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Alik [6]
3 years ago
9

Please help as soon as possible :’)

Mathematics
1 answer:
ollegr [7]3 years ago
7 0

Answer:

a. your classmate is correct

b. \frac{1}{a^{(y-x)}}=\frac{1}{\frac{a^{y}}{a^{x}}}=\frac{a^{x}}{a^{y}}

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Jocelyn estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Jocelyn’s
laiz [17]

Answer:

A

Step-by-step explanation:

|((experimental - theoretical) / theoretical)| x 100

5.5 - 5.62 / 5.62 = -.0213

|-.0213| = .0213

.0213 x 100 = 2.13


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3 years ago
Solve for x (2x-8) (9x-10)
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Step-by-step explanation:

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5 0
4 years ago
Sorry Guys, Angle 12 &amp; 10 are effectively corresponding angles, but angle 10 &amp; 7 are alternate interior angles. Anyways,
Irina-Kira [14]

Answer:

d

Step-by-step explanation:Angle 12 & 10 are effectively corresponding angles, but angle 10 & 7 are alternate interior angles. Anyways, Angle 12 & 10 are congruent and 10 & 7 are congruent. At the end, the three angles 12, 10, and 7 have the same measure. If we put it otherwise, the line B is intersecting line D which form right angles equals to 90 degrees, so angle 12 = 90, and the same happens with angle 10 and 7, so the three angles are congruent, but at the same time, angle 7 is supplementary with angle 12 because their sum is equal to 180, (90 + 90 = 180). If you think from different angles is hard to choose the right answer, so what I guess is that we don't need to take into account the angle 10, just the fact that line A intersect line C, and Line B intersect line D forming right angles, and that angle 7 and 12 are right angles which sum equals 180, therefore, we could say that they are supplementary angles, but also congruent because they measure the same, so at the end,

7 0
3 years ago
B) 8xy +4y² factorise
m_a_m_a [10]

Answer:

The answer is: 4y(2x+y)

Step-by-step explanation:

8 0
1 year ago
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