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2 years ago

Decrease 20 sec by 20%

1 answer:

4 0

Answer: 16 seconds
To decrease it by 20% percent,
We need to first find amount by:
=20*100/20
=4
Therefore 20% of 20 second is 4 seconds
Now let’s decrease it:
20-4
16
Therefore we get 16 second by decreasing 20% of 20 seconds

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3/5×2/7×2/3 Please fallow

olga55 [171]

Answer:

$\frac{12}{105}$

Step-by-step explanation:

$\frac{3}{5}x\frac{2}{7}x\frac{2}{3}$

3x2x2=12

5x7x3=105

$\frac{12}{105}$

6 0

3 years ago

Would really appreciate it... will mark brainliest

d1i1m1o1n [39]

Exponential growth would include, A = 20,000(1.08)^t, A=40(30), P=1700(1.07).

Decay would include, A=80(1/2)^t, A= 1600(.8), P=1700(.93)

Hope this helps.

5 0

3 years ago

Read 2 more answers

Graph y=8.5xy=8.5xy, equals, 8, point, 5, x.

Morgarella [4.7K]

Answer:

A, B, E

Step-by-step explanation:

Given equation

y = 8.5x

Answer choices

A. The equation represents a proportional relationship.

TRUE, it is in the form of y = kx

B. The unit rate of change of y with respect to x is 8.5

TRUE, y = mx + b, the slope m = 8.5 is the rate of change

C. The slope of the line is 2/17

False, the slope is 8.5

D. A change of 17 units in x results in a change of 2 units in y.

False, a change of x = 17 results in 17*8.5 = 144.5 units in y

E. A change of 4 units in x results in a change of 34 units in y.

TRUE, because 4*8.5 = 34

3 0

2 years ago

3 1/2-2/3 help plz its fraction and Idgaf to understand xd

Hatshy [7]

Answer:

2 5/6

Step-by-step explanation:

WE CHANGE 3 1/2 INTO IMPROPER FRACTION WHICH IS 7/2

7/2-2/3=2 5/6

8 0

2 years ago

Read 2 more answers

Josie and Luke have three sunflowers and four bluebonnets. Josie selects a flower at random. Then Luke chooses a flower at rando

muminat

Luke has a 4 out of 7 chance to get a bluebonnet and Josie has a 3 out of 7 chance to get a sunflower

6 0

3 years ago

Read 2 more answers