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2 years ago

OMG PLEASE HELP HELP ME I NEED SO MUCH. HELP ME ON BOTH OF THEM PLEASE !!!

Mathematics

1 answer:

irina [24]2 years ago

3 0

Pencils: 6 18 66
Erasers: 2 6 22

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A class is made up of 10 boys and 5 girls. Half of the boys wear glasses. A student is selected at random from this class. What

saveliy_v [14]

Answer:

1/3

Step-by-step explanation:

Of the 15 students in the class, 5 are boys with glasses. The probability of selecting one at random is 5/15 = 1/3.

7 0

3 years ago

Read 2 more answers

Guests at a pizza party are seated at three tables. The small table has 5 seats and 2 pizzas. The medium table has 7 seats and 3

bagirrra123 [75]

Answer:

the 5 seated table with the 2 pizzas got more each.

Step-by-step explanation:

$\frac{5}{2} = 2\frac{1}{y2}$ pieces each

$\frac{7}{3} = 2\frac{1}{3}$ pieces each

$\frac{12}{5} = 2\frac{2}{5}$ pieces each

Now change the fractions s that they all have a common denominator.

$2\frac{1}{2} = 2\frac{15}{30}$

$2\frac{1}{3} = 2\frac{10}{30}$

$2\frac{2}{5} = 2\frac{15}{30}$

Thus meaning that the 5 seated table with the 2 pizzas got more each.

6 0

3 years ago

Stephen is using a map to plan a hike. The map is based on a scale of 1:40,000, in cm. If the route is 10 cm on the map, how man

kvasek [131]

1/40,000 = h/10
40,000h = 10
h = 10/40,000
h = 1/4,000

5 0

2 years ago

Given that f(x) = 19x2 + 152, solve the equation f(x) = 0

podryga [215]

Answer: 152

Step-by-step explanation: 19x^2 + 152

19(0)^2 + 152

0 + 152

Ans = 152

4 0

3 years ago

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3. Michael goes on a Camel Safari in Africa.

Veronika [31]

Answers:

Distance = 14 km

Displacement = 4 km east

==============================================

Explanation:

The total distance is simply the sum of the values given. So he traveled a total of 5+4+5 = 9+5 = 14 km overall.

----------------------

The displacement is where a drawing may come in handy. Draw an xy axis. Place point A at the origin (0,0). This is where Michael starts his trip. Then move up to (0,5) to indicate he goes 5 km north. Call this point B.

Afterward, mark point C at (4,5) to show he has gone 4 km east. Finally, point D is at (4,0) because he went 5 km south

The displacement is only concerned with two points: The start and end point. Nothing else matters. We started at A(0,0) and ended at D(4,0). So we've gone 4 km east overall. The direction is important when it comes to displacement. Simply saying "4 km" isn't enough. So in a sense, we could take a shortcut from A directly to D, bypassing the other points B and C.

See the diagram below for a visual.

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3 years ago