1/2 ( x + 6 ) = 18

1/2x + 3 = 18

- 3 - 3

1/2x = 15

· 2 · 2

x = 30

5 0

3 years ago

Given the graph of a function, you can perform the horizontal line test to determine whether the inverse is also a function .

ipn [44]

Answer: True (APEX)

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6 0

3 years ago

Give answer plzzz fast.....

Katen [24]

Answer:

5. A. x = 4°

B. x = 100°

6. A. y = 37° , x = 74° , z = 25°

B. x = 30° , z = 150° , y = 15°

7. A and B . line l || m

Step-by-step explanation:

explanation in attachment .

6 0

2 years ago