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3 years ago

9

Help I WILL GIVE BRAINLIEST

1 answer:

const2013 [10]3 years ago

8 0

Answer:

16.6

Step-by-step explanation:

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(9q r+6qr +20g)+(-6qr -qr -11q-4q r)=

Arte-miy333 [17]

4qr+20g-11q hopefully this would help you

6 0

3 years ago

In 2003 the population of Africa was about 7.7 million people which is 2million more than 3 times the population in 1950

shtirl [24]

The answer to the question is 1.9 million in 1950.

5 0

3 years ago

Find the measure of angle x.<br> Х<br> 75°<br> 36<br> x = 180<br> X = 111<br> x= 69<br> X = 75

nikklg [1K]

Sowwy man i just needed the points

4 0

3 years ago

Only number one please help

Alex73 [517]

Answer:

C) 75 + 50x = 25 + 70x

Step-by-step explanation:

ABC Tech:

$50 an hour. So,for x hours= 50 * x = 50x

Service charge = 75 + 50x

Tech Squad:

$70 an hour. So,for x hours= 70 * x = 70x

Service charge = 25 + 70x

C) 75 + 50x = 25 + 70x

50x - 70x = 25 - 75

-20x = -50

x = -50/-20

x =5/2 = 2 $\frac{1}{2}$ hours

6 0

3 years ago

Tanya [424]

Answer:

$2.50$

Step-by-step explanation:

Given

$(x_1,y_1) = (-1,0.8)$

$(x_2,y_2) = (0,2)$

$(x_3,y_3) = (1,5)$

$(x_4,y_4) = (2,12.5)$

Required

The rate of change (b)

The above graph is represented as:

$y = ab^x$

For: $(x_2,y_2) = (0,2)$ ;

We have:

$y = ab^x$

$2 = a * b^0$

$2 = a *1$

$2 = a$

$a = 2$

For $(x_3,y_3) = (1,5)$ ,

We have:

$y = ab^x$

$5 = a * b^1$

$5 = a * b$

Substitute $a = 2$

$5 = 2 * b$

Divide by 2

$2.5 = b$

$b = 2.5$

<em>Hence, the rate of change is 2.50</em>

7 0

3 years ago