2 years ago

Please help!!!!!!!!!!

Mathematics

1 answer:

natta225 [31]2 years ago

8 0

if 15 x 1.8 = 27 then

45 x 1.8 = 81

so answer: B) 81

You might be interested in

The length of a rectangle is 1 less than twice the width.

vladimir1956 [14]

$w-width\\2w-1-length\\w(2w-1)=2w^2-w-the\ area\\28\ ft^2-the\ area\\\\\text{The equation:}\\\\2w^2-w=28\qquad\text{subtract 28 from both sides}\\\\2w^2-w-28=0\\\\2w^2-8w+7w-28=0\\\\2w(w-4)+7(w-4)=0\\\\(w-4)(2w+7)=0\iff w-4=0\ \vee\ 2w+7=0\\\\w-4=0\qquad\text{add 4 to both sides}\\\boxed{w=4}\\\\2w+7=0\qquad\text{subtract 7 from both sides}\\2w=-7\qquad\text{divide both sides by 2}\\w=-3.5$

7 0

3 years ago

Read 2 more answers

Plz help me plz it’s really important

Juli2301 [7.4K]

Answer:

The circle at point-2 is not filled which means-2 is not included whereas the circle at point 5 is filled which means 5 is included in the interval of the given line.

The interval notation for the above line

4 0

3 years ago

if Mr Green drives 100 miles in 2 hours. he continues to drive at the same speed if he doesn't stop how long will it take mr gre

Anton [14]

Answer:

8 hours

Step-by-step explanation:

1 - 50 miles

2 - 100 miles

3 - 150 miles

4 - 200 miles

5 - 250 miles

6 - 300 miles

7 - 350 miles

8 - 400 miles

and so on hope this helps

5 0

2 years ago

A glacier receded at a rate of 250 feet

bekas [8.4K]

Answer:3,500

Step-by-step explanation:

8 0

2 years ago

Rob is travelling at a constant speed in a car. He travels 105km in 1 hour and 30 minutes. The speed limit is 80km/h. Is Rob tra

abruzzese [7]

Answer:

Yes.

Step-by-step explanation:

Let's first convert his speed to km/h.

$\frac{105km}{1.5h} = 70\frac{km}{h}$ > $80\frac{km}{h}$ . Therefore, Rob is traveling within the speed limit.

8 0

2 years ago

Please help!!!!!!!!!!​

Please help!!!!!!!!!!