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Lerok [7]
3 years ago
12

Figure A is a scale image of figure B. Figure A maps to figure B with a scale factor of 2 1/2. What is the value of x? PLEASE AN

SWER ASAP!!

Mathematics
1 answer:
tigry1 [53]3 years ago
3 0

Answer:

x = 2

Step-by-step explanation:

Figure B = 2½ the size of figure A

One side of figure B is given as 5, therefore, 5 = 2½ of x in figure A.

Thus, 5 = 2\frac{1}{2}*x

Solve for x

5 = \frac{5}{2}*x

5*2 = \frac{5x}{2}*2

10 = 5x

\frac{10}{5} = \frac{5x}{5}

2 = x

x = 2

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What is the answer? Please
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Answer:

i would say the 3rd one

Step-by-step explanation:

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6 0
3 years ago
What is the solution to sqrt 17-x=x+3? Show your work.
snow_lady [41]

Answer:

x=1

Step-by-step explanation:

Remember:

(\sqrt[n]{a})^n=a\\\\(a+b)=a^2+2ab+b^2

Given the equation \sqrt{17-x}=x+3, you need to solve for the variable "x" to find its value.

You need to square both sides of the equation:

(\sqrt{17-x})^2=(x+3)^2

17-x=(x+3)^2

Simplifying, you get:

17-x=x^2+2(x)(3)+3^2\\\\17-x=x^2+6x+9\\\\x^2+6x+9+x-17=0\\\\x^2+7x-8=0

Factor the quadratic equation. Find two numbers whose sum be 7 and whose product be -8. These are: -1 and 8:

(x-1)(x+8)=0

Then:

x_1=1\\x_2=-8

Let's check if the first solution is correct:

\sqrt{17-(1)}=(1)+3

4=4 (It checks)

Let's check if the second solution is correct:

\sqrt{17-(-8)}=(-8)+3

5\neq-5 (It does not checks)

Therefore, the solution is:

x=1

3 0
3 years ago
How many tiles of 10cm by a 6cm will be needed to pave a rectangular path of 5m by 3m
kherson [118]

Answer:

2500 tiles

Step-by-step explanation:

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path= 500 cm x 300 cm

path area = 150,000 cm^2

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150,000/60 = 2500 tiles

6 0
2 years ago
Find log1/4 rounded to the nearest hundredth.
erastovalidia [21]

Answer:

-log_4

Step-by-step explanation:

4 0
2 years ago
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