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2 years ago

Ten more than a number is -122.

Mathematics

2 answers:

Kryger [21]2 years ago

7 0

Answer:

-132

Step-by-step explanation:

Let's say the number is x

10 more than x = -122

Convert from word form to numerical form

x + 10 = -122

Minus 10 on both sides

x = -132

The answer is -132

Hope this helps :)

Have a spectacular day!

Paladinen [302]2 years ago

6 0

Let's set up an equation to figure this out!

"ten more" means we need to put + 10 in the equation

"than a number" can be represented by x

x + 10 = -122

Solve!

x = -122 - 10

x = -132

The answer is -132

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3 years ago

Read 2 more answers

4. Janet wants to spend no more than $45 her friend's birthday gift. She already bought her a

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Answer:

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3 years ago

Simplify 1-31 +6+ (4 - 1). 8. 1.) 8 2.) 13 3.) 19 4.) 24

Veronika [31]

Step-by-step explanation:

By rule of bodmas rule

= 1 - 31 + 6 + 3 × 8

= 1 - 31 + 6 + 24

= 1 - 31 + 5 + 24

= - 30 + 5 + 24

= - 25 + 24

= -1

Now without using bodmas rule

= 1 - 31 + 6 + (4 - 1). 8.

=-30+6+4+(4-1)×8

=-23+4+(4-1)×8

=-19+4+(4-1)×8

=-15+(4-1)×8

=-15+3×8

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MARK AS BRAINLIST IF IT IS USEFUL

6 0

3 years ago

Please help! thank you!

Lina20 [59]

Answer:

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3 0

3 years ago

In an effort to estimate the mean amount spent per customer for dinner at major Atlanta restaurant, data were collected for a sa

AysviL [449]

Answer:

Confidence Interval is (21.76928571,23.43071429)

Step-by-step explanation:

The Formula we are going to use is:

$P=\mu$ ± $z_{\alpha/2}*\frac{\sigma}{\sqrt{n}}$

Where:

μ is the mean of sample

σ is the standard deviation of population

n is the sample size

z is the distribution

In our case:

μ=$22.60,σ=$2.50

For 98% Confidence level, 1-α=98%

α=2%

α/2=1%=0.01

From Cumulative standardized Normal Distribution table

$z_{\alpha/2}$ =2.326

$P=\mu\±z_{\alpha/2}*\frac{\sigma}{\sqrt{n}}\\P=22.60\±2.326*\frac{2.50}{\sqrt{49}}\\P=22.60\±0.8307142857$

P=23.430714 P=21.769286

Confidence Interval is (21.76928571,23.43071429)

5 0

3 years ago