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shusha [124]
3 years ago
9

Pleasse help me, and exsplain

Mathematics
2 answers:
Finger [1]3 years ago
6 0
I need points lol sorry
Vlad1618 [11]3 years ago
3 0

Answer:

search khan academy and theres video about it, for some reason brainly wont let me put answers and the explanation.

Step-by-step explanation:

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Which table of values includes solutions to the function f(x) = -2x^2?
olga_2 [115]
The table could include values like this:
x     y
-2   -8
-1   -2
0    0
1    -2
2    -8
3 0
4 years ago
What is the exact amount of water our body contains?​
mr Goodwill [35]

Answer:

Up to 60% of the human adult body is water.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the solution to this inequality x-7<1
Nina [5.8K]
X−7<1

Add 7 to both sides.

x−7+7<1+7

x<8

To plot this on a number line, put a circle around 8 and a line going to the left with an arrow at the end.
8 0
4 years ago
Read 2 more answers
Marjorie and Blaine make chairs together. Marjorie builds the seat and Blaine independently sews the cushions to rest on top of
Andrew [12]

Making 10 chairs would take Marjorie and Blaine<u> </u><u>21 hours and 40 minutes</u>.

<h3>How long does it take to make 10 chairs?</h3>

The total time it takes Marjorie and Blaine to perform their respective tasks in building a chair is multiplied by 10 chairs, respectively.  This time is known as their speed.

The resulting figures are summed to get the total time.

<h3>Data and Calculations:</h3>

The total time it takes Marjorie to build a chair is 15 hours (1.5 hours x 10)

The total time it takes Baline to sew cushions per chair is 400 minutes (40 x 10) or 6 hours and 40 minutes.

Therefore, the total time to build 10 chairs is 21 hours, 40 minutes (15 hours + 6 hours and 40 minutes).

Thus, making 10 chairs would take Marjorie and Blaine <u>21 hours and 40 minutes</u>.

Learn more about the time consumed at brainly.com/question/17146782

#SPJ1

8 0
2 years ago
Can someone answer fast.plsss
Anika [276]

Answer:

a

Step-by-step explanation:

sec (thita) = squrt (5)

squaring on both sides:

sec^2 (thita) = 5 - equation 1

1 + tan^2 (thita) = 5

tan^2 (thita) = 4

tan (thita) = 2.

= tan (thita) - squrt(5)sin(thita)

= 2 - squrt(5) x 2/ squrt(5)

= 0

from eqn - 1

sec(thita) = squrt(5)

cos(thita) = 1/ squrt(5)

sin(thita) = squrt ( 1- 1/(squrt (5))^2)

sin(thita) = 2/ squrt(5) .

4 0
3 years ago
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