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4 years ago

What is 28 tiles in 7 ros. (It has to be a divison equation)

Mathematics

1 answer:

raketka [301]3 years ago

8 0

If 28 tiles is placed in 7 rows then each row has 4 tiles.

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

The total number of tiles given =28.

The number of rows = 7.

The number of tiles in each row is given by diving the total number of tiles given by the number of rows.

No of tiles in each row= $\frac{total number of tiles}{number of rows}$ .

No of tiles in each row = $\frac{28}{7}$ .

No of tiles in each row = 4.

Note: You can replace the values according to the given values.

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The point (3,2) reflected in the x-axis is (

ioda

Answer:

reflected across the x-axis is 3,-2 and the y axis is -3,2

Step-by-step explanation:

When you reflect over the X axis it will stay the same numbers but change the Y axis sign. the same thing happens to the y -axis but the x changes siogns instead

8 0

3 years ago

What is the sum of the first 50 terms of the series 2 + 17 + 32 + 47+ ...?

Alex

Answer:

$\huge\boxed{18,475}$

Step-by-step explanation:

The terms of this sum make the arithmetic sequence.

The fomula of a sum of <em>n</em> terms of an arithmetic sequence:

$S_n=\dfrac{[2a_1+(n-1)d]\cdot n}{2}$

We have

$a_1=2\\d=17-2=32-12=47-32=15\\n=50$

Substitute:

$S_{50}=\dfrac{[2\cdot2+(50-1)\cdot15]\cdot50}{2}=(4+49\cdot15)\cdot25=(4+735)\cdot25\\\\=739\cdot25=18,475$

3 0

3 years ago

the driving distance between Manchester and London is 195 miles. Faris intends to travel from Manchester to London by coach. The

Dahasolnce [82]

Answer:

7.24pm

Step-by-step explanation:

196+50=3.9h

0.9h=0.9x60mnt=54mnt

3.9h=3h 54mnt

3:30pm+3h 54mnt

3:30pm+3h 54mnt=7.2pm

3 0

3 years ago

(Algebra II) Standard Form of a Quadratic Function - I'm having trouble with two questions on this quiz? Please don't just give

anastassius [24]

1.
the x value of the vertex in form
ax^2+bx+c=y
is
-b/2a
so

-2x^2+8x-18
x value of vertex is
-8/(2*-2)=-8/-4=2

plug it in to get y value
-2(2)^2+8(2)-18
-2(4)+16-18
-8-2
-10

vertex is at (2,-10)
or you could complete the square to get into y=a(x-h)^2+k, where the vertex is (h,k)
so as follows
y=(-2x^2+8x)-18
y=-2(x^2-4x)-18
y=-2(x^2-4x+4-4)-18
y=-2((x-2)^2-4)-18
y=-2(x-2)^2+8-18
y=-2(x-2)^2-10
vertex is (2,-10)

5.
vertex is the time where the speed is the highest
at about t=10, the speed is at its max

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3 years ago

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PLS HELP NEED DESPERATELY ALL WORK SHOWN PLS

stich3 [128]

Answer:

yes

Step-by-step explanation:

yes

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3 years ago