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lina2011 [118]
3 years ago
8

Hlp me with this math problem

Mathematics
1 answer:
zaharov [31]3 years ago
7 0

Answer:

0.5l+0.2s

Step-by-step explanation:

0.10x5<em>l</em> equals 0.5<em>l</em>

0.10x2<em>s</em> equals 0.2<em>s</em>

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What is alergbra about and why ?
Pie

Answer:

Simply put, algebra is about finding the unknown or putting real life variables into equations and then solving them. ... Algebra can include real numbers, complex numbers, matrices, vectors, and many more forms of mathematic representation

Step-by-step explanation:

4 0
3 years ago
Find the slant height of this square pyramid 6 inches on each side
tensa zangetsu [6.8K]
Are you saying the side is 6 inches? ie lenght of the base. i just dont think u have enough data there to work this out?
4 0
3 years ago
Someone please help solve this!! I’ll give brainlist
dem82 [27]

Answer:

Inital height is 20

Step-by-step explanation:

h= (-5x-5)(x-4)

h= -5x^2+15x+20

7 0
3 years ago
A community college has a math placement exam that has a mean of 65 and a standard deviation of 8.2. If a student takes the exam
Marat540 [252]

Answer:

The score that cuts off the bottom 2.5% is 48.93.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore 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 pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 65, \sigma = 8.2

What is the score that cuts off the bottom 2.5%

This is X when Z has a pvalue of 0.025, so X when Z = -1.96.

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

-1.96 = \frac{X - 65}{8.2}

X - 65 = -1.96*8.2

X = 48.93

The score that cuts off the bottom 2.5% is 48.93.

8 0
3 years ago
Read 2 more answers
Answer this question to chick you knowledge
NemiM [27]

Answer:

8.5 Yards

Step-by-step explanation:

Pythagorean Theorem: c = \sqrt{a^{2} +b^{2} }

a = 6

b = 6

Therefore: c = \sqrt{6^{2} +6^{2} } = 8.485

The path is 8.5 yards long

4 0
3 years ago
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