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3 years ago

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Mathematics

1 answer:

FrozenT [24]3 years ago

6 0

Answer:

D : || ,|||, |V is the answer

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Find the missing value for X

castortr0y [4]

If we assume that BC is bisecting AD, and that AE is half of AD, we can set up the equation:

$2(19)=5x-7$

Then we can solve directly for x:

$38=5x-7$
$45=5x$
$x=9$

So we have then calculated x which is equal to 9.

7 0

2 years ago

Which of these equations has the same solution as the equation x+5= 12?

leva [86]

C, add the 5 in X and it still equals 12

3 0

3 years ago

Read 2 more answers

Six people are standing in line for concert tickets. Their average age is 27. The average age of the first four people in line i

DanielleElmas [232]

The best answer for this question would be:

D. 32

In order to get this, you have to get the sum in the line, which is the first four people. So the solution would be: 4(23) = 92

For getting the sum of the people in the last 3 would be: 3(34) = 102

Next is the sum of everyone which the solution would be: 6(27) = 162

So the initial solution that we have now would be: F + 92 - F + 102- F = 162

- F + 194 = 162

- F = 162 - 194

- F = - 32

The (F) here or the fourth person’s age would be= -32 / - 1 or 32

7 0

2 years ago

Read 2 more answers

Vince has a rectangular rug in his room with an area of 10 ft the length of the rug is 18 inches longer than the width what coul

aev [14]

The length of the rug is 4 ft.

The width of the rug is 2.5 ft.

Explanation:

The area of the rug is 10 ft.

The length of the rug be l.

Let us convert the inches to feet.

Thus, $18 inches = 1.5 ft$

Thus, the length of the rug is $l=1.5+w$

Let the width of the rug be w.

Substituting these values in the formula of area of the rectangle, we get,

$A=length\times width$

$10=(1.5+w)(w)\\10=1.5w+w^2\\w^2+1.5w-10=0$

Solving the expression using the quadratic formula,

$w=\frac{-b \pm \sqrt{b^{2}-4 a c}}{2 a}$

Substituting the values, we have,

$$w=\frac{-15 \pm \sqrt{15^{2}-4 \cdot 10(-100)}}{2 \cdot 10}\\$

$w=\frac{-15 \pm \sqrt{4225}}{20}$

$w=\frac{-15 \pm 65}{2 0}$

Thus,

$w=\frac{-15 + 65}{2 0}\\w=\frac{50}{20} \\w=2.5$ and $w=\frac{-15 - 65}{2 0}\\w=\frac{-80}{20} \\w=-4$

Since, the value of w cannot be negative, the value of w is 2.5ft

Thus, the width of the rug is 2.5ft

Substituting $w=2.5$ in $l=1.5+w$ , we get,

$l=1.5+2.5\\l=4$

Thus, the length of the rug is 4 ft.

4 0

3 years ago

Pleaseeee helpppp ):

tigry1 [53]

Answer:

3.14159265358979323846264338327952884197169393751

3 0

2 years ago