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Afina-wow [57]
3 years ago
11

An 8-foot by 5-foot section of wall is to be covered by square tiles that measure 4 inches on each side. If the tiles are not cu

t, how many of them will needed to cover the wall ?
Mathematics
1 answer:
ExtremeBDS [4]3 years ago
6 0

Answer:

30 tiles

Step-by-step explanation:

SO we need to find the area of the wall so we do

8 feet * 5 feet = 40 feet squared

then we find that area in inches

40*12=480

Now we find the area of the tiles

4*4=16

So now we divide to find how many tiles are needed

480/16=30

Our answer is 30

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What is the common ratio of the sequence?<br> -2, 6, -18, 54....<br> -3<br> -2<br> 3<br> 8
dalvyx [7]

Answer:

-6/-2=-18/-6=54/-18

=3

8 0
3 years ago
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When a number * is divided by 22, the quotient is 74 and the remainder is 0. What will be the quotient when * is divided by 11?
cricket20 [7]

Answer:

The quotient will be 2 this is the answer

4 0
3 years ago
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-3x+3y=12<br> Y=x+4<br> Whats the soultion
lisov135 [29]

The system of equations has infinitely many solutions

<em><u>Solution:</u></em>

<em><u>Given system of equations are:</u></em>

-3x + 3y = 12 ------- eqn 1

y = x + 4 --------- eqn 2

We have to find the solution to the system of equations

We can use substitution method

Substitute eqn 2 in eqn 1

-3x + 3(x + 4) = 12

-3x + 3x + 12 = 12

-3x + 12 = -3x + 12

If we have terms with same terms on both sides of equal sign, then we have infinitely many solutions

Thus the system of equations has infinitely many solutions

5 0
3 years ago
If f(x) = 2x^3 - 14x^2 + 38x -26 and x-1 is a factor of f(x) find all of the zeros of f(x) algebraically.
Anestetic [448]

Answer:

Step-by-step explanation:

First confirm that x = 1 is one of the zeros.

f(1) = 2(1)^3 - 14(1)^2 + 38(1) - 26

f(1) = 2 - 14 + 38 - 26

f(1) = -12 + 38 = + 26

f(1) = 26 - 26

f(1) = 0

=========================

next perform a long division

x -1  || 2x^3 - 14x^2 + 38x - 26 || 2x^2 - 12x + 26

          2x^3 - 2x^2

          ===========

                    -12x^2 + 28x

                     -12x^2 +12x

                     ==========

                                  26x -26

                                  26x - 26

                                 ========

                                      0

Now you can factor 2x^2 - 12x + 26

                                 2(x^2 - 6x + 13)

The discriminate of the quadratic is negative. (36 - 4*1*13) = - 16

So you are going to get a complex result.

x = -(-6) +/- sqrt(-16)

     =============

                 2

x  = 3 +/- 2i

f(x) = 2*(x - 1)*(x - 3 + 2i)*(x - 3 - 2i)

The zeros are

1

3 +/- 2i

8 0
3 years ago
Math need help asap ty po sa makaka sagot
Hatshy [7]
<h2>Answer:</h2>

please see analysis

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

\left\{\right.{ \triangle}\ RST\cong { \triangle}\ DEF

(SSS\ Congruence\ Postulate)

2.\ { \triangle\ CAT\cong { \triangle\ BED\ \left\{\right.Given\left.\ \right\}

\bar{AT}\cong\bar{ED}

\overline{AT}=20

so\ \overline{ED}=20

DE=3x-7=20\rightarrow\ x=9

<em>I hope this helps you:)</em>

4 0
2 years ago
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