3 years ago

From the x-intercept and y-intercept from the folowing linear equation: x + 4y=-56

Mathematics

1 answer:

TEA [102]3 years ago

5 0

Answer:

Y- intercept= -14

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What is the sum ? I can do it

love history [14]

6x^7 + 8x^7 = 14x^7 <==

3 0

3 years ago

Read 2 more answers

Consider the set of differences, denoted with d, between two dependent sets: 84, 85, 83, 63, 61, 100, 98. Find the sample standa

sveta [45]

Answer:

The sample standard deviation is 15.3.

Step-by-step explanation:

Given data items,

84, 85, 83, 63, 61, 100, 98,

Number of data items, N = 7,

Let x represents the data item,

Mean of the data points,

$\bar{x}=\frac{84+85+83+63+61+100+98}{7}$

$=82$

Hence, sample standard deviation would be,

$\sigma= \sqrt{\frac{1}{N-1}\sum_{i=1}^{N} (x_i-\bar{x})^2}$

$=\sqrt{\frac{1}{6}\sum_{i=1}^{7} (x_i-82)^2}$

$=\sqrt{\frac{1}{6}\times 1396}$

$=\sqrt{232.666666667}$

$=15.2534149182$

$\approx 15.3$

4 0

2 years ago

Kim is reading a book with 380 pages. She read 20 pages each day until she reached Part 2 of the book. Part 2 of the book is 160

o-na [289]

Answer:

11 days

Step-by-step explanation:

380-160=220

20 times 11 =220

answer 11 days

5 0

2 years ago

Rational or irrational?

Lisa [10]

Since its a square root then it would be irrational.

Hope this helps you! :)

8 0

3 years ago

(ReallyNeed) 1. Which of the following is equivalent to 5x + 2y = 20?

romanna [79]

1. D
Y=x+4.
That’s the answer

6 0

2 years ago