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Hoochie [10]
3 years ago
15

Write an algebra expression for the word expression for nine less than the sum of X and 5​

Mathematics
1 answer:
Dmitriy789 [7]3 years ago
6 0

Answer:

(x + 5) - 9

Step-by-step explanation:

An expression is a mathematical phrase that contains a variable and a constant, but not an equal sign.  Using key words from the given verbal expression, we can make an algebraic expresion:

'nine less than' = subtract 9 or - 9

'the sum of x and 5' = addition of 'x' and '5' or x + 5

put them together:  (x + 5) - 9

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Which graph represents the solutions to the inequality |2x − 4| less than or equal to 14?
atroni [7]
<span>The graph that represents the solutions to the inequality |2x − 4| less than or equal to 14 or |2x - 4| </span>≤ 14 is<span> a number line with a closed circle on negative 5, shading to the right and a closed circle on 9, shading to the left. The answer is letter B. The less than or equal to symbol or '</span>≤' represents that all integers less than or equal to 9 are all solutions to the given inequality. <span> 

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5 0
3 years ago
Heeeeeeeeeeeeelp!?!?!?!?!?!?!?!?!?!?!?!
Rashid [163]

Answer:

Step-by-step explanation: The rate of change at which the water level rises is centimeters per minute. So, solving the

equation for y gives a y-value equal to 1.

6 0
2 years ago
Read 2 more answers
You have two biased coins. Coin A comes up heads with probability 0.1. Coin B comes up heads with probability 0.6.However, you a
Andrews [41]

Answer:

The probability that our guess is correct = 0.857.

Step-by-step explanation:

The given question is based on A Conditional Probability with Biased Coins.

Given data:

P(Head | A) = 0.1

P(Head | B) = 0.6

<u>By using Bayes' theorem:</u>

P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)}

We know that P(B) = 0.5 = P(A), because coins A and B are equally likely to be picked.

Now,

P(Head) = P(A) × P(head | A) + P(B) × P(Head | B)

By putting the value, we get

P(Head) = 0.5 × 0.1 + 0.5 × 0.6

P(Head) = 0.35

Now put this value in P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)} , we get

P(B|Head) = P(Head|B) \times \frac{P(B)}{P(Head)}

P(B|Head) = 0.6 \times \frac{0.5}{0.35}

P(B|Head) = 0.857

Similarly.

P(A|Head) = 0.857

Hence, the probability that our guess is correct = 0.857.

7 0
4 years ago
If f(x)=2x²-x find f(-3)
ivolga24 [154]

Answer:

21

Step-by-step explanation:

f(x) = 2x^2 - x

f(-3) = 2*(-3)^2 - (-3)

=2*9 +3

=18 +3

=21

3 0
3 years ago
Read 2 more answers
HELP PLZ
ollegr [7]

Answer:

a. ∠D'A'B'

Step-by-step explanation:

From the graph it is clear that the transformation doesn't affect the size and shape of the figure ABCD.

Only the coordinates of the points are changed with the length of each side remaining the same.

Hence the corresponding angle values will also remain unaltered.

∴ ∠DAB = ∠D'A'B'

5 0
3 years ago
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