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3 years ago

6

The ratio of teachers to students at a school is 3 : 74. There are 2,500 students at the school. About how many teachers are at

the school?

2 answers:

Ivahew [28]3 years ago

5 0

Answer:

Step-by-step explanation:

100

allsm [11]3 years ago

4 0

Well you need to divide to get the answer

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Solve the equation, and check the solutions 2(√x+3)=6.

zhannawk [14.2K]

Answer:

x = 0

Step-by-step explanation:

$2(\sqrt{x}+3)=6$

Expanding the left hand side we get

$\Rightarrow 2\sqrt{x}+6=6$

Taking 6 from left hand side to right hand side

$\Rightarrow 2\sqrt{x}=6-6\\\Rightarrow 2\sqrt{x}=0$

Dividing both sides by 2

$\Rightarrow \sqrt{x}=\frac{0}{2}\\\Rightarrow \sqrt{x}=0\\\Rightarrow x=0$

So, x = 0

4 0

3 years ago

Express (x+9)^2 as a trinomial in standard form.

Andreyy89

Answer:

x^2 + 18x + 81

Step-by-step explanation:

(x+9) (x+9)

then distributive property

5 0

2 years ago

Read 2 more answers

What type of number results when a positive number is divided by a negative number and vice versa.

True [87]

The answer is C.

When a positive and negative number are multipled or divided, the result is negative.

3 0

3 years ago

- Do two points always, sometimes, or never determine a line? Explain

White raven [17]

Answer:

Always

Step-by-step explanation:

if two points lie in a plane, then the entire line containing those points lies in that plane

8 0

3 years ago

The area of the trapezoid

ELEN [110]

Answer:

<h2>A = 82.5 in²</h2>

Step-by-step explanation:

The formula of an area of a trapezoid:

$A=\dfrac{b_1+b_2}{2}\cdot h$

b₁, b₂ - bases

h - height

We have b₁ = 10in, b₂ = 5in and h = 11in. Substitute:

$A=\dfrac{10+5}{2}\cdot11=\dfrac{15}{2}\cdot11=7.5\cdot11=82.5\ in^2$

7 0

4 years ago

Read 2 more answers