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svetlana [45]
2 years ago
9

Solve it please! -2f - 7(-8f + 3)

Mathematics
2 answers:
amid [387]2 years ago
8 0
I’m pretty sure that should be 54f-21
valentina_108 [34]2 years ago
7 0

Answer:

3(18f−7)  (factored)

54f−21  (simplified)

hope this helped :D

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PLEASE HELP ME 100!!! POINTS A conjecture and the flowchart proof used to prove the conjecture are shown.
boyakko [2]

Answer:

Add the two angles: 43° + 47° = 90°.

Step-by-step explanation:

A right triangle has an angle that equals 90°. Complementary angles equal 90°. Therefore, if you add these two angles, you will know whether or not △ABC is a right triangle. Triangle △ABC is broken up into two angles, m∠ABD and m∠DBC. When the measures m∠ABD and m∠DBC are added together, they equal 90°, and thus, form a complementary angle.

Hope this helps,

♥<em>A.W.E.</em><u><em>S.W.A.N.</em></u>♥

4 0
3 years ago
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Please explain this answer ☹️
GuDViN [60]

Answer:

see explanation

Step-by-step explanation:

Note that cos315° = cos45° and sin315° = - sin45° and

cos45° = sin45° = \frac{1}{\sqrt{2} } = \frac{\sqrt{2} }{2}

Hence

12(cos315° + isin315°)

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= 12(\frac{\sqrt{2} }{2} - i \frac{\sqrt{2} }{2})

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7 0
3 years ago
$1.5 x 10^13 in decimal
inna [77]
The answer is 15,000,000,000,000
8 0
3 years ago
According to the manufacturer of the candy Skittles, 20% of the candy produced are red. If we take a random sample of 100 bags o
igomit [66]

Answer:

Probability that the proportion in our sample of red candies will be less than 20% is 0.5 .

Step-by-step explanation:

We are given that 20% of the candy produced are red. A random sample of 100 bags of Skittles is taken.

The distribution we can use here is;

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where, p = 0.20 and n = 100

Let \hat p = proportion of red candies in our sample

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Therefore, probability that the proportion in our sample of red candies will be less than 20% is 0.5 .

5 0
3 years ago
3.7 times .26 equal=
Sveta_85 [38]

Answer:

.96

Step-by-step explanation:

7 0
3 years ago
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