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DIA [1.3K]
3 years ago
12

2) Which choice best represents the length of a toothbrush? A. 18 kilometers

Mathematics
2 answers:
HACTEHA [7]3 years ago
6 0
It would be 18 centimeters
Svet_ta [14]3 years ago
3 0

Answer:

B 18 centimeters

Step-by-step explanation:

18 cm represents the length of the toothbrush.

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When solving for x, what is x squared plus 15 equals -8x
VLD [36.1K]

Answer:

x = - 5, x = - 3

Step-by-step explanation:

Given

x² + 15 = - 8x ( add 8x to both sides )

x² + 8x + 15 = 0 ← in standard form

Consider the factors of the constant term (+ 15) which sum to give the coefficient of the x- term (+ 8)

The factors are 5 and 3, since

5 × 3 = 15 and 5 + 3= 8, thus

(x + 5)(x + 3) = 0 ← in factored form

Equate each factor to zero and solve for x

x + 5 = 0 ⇒ x = - 5

x + 3 = 0 ⇒ x = - 3

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Which of the following things about line graph is true
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Suppose that two cards are randomly selected from a standard 52-card deck. (a) What is the probability that the first card is a
Roman55 [17]

Answer:

a.\frac{1}{17}

b.\frac{1}{16}

Step-by-step explanation:

We are given that two cards are drawn are randomly selected from a standard 52- cards deck.

Total cards=52

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Probability=\frac{number\;of\;favourable\;cases}{total\;number\;of cases}

a.The probability of drawing two cards first card is spade and second card is spade without replacement =\frac{13}{52}\times \frac{12}{51}

The probability of drawing two cards first card is spade and second card is spade=\frac{1}{17}

b. The probability of drawing two cards first is spade and second card is a spade with replacement =\frac{13}{52}\times\frac{13}{52}

The probability of drawing two cards first is spade and second card is a spade with replacement =\frac{1}{16}

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3 years ago
A group of 2 friends each recived 6/12of a pound of candy how much candydid they recived total ​
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Answer:

They both got 1 candy

Step-by-step explanation:

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