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lorasvet [3.4K]
3 years ago
11

How do you solve -3x+d=-9

Mathematics
1 answer:
zhuklara [117]3 years ago
8 0
Step 1: Add 3x to both sides.d−3x+3x=−9+3xd=3x−9 = ANSWER

Can you possibly help me on my recent question?
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Craig’s school has 4 lessons in the morning lessons 1 starts at 8:35 each lesson is 60 minutes long there is a break between les
jasenka [17]

Answer:

12:50 PM.

Step-by-step explanation:

We have been given that Craig’s school has 4 lessons in the morning and lesson 1 starts at 8:35. Each lesson is 60 minutes long. There is a break of 15 minutes between lesson 2 and 3.

We can see that lesson 1 will end at 9:35 AM and second lesson will end at 10:35 AM.

We have been also given that there is a break for 15 minutes between lesson 2 and 3. So third lesson will start at 10:50 AM as lunch break will end at 10:50 AM.

Third lesson will end 60 minutes after 10:50 AM that is 11:50 AM and fourth lesson will end 60 minutes after 11:50 AM that is 12:50 PM.

Therefore, 4th lesson will end at 12:50 PM.    

6 0
3 years ago
Solve: (-5) + (-18) <br><br>A -23<br><br>B- 13<br><br>C 13<br><br>D 23​
Lina20 [59]
The answer would be -23
8 0
2 years ago
55 more than a number is twenty.
Mrac [35]

Answer:-35

Step-by-step explanation:

To find 55 more a number equal to 20

We get

Let the number b y

55 more than the number

We be

y+55=20

y=20-55

y=-35

7 0
3 years ago
g The manager of a grocery store has selected a random sample of 100 customers. The average length of time it took these 100 cus
vagabundo [1.1K]

Answer:

The right solution is "0.196".

Step-by-step explanation:

The given values are:

Standard deviation,

\sigma=1 \ minute

Sample size,

n=100

Confidence level,

c=95%

  =0.95

Now,

For \alpha=1-c

         = 1-0.95

         =0.05

then,

Z_{\frac{\alpha}{2} } = Z_{\frac{0.05}{2} }

     =Z_{0.025}

     =1.96

The margin or error will be:

⇒ E=Z_{\frac{\alpha}{2} } (\frac{\sigma}{\sqrt{n} })

On substituting the values, we get

       = 1.96(\frac{1}{\sqrt{100} })

       = 1.96\times \frac{1}{10}

       = 0.196

7 0
2 years ago
Margot's dad has 7 striped ties and 21 solid ties. What is ratio striped ties to solid ties
Anuta_ua [19.1K]

7 : 21

which can be simplified to 1 : 3 as both sides are divisible by 7

8 0
3 years ago
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