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topjm [15]
3 years ago
7

Draw a quick picture to show the number 24. Then draw a quick picture to show 24 after you have regrouped 1 ten as 10 ones. Expl

ain how both pictures show the same number, 24.

Mathematics
2 answers:
Andrews [41]3 years ago
7 0
<span>Just draw 24 circles, or sticks, or stars, and then draw 10 little squares in a row twice, and 4 separate square. In the explanation say that there are 24 of whatever shape or thing you decided to draw and, for the regrouped say that 10+10+4=24 </span>
MaRussiya [10]3 years ago
6 0

Answer:


Step-by-step explanation:

Refer the attached figure.

Total no.of pink triangles = 24

Let first 10 triangles be a circle

⇒ red circle = 10 triangles

Then let second ten triangles be a square

⇒blue square = 10 triangles

So, Remaining triangles = 4

Thus circle+square+4 triangles=10+10+4  

                                                    =24

Hence This is a quick picture to show 24 after you have regrouped 1 ten as 10 ones

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a bullet fired from a gun traveled 3,600 m south in 6.0 seconds. What was its velocity in (a) m/sec and (b) km/hour?​
SSSSS [86.1K]

Step-by-step explanation:

Velocity = Displacement/Time

a) Velocity in m/s = 3600m/6s

= 600m/s

b) (Converting m into km)

1000m = 1km

3600m = ?

3600/1000 = 3.6km

(Converting secs to hours)

1mins = 60secs

60mins = ?

60 * 60 = 3600 secs

This means there are 3600 secs in 1 hour

3600secs = 1hour

6.0 secs = ?

6.0/3600 = 0.00167 hours (approximately)

Velocity in km/h = 3.6km/0.00167h

= 2155.69km/h (approximately)

In summary...

a) 600m/s

b) 2155.69km/h

5 0
3 years ago
Hey, can anyone help me with part A??
LekaFEV [45]

9514 1404 393

Answer:

  3.75 cm

Step-by-step explanation:

Corresponding sides are proportional.

  CD/BC = BC/AB

  CD = (BC)²/AB . . . . . multiply by BC

  CD = (6 cm)²/(9.6 cm) = (36/9.6) cm

  CD = 3.75 cm

3 0
2 years ago
Mr. Lamb built a stone walkway in his back yard. Each stone was 5/6 foot long. How many stones did it take him if the walkway wa
hodyreva [135]
5/6 *10 = 8 1/3 stones
4 0
3 years ago
I need help with these two
djyliett [7]

Answer:

Part 1) Slope-intercept form

Part 2) The slope of 2.20 tells me the rate per mile and the y-intercept of 2.50 tells me the flat fee

Step-by-step explanation:

Part 1) we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate

b is the y-intercept or initial value

In this problem we have

y=2.50+2.20x

This is a linear equation in slope intercept form

where

m=2.20

b=2.50

Part 2) we have that

x -----> represent the number of miles

y ----> represent the total charge in dollars

The slope is

m=\$2.20\ per\ mile ---> unit rate

The y-intercept is

b=\$2.50 ----> initial value or flat fee

therefore

The slope of 2.20 tells me the rate per mile and the y-intercept of 2.50 tells me the flat fee

4 0
3 years ago
What are the focus and directrix of the parabola with the equation y=1/12 x^2
Nataly [62]
<h2>Answer:</h2>

\boxed{y=-3}

<h2>Step-by-step explanation:</h2>

The graph of this parabola is shown below. From this graph we know that:

VERTEX:

(h,k)=(0,0)

DIRECTIX:

Since the vertex lies on the origin and the parabola opens upward, then the standard form of this parabola is:

x^2=4py

So:

y=\frac{1}{12}x^2 \\ \\ \therefore 12y=x^2 \ or \ x^2=12y \\ \\ \\ Then: \\ \\ 4p=12 \therefore p=3

Then the directrix is:

y=k-p \\ \\ \therefore y=0-3 \therefore \boxed{y=-3}

4 0
3 years ago
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