3 years ago

Which equation is true if x = 9? A:3/8 x = 3 3/8 B: 8.7 + x = 17 X: 5x = 40 x:11.5 = 20

Mathematics

1 answer:

Furkat [3]3 years ago

6 0

Answer:

the answer might be A meaning Sis TV correct one

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Which of the following could be true if y ≤ -75?

Reika [66]

Answer:D

Step-by-step explanation:

From the inequality, y= -75 or Less, the next whole number less than -75 is -76

6 0

3 years ago

G(n) = 2n<br> f(n)=n²-n<br> Find g(f)7)

mote1985 [20]

Answer:

g(f(7))=g(7×7-7)

=g(49-7)

=g(42)

=2×42

=84

in my equation

8 0

3 years ago

(45x^2-10x-13)/(5x^2+7), Find limit notation

ad-work [718]

Answer:

Step-by-step explanation:

As x gets large, the only terms of interest are the ones of highest degree.

$\lim\limits_{x \to \infty}{f(x)}=\dfrac{45x^2}{5x^2}=9$

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3 years ago

If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8, then P(X ≥ 75) is:a. 0.500b. 0

drek231 [11]

Answer:

a. 0.5

Step-by-step explanation:

We know that X follows normal distribution with

mean=75

standard deviation=8

$P(X\geq 75)=P(\frac{x-mean}{standard deviation}\geq \frac{75-75}{8})$

$P(X\geq 75)=P(Z\geq 0)$

$P(Z\geq 0)=$ P(0<Z<∞)

The area under the normal curve is 1 and the (0<Z<∞) =0.5 and (-∞<Z<0) =0.5

So, P(0<Z<∞)=0.5

Hence the P(X ≥ 75)=0.5

5 0

4 years ago

The sum of two consecutive even integers is at most 400. The pair of integers with the greatest sum is 196 and 198.

Licemer1 [7]

Answer:

Step-by-step explanation: If the sum of two equal even numbers is 400, the numbers will be 200+200. Therefore the largest possible consecutive even numbers which have a sum of 400 or less are 198 and 200 which have a sum of 398.

i guss this would be helpful :]

7 0

3 years ago