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Svetllana [295]
2 years ago
10

A survey conducted by Black Flag asked whether or not the action of a certain type of roach disk was effective in killing roache

s. 79% of the respondents agreed that the roach disk was effective. The number 79% is a a. parameter. c. statistic. b. population. d. sample.
Mathematics
1 answer:
stiv31 [10]2 years ago
6 0
79% caraca bastante né bons estudos survey
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Wyatt offers 8 types of sandwiches and 4 types of tacos. He will increase his selection of sandwiches by 1 per month. He will in
Klio2033 [76]

Answer:

In 4 months Wyatt offer an equal number of sandwiches and tacos.

Step-by-step explanation:

We are given the following in the question:

Types of sandwiches = 8

Rate of increase of sandwich = 1 per month

Thus, number of sandwiches in x months will be given by

n_1(x) = 8 + x

Types of tacos = 4

Rate of increase of tacos sandwich = 2 per month

Thus, number of tacos in x months will be given by

n_2(x) = 4 + 2x

Equating the two equations, we get,

n_1(x) = n_2(x)\\8 + x = 4 + 2x\\\Rightarrow x = 4

Thus, in 4 months Wyatt offer an equal number of sandwiches and tacos.

4 0
3 years ago
What is the value of d + e + f when d = 20, e = –4 and f = –2?
saw5 [17]
20 - 4 - 2 = 14.  A negative number is just like subtracting it.
5 0
2 years ago
Write a division problem with these types of numbers: • The dividend and divisor are both mixed numbers. • The quotient is a who
viktelen [127]

Answer:

1 2/1 ÷1 1/2  = 2

Step-by-step explanation:

dividend ÷ divisor = quotient

1 2/1 ÷1 1/2  = 2

In order to solve this you need to make the mixed numbers into an improper fraction:

3/1 ÷ 3/2

use the KFC method (Keep Change Flip)

When you got to fractions you wanna divide flip the right and multiply

3/1 (2/3)= 2

4 0
3 years ago
PLSSS HELP THIS IS HARD ANYONE
Nikolay [14]

Answer:

270 degrees counterclockwise rotation/ the last answer

Step-by-step explanation:

reflection over the y axis wouldn't work bc the shape would still be a horizontal rectangle

dilation would change the size of the shape

and translation wouldn't map it correctly bc it would still be turned the wrong way

3 0
2 years ago
Read 2 more answers
The division sign and the capital letter "T", is there any rotational symmetry and how so?
kirill115 [55]

Answer:

Rotational symmetry 1

Step-by-step explanation:

You will get only one rotational symmetry when you turn 360

5 0
3 years ago
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