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zvonat [6]
2 years ago
9

Plz help will give brainlest

Mathematics
2 answers:
Sholpan [36]2 years ago
8 0

Answer:90

Step-by-step explanation: I did the formula 1/2 b x h

Zarrin [17]2 years ago
4 0

Answer:

90

Step-by-step explanation:

15x12=180

180/2=90

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Fittoniya [83]
We have the following expression:
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 Answer:
 
If (x, 0) lies on the graph of y = logbx, then:
 
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3 0
3 years ago
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Write the quadratic equation whose roots are -2 and 1, and whose leading coefficient is 4 .
Kaylis [27]

Answer: the equation is

4x^2 + 4x - 12

Step-by-step explanation:

A quadratic equation is an equation in which the highest power of the unknown is 2.

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ax^2 + bx + c

Where

a is the leading coefficient

c is a constant

Assuming we want to write the quadratic equation in x, from the information given, the roots which are given are -2 and 1 and the leading coefficient is 4.

Therefore, the linear factors of the quadratic equation will be (x+2) and (x-1)

the equation becomes

(x+2)(x-1)

= x^2 - x +2x - 3

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Given a leading coefficient of 4, we will multiply the quadratic expression by 4. It becomes

4(x^2 + x - 3)

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7 0
3 years ago
Compute the probability of drawing two spades from a deck of cards
melomori [17]

Answer:

The probability of drawing two spades is 3/51. Hope this helps!!

Step-by-step explanation:

6 0
3 years ago
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Lostsunrise [7]
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3 0
3 years ago
An arithmetic sequence has the terms a6=53 a 6 = 53 and a8=61 a 8 = 61 . Questions: What is the value of d d ? AnswerIncorrect W
leonid [27]

The given terms are two terms apart, so their difference is twice the difference of adjacent terms.

a_8-a_6=2d=61-53=8\\\\d=\dfrac{8}{2}=4

The value of d is 4.

3 0
3 years ago
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