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docker41 [41]
3 years ago
8

Elena has $225 in her bank account. She takes out $20 each week for w weeks. After w weeks she has d dollars left in her bank ac

count.
Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
7 0

Answer:

225 - 20w = d

Step-by-step explanation:

AfilCa [17]3 years ago
6 0

Answer:

After 11 weeks she has 5 dollars left in her bank account

Step-by-step explanation

I divided 225 ÷ 5 without going to the end of the operation so the rest was 5 dollars.

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Solve the inequality x+1<3/4 and write the solution in interval notation.
Darya [45]

The solution to the inequality in interval form is (-∞, -1/4)

<h3>Inequality expressions</h3>

Inequality are expressions not separates by an equal sign. Given the inequality below;

x+1<3/4

Subtract 1 from both sides to have;

x + 1 - 1 < 3/4 - 1

x < 3/4 - 1

x < (3-4)/4

x < -1/4

Hence the solution to the inequality in interval form is (-∞, -1/4)

Learn more on inequality here: brainly.com/question/24372553

#SPJ1

3 0
1 year ago
8x(40+7)=(8x )+(8x7 what is the missing number
Hitman42 [59]
Well since the first expression says 8x(40+7) the answer would be 40 that is missing

Since your splitting 47 into 40 and 7 and multiplying both of them by 8 the answer would be 40
6 0
3 years ago
To solve x+11=23, jasmine
Schach [20]
Subtract 23 and 11 and you’ll get the answer
4 0
3 years ago
Read 2 more answers
Find the product of ( - 6 + 3i) and its conjugate.<br> product =<br> Submit Question
valina [46]

Answer:

-9i. if 6 plus 3 = 9 and the six was a negative plus a positive 3 it's -9 and the 3 had any I attached do it's -9i

8 0
2 years ago
Read 2 more answers
. In the 107th Congress, the Senate consists of 13 women and 87 men. If a lobbyist for the tobacco industry randomly selects thr
brilliants [131]

Answer:

0.18% probability that they are all women

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The order in which the senators are chosen is not important, so the combinations formula is used to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

Desired outcomes:

3 women, from a set of 13. So

D = C_{13,3} = \frac{13!}{3!(13 - 3)!} = 286

Total outcomes:

3 senators, from a set of 100. So

T = C_{100,3} = \frac{100!}{3!(100 - 3)!} = 161700

Probability;

p = \frac{D}{T} = \frac{286}{161700} = 0.0018

0.18% probability that they are all women

5 0
3 years ago
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