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Gnoma [55]
2 years ago
7

EVALUATE (mn)(x) for x = -3.

Mathematics
1 answer:
goldfiish [28.3K]2 years ago
8 0

The value of expression (m n)(x) for x=-3 by putting x=-3 is -3mn.

Given Expression (m n)(x) and we have to find the value for x=-3.

Expression refers to the combinations of numbers, symbols, variables. It is usually not present in equal to form. It is often solved for finding the overall relationship between variables. It is often expresses quantity of one variable and combination of some material.

The given expression is (mn)(x)

To find the value of expression for x=-3, we have to just put the value of x=-3

mn(x)=(mn)(-3)

=(mn)-3

=-3mn

Hence the value of  expression (mn)(x) for x=-3 is -3mn.

Learn more about expressions at brainly.com/question/723406

#SPJ10

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Determine the volume and the total surface area of the square pyramid.if its perpendicular height is 12cm and square length is 5
Vika [28.1K]

Answer:

Volume = 100 cm³

​Surface area of the square pyramid = 145 cm²

Step-by-step explanation:

Given:

Perpendicular height = 12cm

Square length = 5cm

Find:

Volume

​Surface area of the square pyramid

Computation:

Area of base = side²

Area of base = 5²

Area of base = 25 cm²

Volume = (1/3)(A)(h)

Volume = (1/3)(25)(12)

Volume = 100 cm³

​Surface area of the square pyramid = A + 1/2(P)(h)

Perimeter square pyramid = 4(s)

Perimeter square pyramid = 4(5)

Perimeter square pyramid = 20 cm

​Surface area of the square pyramid = 25 + 1/2(20)(12)

​Surface area of the square pyramid = 145 cm²

3 0
2 years ago
Which applies the power of a power rule to simplify the expression (8 Superscript 12 Baseline) cubed?
rodikova [14]

Answer: (8^{12})^3=8^{12\times 3}=8^{36}

Step-by-step explanation:

Given :  the expression (8^{12})^3

We have to simplify the given  expression and choose the correct from the given options.

Consider the expression (8^{12})^3

Using property of exponents,

\left(a^b\right)^c=a^{b\times c}

We have,

(8^{12})^3=8^{12\times 3}=8^{36}

7 1
3 years ago
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Find the equation using the point (4,8)
lora16 [44]
You need to graph it so I guess
7 0
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(3n^2+13n^3+5n)-(7n+4n^3)
Fantom [35]

Answer: n*(3n+2)*(3n-1)

Step-by-step explanation:

4 0
3 years ago
Most college-bound students take either the SAT(Scholastic Assessment Test) or the ACT (which originally stood for American coll
Jlenok [28]

Answer:

Luis would need to have a SAT score of 574.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the p-value, we get the probability that the value of the measure is greater than X.

Nicole's z-score:

ACT scores have a mean of about 21 with a standard deviation of about 5, which means that \mu = 21, \sigma = 5

Nicole gets a score of 24, which means that X = 24. Her z-score is:

Z = \frac{X - \mu}{\sigma}

Z = \frac{24 - 21}{5}

Z = 0.6

What score would Luis have to have on the SAT to have the same standardized score(z-score) as Nicole's standardized score on the ACT?

Luis would have to get a score with a z-score of 0.6, that is, X when Z = 0.6.

SAT scores have a mean of about 508 with a standard deviation of about 110, which means that \mu = 508, \sigma = 110.

The score is:

Z = \frac{X - \mu}{\sigma}

0.6 = \frac{X - 508}{110}

X - 508 = 0.6*110

X = 574

Luis would need to have a SAT score of 574.

8 0
2 years ago
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