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GREYUIT [131]
2 years ago
8

You are surveying students to find out their opinion of the quality of food served in the school cafeteria. Which of the followi

ng samples would be random?​
Mathematics
2 answers:
Scrat [10]2 years ago
5 0

Answer:

aint random

Step-by-step explanation:

asambeis [7]2 years ago
3 0

Answer:

Of course it isn't random. Students who buy hot lunch probably like it.

 No, it's not random.  

Step-by-step explanation:

You might be interested in
Which triangles are similar?
Anastaziya [24]

Answer:

i b and d

Step-by-step explanation:

i say this because i see that b the bottom of it is longer that the

top witch causes the number diffrence same for d but but the top is longer

4 0
3 years ago
A senior paid $3.47, $9.50 and $2.50 for lunch during a basketball tournament. What was the average amount he paid over three da
cestrela7 [59]

Answer:

The average amount he paid over 3 days is $15.47.

Step-by-step explanation:

4 0
2 years ago
Question :
Elza [17]

Answer:

C) 405.3 ft

Step-by-step explanation:

A triangle is a polygon with three angles and three sides. Types of triangle are scalene, isosceles, equilateral, right angled triangle.

Given a triangle with angles A, B, C and the corresponding sides directly opposite to the angles as a, b, c. The sine rule states that:

\frac{a}{sin(A)}= \frac{b}{sin(B)} =\frac{c}{sin(C)}

In the triangle formed by point C, ship B and ship A, we have ∠A = 82°, ∠B = 78°, c = AB = 140 ft. Hence:

∠A + ∠B + ∠C = 180° (sum of angles in a triangle)

82 + 78 + ∠C = 180

∠C + 160 = 180

∠C = 20°

Using sine rule:

\frac{c}{sin(C)}=\frac{a}{sin(A)}\\\\\frac{140}{sin(20)}=\frac{a}{sin(82)}\\\\a=    \frac{140*sin (82)}{sin(20)}\\\\a=405.3\ ft

a =  distance from Ship B to the signal fire at point C

8 0
2 years ago
Work out the value 3x10^-5 x 40,000,000 give you answer in standard form​
Olenka [21]

<u>★ Solution:</u>

➣ {\sf{3\:x\:10^{-5}\:x\:4\:x\:10^7

➣ {\sf{(3\:x\:4)\:x\:(10^{-5+(-7)})

➣ {\sf{12\:x\:10^2

➣ {\sf{1.2\:x\:10^3

3 0
2 years ago
Solve by factoring square roots x^2 -49=0​
aliina [53]

Answer:

X=7

Step-by-step explanation:

X = SQRT(49)

X = 7

Best regards

4 0
3 years ago
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