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Sergeeva-Olga [200]
3 years ago
5

Round 38.7 too ok the nearest whole. Use place value understanding and a number line to show your thinking

Mathematics
2 answers:
kobusy [5.1K]3 years ago
6 0

Answer:

39

Step-by-step explanation:

so you look at decimal and if it is 5 or above you round up 1 and if it is 4 or below it stays the same

Romashka [77]3 years ago
6 0

Answer:

The nearest whole number would be 39. Round 7 up to the next number, which is 39.

On a number line plot the point 38.7 and draw an arrow to 39.

Tansley-Moderator

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Which method will NOT get you to the point (4,3.5)?
lesantik [10]

Answer:

A. Starting at the origin, go 3.5 spaces to the right and then 4 spaces up.

Step-by-step explanation:

if you were to plot this then the point would be (3.5,4) instead of (4,3.5)

3 0
3 years ago
1+4(6p-9) simplified
snow_lady [41]

Answer

24p+ (-31)

Step-by-step explanation:

  1. P.EM.D.A.S
  2. 4*6p=24p
  3. 4*-9=-36
  4. now it looks like: 1+4+24p+-36
  5. now for addition 1+4+24p+-36= 24p+ (-31)
5 0
3 years ago
What is 20% of 180<br>please i realy need to answer this​
blagie [28]

Answer:

36

20 percent * 180 =

(20:100)* 180 =

(20* 180):100 =

3600:100 = 36

Now we have: 20 percent of 180 = 36

Question: What is 20 percent of 180?

Percentage solution with steps:

Step 1: Our output value is 180.

Step 2: We represent the unknown value with $x$.

Step 3: From step 1 above,$180=100\%$.

Step 4: Similarly, $x=20\%$.

Step 5: This results in a pair of simple equations:

$180=100\%(1)$.

$x=20\%(2)$.

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

$\frac{180}{x}=\frac{100\%}{20\%}$

Step 7: Again, the reciprocal of both sides gives

Step-by-step explanation:

Hope it is helpful.....

3 0
3 years ago
Help me, Thanks!!
Marrrta [24]

2.) dT/dt = -t^2 + 3t

dT = (-t^2 + 3t)dt

T = -t^3/3 + 3t^2/2 + C

at 4:00 AM

80 = -4^3/3 + 3*4^2/2 + C

C = 80 + 4^3/3 - 3*4^2/2

C = 77.33

T = -t^3/3 + 3t^2/2 + 77.33

at 8:00 AM

T = -8^3/3 + 3*8^2/2 + 77.33

T = 2.67 deg

5 0
3 years ago
A large explosion causes wood and metal debris to rise vertically into the air with an initial velocity of 96 feet per second. T
Vladimir [108]

Answer:

the height after 2 seconds will be 128 feet

Step-by-step explanation:

Data provided in the question:

Initial velocity = 96 feet per second

The function of height of falling debris above the ground is given as:

h(t) = 96t - 16t²

A) To find height after time t = 2 seconds

substituting the value of time in the above function, we get

h(t) = 96 × 2 - 16 × 2²

or

h(t) = 192 - 16 × 4

or

h(t) = 192 - 64

or

h(t) = 128 feet

Hence,

the height after 2 seconds will be 128 feet

5 0
3 years ago
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