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2 years ago

Lisa ate 1/3 of a pizza. Katie ate 1/6 of the same pizza. What fraction of the pizza did they eat altogether?

Mathematics

2 answers:

horrorfan [7]2 years ago

8 0

They ate 3/6 of the pizza, or simplified as 1/2.

OverLord2011 [107]2 years ago

7 0

Don't have enough time to explain it, but they ate 3/6 or 1/2 all together.

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Evaluate this exponential expression.

Levart [38]

Answer:

$(-27)^\dfrac{2}{3}$ = 9

Step-by-step explanation:

Given that,

Asn expression : $(-27)^\dfrac{2}{3}$

We need to evaluate the above expression.

We know that, $(-3)^3=-27$

So,

$(-27)^\dfrac{2}{3}=(-3)^{3\times \dfrac{2}{3}}$

$=(-3)^2\\\\=-3\times -3\\\\=9$

So, the value of $(-27)^\dfrac{2}{3}$ is 9. Hence, the correct option is (b).

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2 years ago

Write 6 times x to the five eighths power in radical form.

Tanzania [10]

Answer: D- 6 times the eighth root of x to the fifth power.

Step-by-step explanation:

Bring denominator e as the small number in front of root.

Bring x into the root and the numerator as the power x is raised too.

Have it all times 6.

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2 years ago

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In triangle ACD, what is the value of X:<br> who ever show works gets brainly.

Keith_Richards [23]

Answer:

x = 7.5

Step-by-step explanation:

Given that BE is parallel to CD and intersects the 2 other sides, then it divides the 2 sides in proportion, that is

$\frac{AB}{BC}$ = $\frac{AE}{ED}$ , substitute values

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8x = 60 ( divide both sides by 8 )

x = 7.5

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2 years ago

LM is the midsegment of trapezoid ABCD. AB= x + 8, LM = 4x + 3, and DC = 187. What is the value of x?

beks73 [17]

$\frac{|DC|+|AB|}{2}=|LM|\\\\|AB|=x+8;\ |LM|=4x+3;\ |DC|=187\\\\substitute:\\\\\frac{187+x+8}{2}=4x+3\ \ \ \ /\cdot2\\\\195+x=8x+6\ \ \ /-195;\ /-8x\\\\-7x=-189\ \ \ /:7\\\\\underline{\underline{x=27}}$

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2 years ago

what is the probability of randomly selecting a score between 1 and 2 standard deviations below the mean?

velikii [3]

Answer:

0.13591.

Step-by-step explanation:

We re asked to find the probability of randomly selecting a score between 1 and 2 standard deviations below the mean.

We know that z-score tells us that a data point is how many standard deviation above or below mean.

To solve our given problem, we need to find area between z-score of -2 and -1 that is $P(-2$ .

We will use formula $P(a$ to solve our given problem.

$P(-2$

Using normal distribution table, we will get:

$P(-2$

Therefore, the probability of randomly selecting a score between 1 and 2 standard deviations below the mean would be 0.13591.

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2 years ago