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diamong [38]
3 years ago
15

On Monday, you were able to spell two of your spelling words correctly. On Tuesday, you were able to spell four of your spelling

words correctly, which was double the amount you spelled correctly the day before. If each day this week, you double the number of spelling words you can spell correctly, which expression represents the number of words you can spell correctly on Friday?
5^2
2 × 5
2^5
2^4
Mathematics
2 answers:
Advocard [28]3 years ago
7 0

Answer: 2^5

Step-by-step explanation:

Formula: 2*x - For everyday

2*2 - Monday

4*2 - Tuesday

8*2 - Wednesday

16*2 - Thursday

So for Friday you can spell 32 words which is 2^5

Zarrin [17]3 years ago
3 0

Answer:

C. 2>5

Step-by-step explanation:

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What is an equation of the line that passes through the points (0, 3) and (5,-3)?
Arisa [49]

Answer:

The equation of the line that passes through the points (0, 3) and (5, -3) is y = -\frac{6}{5}\cdot x +3.

Step-by-step explanation:

From Analytical Geometry we must remember that a line can be formed after knowing two distinct points on Cartesian plane. The equation of the line is described below:

y = m\cdot x + b (Eq. 1)

Where:

x - Independent variable, dimensionless.

y - Dependent variable, dimensionless.

m - Slope, dimensionless.

b - y-Intercept, dimensionless.

If we know that (x_{1},y_{1}) = (0,3) and (x_{2},y_{2})=(5,-3), the following system of linear equations is constructed:

b = 3 (Eq. 2)

5\cdot m + b = -3 (Eq. 3)

The solution of the system is: b = 3, m = -\frac{6}{5}. Hence, we get that equation of the line that passes through the points (0, 3) and (5, -3) is y = -\frac{6}{5}\cdot x +3.

5 0
3 years ago
Test the claim that the proportion of men who own cats is smaller than 70% at the 0.05 significance level. The null and alternat
Ghella [55]

Answer:

the null hypothesis would be: p = 70%/0.7

The alternative hypothesis would be: p < 0.7

Step-by-step explanation:

The null hypothesis is most of the time always the default statement while the alternative hypothesis is tested against the null and is its opposite.

In this case study the null hypothesis would be: the proportion of men who own cats is 70%: p = 0.7

The alternative hypothesis would be: the proportion of men who own cats is smaller than 70% : p < 0.7

3 0
3 years ago
Which of the following is a common denominator of 1/4 and 5/6? Answers:
Nuetrik [128]

Answer:

C: 12

Step-by-step explanation:

1/4 and 5/6  have a common denominator

List the multiples of each number

4: 4,8,12,16,20

6: 6,12,18

The first number they both go into is 12

4 0
3 years ago
Read 2 more answers
What is the unit rate for 12 juice boxes for $3.35?
Vera_Pavlovna [14]
Answer: 40.2

Explanation: All you have to do is multiply 3.35 and 12! :)
3 0
2 years ago
Jessica owns a bookstore. The day after a new book by a popular author was placed on the shelves, Jessica’s store sold 166 copie
Musya8 [376]

For this case we have a function of the form:

y = A * (b) ^ t

Where,

A: initial quantity of copies sold

b: decrease rate

t: time in days

Substituting values we have:

y = 166 * (0.83) ^ t

Answer:

A function that represents the book sales days after the release is:

y = 166 * (0.83) ^ t

8 0
3 years ago
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