MATHEMATICS COLLEGE

Abigail has $400 in her savings account. She wants to keep at least $160 in the account.She withdraws $40 each week for food. Write and solve an inequality to show how many
weeks she can make withdrawals from her account.

Answers

Answer 1
Answer:

Answer:

400-40x x=6

Step-by-step explanation:

400 in total. minus 40 each week (x)

40 × 6= 240

400-240=160

Related Questions

A. X=1B. X=3C. X= 1,3D. X= 0,3
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The number of text messages sent by 25 13-year-olds over the past month are as follows791 542 671 672 555 582 616 961 639691 648 967 959 826 573 598 790 954711 515 649 960 949 802 507 a. Construct the frequency distribution using classes of 500 up to 600, 600 up to 700, etc.Texts Frequency500 up to 600 600 up to 700 700 up to 800 800 up to 900 900 up to 1000 Totalb. Construct the relative frequency distribution, the cumulative frequency distribution and the cumulative relative frequency distribution. (Round "Relative Frequency" and "Cumulative Relative Frequency" to 2 decimal places.)Texts Relative Frequency Cumulative Frequency Cumulative Relative Frequency500 up to 600 600 up to 700 700 up to 800 800 up to 900 900 up to 1000c-1. How many of the 13-year-olds sent at least 600 but less than 700 text messages?c-1. Number of 13-year-oldsNumber of 13-year-oldsc-2. How many sent less than 900 text messages?Number of 13-year-oldsd-1. What percent of the 13-year-olds sent at least 800 but less than 900 text messages? (Round your answer to the nearest whole percent.)Percent of 13-year-olds %d-5. What percent of the 13-year-olds sent less than 600 text messages? (Round your answer to the nearest whole percent.)Percent of 13-year-olds %
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An architect needs to consider the pitch, or steepness, of a roof in order to ensure precipitation runoff. The graph below showsthe vertical height, y, versus the horizontal distance, x, as measured from the roof peak's support beam.
Roof Steepness
y
14
12
10
8
Vertical Height (feet)
4
2
+X
10 12 14
0
2
4
6
8
Horizontal Distance (feet)
Determine the equation that could be used to represent this situation.

Answers

Answer:

y= -1/2x+10

Step-by-step explanation:

The slope-intercept form of a linear equation is y = mx + b, where m represents the slope and b represents the y-intercept.

For the the given graph, the y-intercept is 10. The slope can be determined by finding the rate of change between any two points on the graph, such as (2,9) and (8,6).

Answer:

The third answer (C).

Step-by-step explanation:

This graph starts at 10. So it needs the +10 at the end.

Also the slope is -1/2 because the graph goes down one, right two. Rise/run.

D=G+Grt solve for t. Show work

Answers

G + Grt = D
Subtract G
Grt = D - G
Divide both sides by Gr
t = (D-G)/(rG)

PLEASE ANSWER I NEED ITTY

Answers

Answer:

13. B

14. A

both declining slopes

How many randomly selected employers must we contact in order to create an estimate in which we are 95​% confident with a margin of error of 9​%? ​b) Suppose we want to reduce the margin of error to 4​%. What sample size will​ suffice? ​c) Why might it not be worth the effort to try to get an interval with a margin of error of 1​%?

Answers

Answer:

a)n=543

b)n=1509

c)n=13573

Step-by-step explanation:

a)

c=98%,

E=0.05

Margin Error E=Zα/2√p(1-p)/n

but n=((Zα/2)/n)²×p(1-p)

where the confidence level is 1-α=0.98

cross multiply

Zα/2=2.33

where p=0.5

input the values

n=(2.33/0.55)²×0.5(1-0.5)=543

n=0.33

b) E=0.33

E=Zα/2√p(1-p)/n

n=((Zα/2)/n)²×p(1-p)

1-α=0.01 confidence level

n=(2.33/0.33)²×0.5(1-0.5)=1504

n=1504

c) E=Zα/2√p(1-p)/n

n=((Zα/2)/n)²×p(1-p)

1-α=0.98

cross multiply

Zα/2=2.33

p=0.5

n=(2.33/0.01)²×0.5(1-0.5)=13573

n=13573

16 1/9+ -4 2/3 help please??

Answers

Answer:

11 4/9

Step-by-step explanation:

ANDDD the answer is

How would you write 0.7 repeated as a fraction

Answers

0.7 repeated can be written as a fraction (7)/(9).

What are Fractions?

Fractions are defined as a part or portion in a whole. There are two parts for a fraction, numerator which is the upper part and the denominator, which is the lower part.

Fractions are generally written in the form (p)/(q), where p and q are real numbers. Here, the number p is called the numerator and the number q is called the denominator.

Fractions can be simplified as decimals.

We have to find the fraction representing the number 0.7 repeated.

0.7 repeated is actually the number 0.77777.....

The quotient of 5/8 = 0.625

The quotient of 6/7 = 0.857...

The quotient of 7/9 = 0.777.......

The quotient of 7/100 = 0.07

So, the quotient of 7/9 is the required number.

Hence the fraction which on simplification gives 0.7 repeated is 7/9.

To learn more about Fractions, click on the link given below:

brainly.com/question/10354322

#SPJ2

Answer:

7/9

Step-by-step explanation:

7/9 = 0.777777777777777777...
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