3 years ago

How many terms are in the expansion (a+b)19

Mathematics

1 answer:

astra-53 [7]3 years ago

8 0

Answer:

There are 2 ters because you would distribute the 19 to the a and the b to make it 19a + 19b, which has 2 terms

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How much larger is 0.30 than 0.3

Xelga [282]

They are both equal because in decimals you can add thousands of zeros and it's still equal.

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3 years ago

Help pls! simplify -6 x^{2} ÷ 12 - 2(-7) a. -17 b. 35 c. -35 d. 11

Mariana [72]

Answer:

Step-by-step explanation:

Given: $\frac{-6^{2}}{12} -2(-7)$

Using PEDMAS rule to solve it.

Now, simplifying:

We first open parenthesis which is (-7) = -7

= $\frac{-6^2}{12}-2\times -7$

Now, we evaluate the exponent which is $-6^2=-36$

Next, we divide -36 by 12 to get -3

= $\frac{-36}{12}-2\times -7 \\= -3 -2\times -7$

Next, we multiply -2 and -7 to get 14

= $-3 + 14$

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∴ Answer is 11

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3 years ago

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3 years ago

Jonah has a recipe that uses 1 1/2 cups of brown sugar and 2 1/3 cups of flour. Jonah wants to use all of his flour to make as m

S_A_V [24]

Answer:

4 1/2

Step-by-step explanation:

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3 years ago

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The roots of a quadratic equation are (1,0) and (-5,0). What is the axis of symmetry?

leva [86]

Answer:

Step-by-step explanation:

The axis of symmetry lies exactly halfway between the given x = 1 and x = -5.

The axis of symmetry is x = -2.

The 'halfway' value is also the 'average' of 1 and -5: -4/2, or -2.

The axis of symmetry is x = -2.

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3 years ago