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Marat540 [252]
3 years ago
13

(solving rates) At a school camp

Mathematics
1 answer:
masha68 [24]3 years ago
4 0
5 days food for 150 students suggests there was 750 day rations

If there was 100 students this would last 750/100 = 7.5 days.

If it ran out after 4 days there were 750/4 = 187 students (187.5 not valid)
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The table shows the last holiday destination of 60 people.
Rzqust [24]

Answer:

Step-by-step explanation:

6 0
3 years ago
Simplify v20<br><img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B20%7D%20" id="TexFormula1" title=" \sqrt{20} " alt=" \sqrt{20} "
torisob [31]
Hey there

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8 0
3 years ago
If a car factory checks 320 cars and 12 of them have defects, how many out of 560 will have defects? Use proportions
Shkiper50 [21]

Answer:

  • Total number of cars having no defection = 539
  • Total number of cars out of 560 will have defects = 560 - 539 = 21

Step-by-step explanation:

As

  • A car factory checks 320 cars, and
  • 12 of them have defects.

Total number of cars = 560

The number of cars defected out of the cars that have

been checked = 320 - 12 = 308

The equation of the scenario will be:

\left[560\:\times \:308\right]\:\div \:320    ⇒    \frac{172480}{320}=539

so

  • Total number of cars having no defection = 539
  • Total number of cars out of 560 will have defects = 560 - 539 = 21
5 0
3 years ago
What is the solution to the inequality? -4/5x is greater than or equal to 1/10
Semenov [28]
-4x/5≥1/10
-8x≥1
x≤-1/8
x∈(-∞;-1/8]
6 0
3 years ago
What is the value of x in the triangle? A. 21 B. 10 C. 7 D. 7√3
enyata [817]
A

Working:
Tan(angle)=opposite/adjacent
Tan60 = x/7root3
x=7root3 x Tan60
Enter in calculator
x=21
4 0
2 years ago
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