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2 years ago

9

The student government association at a certain college assigns a number to each student enrolled, puts the numbers in order, an

d then draws a sample that consists of every student to ask about a new grading policy.The sample is a _____ sample.

1 answer:

snow_tiger [21]2 years ago

3 0

Answer: Systematic

Step-by-step explanation:

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Henry and 28 classmates go to the roller skating rink . Each van can hold 11 students . If all of the vans are full except one h

Rudik [331]

You divide 29:11= 2 7/11
so you have 2 full vans and one with 7 students.
so the answer is 7

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The table shows the ratio of cups of water to cups of juice needed for a certain number of servings. A 3-column table has 3 rows

SSSSS [86.1K]

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5:10

Step-by-step explanation:

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If SYSTEM is coded as '131625', and KARMA is coded as '94854' then MARKET is coded as _____? (A) 845926 (B) 548926 (C) 629845 (D

MArishka [77]

Answer:

B. 548926

Step-by-step explanation:

Given

SYSTEM => '131625', and KARMA => '94854'

Required

MARKET is coded as?

To solve this, we simply map out each letter to the given characters;

This is done as follows:

S-> 1

Y-> 3

S-> 1

T-> 6

E -> 2

M-> 5

K-> 9

A-> 4

R-> 8

M-> 5

A -> 4

Remove repetitions

S-> 1

Y-> 3

T-> 6

E -> 2

M-> 5

K-> 9

R-> 8

A -> 4

Now, we can code MARKET using the same system

M-> 5

A -> 4

R-> 8

K-> 9

E -> 2

T-> 6

MARKET => 548926

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2 years ago

Which expression is equivalent to 4/9(2n-3)

krok68 [10]

I hope this helps you out.

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2 years ago

Solve for x in the equation x squared + 14 x + 17 = negative 96. x = negative 7 plus-or-minus 4 StartRoot 6 EndRoot i x = –7 ± 8

blagie [28]

Answer:

$x=-7\pm8i$

Step-by-step explanation:

we have

$x^{2} +14x+17=-96$

Equate to zero

$x^{2} +14x+17+96=0$

$x^{2} +14x+113=0$

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2} +14x+113=0$

so

$a=1\\b=14\\c=113$

substitute in the formula

$x=\frac{-14\pm\sqrt{14^{2}-4(1)(113)}} {2(1)}$

$x=\frac{-14\pm\sqrt{-256}} {2}$

Remember that

$i=\sqrt{-1}$

so

$x=\frac{-14\pm16i} {2}$

$x=-7\pm8i$

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