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deff fn [24]
3 years ago
7

If a polynomial has one root in the form a-root b it has a second root in the form of a __ root b

Mathematics
1 answer:
Zepler [3.9K]3 years ago
5 0
Minus
The quadratic equation is
( -b+-SQRT(b^2 - 4ac) )/2a
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Use the law of cosines to find the value of cos theta. round your answer to two decimal places
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<u>Answer:</u>

The correct answer option is B. 0.21.

<u>Step-by-step explanation:</u>

We are to find the value of cos \theta using the law of cosines.

We know that the formula of the cosine rule is given by:

c ^ 2 = a ^ 2 + b ^ 2 - 2 a b cos C

So substituting the given values in the above formula:

10.9 ^ 2 = 5.8 ^ 2 + 10.5 ^ 2 - 2 (5.8) (10.5) cos C

118.81=33.64+110.25-121.8cosC

118.81 - (33.64+110.25) = -121.8cosC

118.81-143.86=-121.8cosC

cosC=\frac{-25.05}{-121.8}

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2 years ago
Shelly bought 7 boxes of fish food and 2 packets of cat food. Each box of fish food contained 6 pouches, and each packet of cat
AfilCa [17]

<u>Answer:</u><u> </u><u>3</u><u>4</u><u> </u><u>m</u><u>o</u><u>r</u><u>e</u><u> </u><u>p</u><u>o</u><u>u</u><u>c</u><u>h</u><u>e</u><u>s</u>

7 boxes - fish food; 1 box contained 6 pouches

Total amount of fish food is 7 × 6 = 42 pouches of fish food

2 packets - cat food; 1 packet contained 4 pouches

Total amount of cat food is 2 × 4 = 8 pouches

How many more pouches of fish food than cat food did Shelly buy?

42 pouches - 8 pouches = 34 pouches

Therefore there was 34 more pouches of fish food than cat food

7 0
3 years ago
Miss Garner has 69 gold stickers. She wants to give the same number of stickers to each of her 15 students. If she gives away as
Hatshy [7]

Answer: 69/15=4 and remainder 9

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3 years ago
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In the given picture, y/x =4 and z/x =3. Find x.
anygoal [31]

Answer:

Step-by-step explanation:

x=22.5 degrees

3 0
3 years ago
What is the answer please help no links no links please help
schepotkina [342]
180cm. The square is 6 x 6 = 36 and the triangles = 12 x 6 = 72 and then divide it by 2 = 36 multiply that by 5 and you get 180cm
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3 years ago
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