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3 years ago

The ratio of children to teachers at the preschool is 14:5 how many children are at the preschool if there are 30 teachers

Mathematics

2 answers:

Digiron [165]3 years ago

7 0

Answer:

Step-by-step explanation:

5 teacher for 14 students

30 teachers for z students

do crisscross to get the value of z

==> 30x14= 5z

==> z=84

amm18123 years ago

6 0

Answer:

84 i prettt sure but i dont rly kno so check first plz

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postnew [5]

Answer:88/100

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

The park shown is in the shape of a square. Is the perimeter rational or irrational? Area = 24,200 yd 2

dangina [55]

Answer:

irrational

Step-by-step explanation:

A = s^2

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3 years ago

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I am Lyosha [343]

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3 years ago

h(x)= \dfrac{1}{8} x^3 - x^2h(x)= 8 1 x 3 −x 2 h, left parenthesis, x, right parenthesis, equals, start fraction, 1, divided b

Nesterboy [21]

Answer:

$\dfrac{1}{2}$

Step-by-step explanation:

Given the function $h(x)=\dfrac{1}{8}x^3-x^2$

The average rate of change of the function h(x) over the interval $a\le x\le b$ can be calculated using formula

$\dfrac{h(b)-h(a)}{b-a}$

In your case,

$a=-2,\\ \\b=2,$

so the average rate of change is

$\dfrac{h(2)-h(-2)}{2-(-2)}\\ \\=\dfrac{(\frac{1}{8}\cdot 2^3-2^2)-(\frac{1}{8}\cdot (-2)^3-(-2)^2)}{4}\\ \\=\dfrac{(1-4)-(-1-4)}{4}\\ \\=\dfrac{-3+5}{4}\\ \\=\dfrac{2}{4}\\ \\=\dfrac{1}{2}$

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3 years ago