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Andreyy89
3 years ago
15

What is y=x+6 y=-2x-3

Mathematics
2 answers:
Juliette [100K]3 years ago
3 0
X=-3 because first substitute the value of y into the original equation -2x-3=x+6 then isolate the variables -2x-x=6+3 which is -3x=9 then we can divide x=9/-3 which =-3
nydimaria [60]3 years ago
3 0

x=9

y=15

check the image I sent

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Can someone please help me on these two questions.
Valentin [98]
What are the questions
5 0
3 years ago
Mr. Nolan has a bank account that compounds interest
german

Answer: At the end of the day on December 8, he has a total balance of $2841.02

Step-by-step explanation:

The rate at which the compound interest adds up is a 3.7%.

His principal is $2644.08, on the 7th of December, he withdraws $550. Thus, his balance is = $2644.08 - $550 = $2094.08.

He later deposits $934, after being paid by his employer.

That is $2094.08 + $934 = $3028.08

Which is his balance at the end of the day on December 7.

Remember that the rate is daily, at a 3.7%.

A 3.7% of the balance of December 7, $3028.08 is $112.039.

In total, interest +amount = real balance,

$112.039+$3028.08 = $3140.119

He later withdraws $300 for holiday shopping = $3140.119 - 300 = $2840.119

But 1 dollar = 100 cents and vice versa.

Therefore, $2840.119 = $2841.019

In two decimal places, that is approximately $2841.02

Therefore, Mr Nolan's balance at the end of December 8 is $2841.02.

4 0
3 years ago
Pls help! Find the slope<br><br> -3/5<br><br> 3/5<br><br> 5/3<br><br> -5/3
Lynna [10]

Answer:

D

Step-by-step explanation:

to find the slope always think of (rise over run) basically for rise it goes down 5 so that would be -5 and for run it moves to the right 3 so that -5/3

4 0
2 years ago
Read 2 more answers
What are ordered pairs for 4x - 2y = 10
finlep [7]

Answer:

(0,−5),(1,−3),(2,−1)

Step-by-step explanation:

7 0
3 years ago
Which statement correctly relates the standard deviation of the two data sets below? Data set 1 Data set 2 1 2 2 2 3 3 3 3 6 4 4
Tems11 [23]

Answer:

C.) The standard deviation of Data Set 1 is about twice the standard deviation of Data Set 2.

Step-by-step explanation:

  • Data Set 1: 1,2,3,3,6
  • Data Set 2: 2,2,3,3,4,4

<u>Data Set 1</u>

<u />\mu =\dfrac{1+2+3+3+6}{5}= \dfrac{15}{5}=3<u />

<u />S$tandard Deviation, \sigma =\sqrt{\dfrac{\sum (x-\mu)^2}{N}}<u />

\sigma =\sqrt{\dfrac{(1-3)^2+(2-3)^2+(3-3)^2+(3-3)^2+(6-3)^2}{5}}\\=\sqrt{\dfrac{4+1+0+0+9}{5}}\\=\sqrt{\dfrac{14}{5}}\\\\=1.67

<u>Data Set 2</u>

<u />\mu =\dfrac{2+2+3+3+4+4}{6}= \dfrac{18}{6}=3<u />

<u />\sigma =\sqrt{\dfrac{(2-3)^2+(2-3)^2+(3-3)^2+(3-3)^2+(4-3)^2+(4-3)^2}{6}}\\=\sqrt{\dfrac{1+1+0+0+1+1}{6}}\\=\sqrt{\dfrac{4}{5}}\\\\=0.89<u />

<u />

0.89 X 2=1.78 which is close to 1.67

Therefore, the standard deviation of Data Set 1 is about twice the standard deviation of Data Set 2.

8 0
3 years ago
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