2 years ago

Question: Find the range of values of x such that the quadratic function f(x) = 6 + 5x - x² does not Intersect the x-axis.

Mathematics

1 answer:

kap26 [50]2 years ago

6 0

Step-by-step explanation:

(x= -1)(x=6)

${x}^{1} = - 1. {x}^{2} = 6$

brainiest pls

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kaheart [24]

Answer:

a) GCF = 8

Step-by-step explanation:

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2 years ago

Caroline has 10 marbles. One half of them are blue. How many marbles are blue?

Viktor [21]

Answer: 5

One half of 10 is 10/2 or 1/2(10)
10/2 = 5
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2 years ago

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Bob bought a new book and paid $2.10 tax on the book. If the tax rate was 7 ½%, what was the cost of the book?

scoray [572]

$15.75
2 x 7.5 = 15
0.10 x 7.5 = 0.75
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2 years ago

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4x+20 3x<br> determine the value of x

nlexa [21]

Step-by-step explanation:

$4x + 20 = 3x \\ x = - 20$

<h2>-20 is the right answer.</h2>

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2 years ago

Alice and Bob are playing a game. Alice starts first. On Alice's turn, she flips a coin. If she gets a heads, she wins. If not,

trapecia [35]

Answer:

The probability that Alice wins the game= $\frac{1}{2}$

Step-by-step explanation:

We are given that Alice and Bob are playing a game .

We have to find the probability that Alice wins the game .

If Alice win when she gets head and lose when she gets tail.Bob wins when she gets tail and she lose when she gets head.

Total results in a coin=Head, tail=2

Number of head in a coin=1

Number of tail in a coin= 1

Probability is defined as the possibility of an event that occurred

$P(E)=\frac{Number\;of\;favourable\;cases}{total\;of\;cases}$

The probability that Alice wins the game= $\frac{Number\;of\;favourable\;cases}{Total\;number\;of\;cases}$

The probability that Alice wins the game= $\frac{number \;of \;heads}{Total\; results}$

The probability that Alice wins the game= $\frac{1}{2}$

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3 years ago