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3 years ago

11

A coffee grinder can grind 1.4 pounds of coffee in one minute.Which model below best represents the number of pounds of coffee i

t can grind in 0.2 minutes?

1 answer:

d1i1m1o1n [39]3 years ago

6 0

I can't see the models, but I can tell you that it can grind 0.7 pounds of coffee in 0.2 minutes.

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P^2 - 17p + 72 factor the trinomial. enter smaller number first ? answer (p+?)(p+?)

klio [65]

Answer:

(p - 8)(p - 9)

Step-by-step explanation:

We need 2 numbers whose product is + 72 and whose sum = -17.

They are -8 and -9

3 0

2 years ago

Please help on number 3 part 1 and part 2 pretty please thanks

Goryan [66]

For the first part you need to find 85% of 16,000. its 13,600. you get this by multiplying .85 by 16,000.

for part two, i don't know how to show the work, but 816 is 96% of 850.

sorry about that, but i hope it helps

7 0

2 years ago

The two men measure the angle of elevation to the highest point on the rock to be 22.6°. They

IgorC [24]

Answer:

15 m

Step-by-step explanation:

<em>Refer to attached picture</em>

The height = h
Angles of elevation 22.6° and 38.3°
Closer distance = d

<u>Use tangent to solve</u>

tan 22.6° = h/(d + 17) ⇒ h = (d + 17) tan 22.6° ⇒ h = 0.42(d + 17)
tan 38.3° = h/d ⇒ h = d tan 38.3° ⇒ h = 0.79d

<u>Compare the equations above and find the value of d:</u>

0.42(d + 17) = 0.79d
0.42d + 7.14 = 0.79d
0.79d - 0.42d = 7.14
0.37 d = 7.14
d = 7.14/0.37
d = 19.3 m

<u>Now find the value of h:</u>

h = 0.79d
h = 0.79*19.3
h = 15

Wave Rock is 15 m tall

3 0

2 years ago

Darren is on a super efficient diet. He started with 210 pounds 2 months ago and he now weighs 150 pounds . Find his percent of

ikadub [295]

Answer:

29%

Step-by-step explanation:

210-150/210 = 60/210 or 6/21

Now we have to find the percent out of 100 so we have to find out 100/21 to see what we have to multiply by to get to 100 so we can do the same with the 2 (numerator) so 1000/21= 4 16/21

then we have to multiply the 6 by 4 16/21 which is about 29%

8 0

2 years ago

Hi got a question!

ivolga24 [154]

Answer:

The container's base is 2 by 2 meters

If it contains 400 liters, its height must be 100 cm

2 x 2 x .10 meters = .4 cubic meters = 400 liters

Step-by-step explanation:

5 0

2 years ago