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elena-s [515]
3 years ago
9

Casey has n nickels. Megan has 4 times as many nickels as Casey has. Write an expression for the total munber of nickels Casey a

nd Megan have. Then simplify the expression.
Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0
C = n
M = 4 x n or 4n
C + M = n + 4n = 5n
julsineya [31]3 years ago
6 0

Answer:

Total number of nickels Casey and Megan have: n+4n

Simplified: 5n


Step-by-step explanation:

  • Casey has  n  nickels

Megan has 4 times of Casey. So we multiply 4 with the number of nickels Casey have, n

  • Megan has  4n  nickels

Total nickels of Casey and Megan = n + 4n

Simplified = n + 4n = 5n

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ikadub [295]
PEMDAS
P- none
E- none
M- none
D- (3/1/3=1)
AS- 9-1+1=9

The answer is A.
7 0
2 years ago
What is correct about F-test of overall validity of the model?
sweet-ann [11.9K]

Answer: B

Step-by-step explanation:

It is one sided test of R-squared being zero versus being greater than zero.

These are the steps of the test.

1. State the null and alternative hypothesis: ...

2. Compute the test statistic: ...

3. Find a (1 - 0.05)×100% confidence interval for the test statistic. ...

4. Decide whether to accept or reject the null hypothesis: 5.991 ∉ [0, 2.28], so reject H 0 .

5. Determine the p-value.

7 0
3 years ago
Hi please help I’m rlly behind in school!!!
Butoxors [25]

Answer:

17 pounds

Step-by-step explanation:

Median:

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4 0
2 years ago
The manager of a fashionable restaurant open Wednesday through Saturday says that the restaurant does about 29 percent of its bu
RideAnS [48]

Answer: The seasonal relatives is calculated are as follows:

Step-by-step explanation:

Given that,

restaurant only open from Wednesday to Saturday,

  • 29 percent of its business on Friday
  • 31 percent on Saturday night
  • 21 percent on Thursday night.

∴ The remaining 19% of its business he does on Wednesday

Now, suppose that total production of sales in a given week be 'y'

So, average sales in a week = \frac{y}{4}

If we assume that y = 1

hence, average sales in a week = \frac{1}{4}

= 0.25

Now, we have to calculate the seasonal relatives,

that is,

=  \frac{Sales in a given day}{average sales in a week}

Wednesday:

= \frac{0.19}{0.25}

= 0.76

Thursday:

= \frac{0.21}{0.25}

= 0.84

Friday:

= \frac{0.29}{0.25}

= 1.16

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8 0
3 years ago
Find the savings plan balance after 18 months with an APR of 3% and monthly payments of $200.
ArbitrLikvidat [17]

The saving plan balance is $3,677.53.

Given that,

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Based on the above information, the following formula should be used:

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Therefore we can conclude that the saving plan balance is $3,677.53.

Learn more: brainly.com/question/14191332

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2 years ago
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