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2 years ago

How many screeches are equal to 20 meows? 20 meows = 12 laughs 3 laughs = 2 purrs 40 purrs = 120 screeches

Mathematics

1 answer:

grin007 [14]2 years ago

8 0

Answer:

24 screeches

Step-by-step explanation:

20M=12L=8P=24S

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Pleaseeee helppp meee!!!!

Nostrana [21]

Answer:

4(9a - 4)

Step-by-step explanation:

36a - 16

take common

here 4 is the highest number which can divide noth 36 and 16 exactly

4(9a - 4)

7 0

2 years ago

Read 2 more answers

What is the average rate of change for the table and graph below over the interval [0,3]?

Leokris [45]

Answer:

-2

Step-by-step explanation:

The average rate of change is the slope using the points (0, 10) and (3, 4). The slope is found using the formula $\frac{y2-y1}{x2-x1}$

$\frac{4-10}{3-0}= \frac{-6}{3}=-2$

6 0

2 years ago

Which of the following expressions is equivalent to the expression x - (-3) ?

kolezko [41]

X + 3 because in math two negatives equal a positive

6 0

2 years ago

Cole is studying employment trends.

natali 33 [55]

Answer:

225

Step-by-step explanation:

So we know that 20% of the social workers he surveyed was 45 people. The easiest way to find all 100% of the social workers is to do 45 x 5 because 20% x 5 = 100%. So 45 x 5 = 225.

Hope this helped! :)

3 0

2 years ago

Find the length of the tangent segment AB to the circles centered at O and O' whose radii are a and b respectively when the circ

bixtya [17]

Answer:

$AB=2\sqrt{ab}$

Step-by-step explanation:

From figure,

$OA=a, \quad \quad O'B=b\\\Rightarrow OO'= (a+b) \quad \quad \text{and}\quad OD=(a-b)$

In triangle $OO'D$

$(OO')^2=(OD)^2+(O' D)^2$

$\Rightarrow (a+b)^2=(a-b)^2+(O' D)^2\\\Rightarrow a^2+b^2+2ab-a^2-b^2+2ab=(O' D)^2\\\Rightarrow 4ab=(O' D)^2\\\Rightarrow O'D=2\sqrt{ab} \\\Rightarrow O' D=2\sqrt{ab}=AB \quad \quad [\because O' DAB\;\; \text{is a rectangle.}]$

Hence, $AB=2\sqrt{ab}$

6 0

3 years ago