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konstantin123 [22]
4 years ago
11

Which of the following statements are true.

Mathematics
1 answer:
vivado [14]4 years ago
6 0
B because if you simplify 9/15 by 3 you have 3/5
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Please assist me with this
svp [43]

Answer:

<h2>The answer is option A</h2>

Step-by-step explanation:

To find the value of x when y = 24, we must first find the relationship between them

<h3>y \:  \:  \alpha  \:  \:  \frac{k}{ \sqrt{x} }</h3>

where k is the constant of proportionality

when

x = 16

y = 2

Substitute the values into the above formula and solve for k

That's

<h3>2 =  \frac{k}{ \sqrt{16} }  \\ 2 =  \frac{k}{4}</h3>

Cross multiply we have the answer as

k = 8

So the formula for the variation is

<h3>y =  \frac{8}{ \sqrt{x} }</h3>

Now when y = 24

We have

<h3>24 =  \frac{8}{ \sqrt{x} }  \\ 24 \sqrt{x}  = 8 \\  \sqrt{x}  =  \frac{8}{24}  \\  \sqrt{x}  =  \frac{1}{3}</h3>

Square both sides

<h3>( { \sqrt{x} })^{2}  = ( { \frac{1}{3} })^{2}</h3>

We have the final answer as

<h2>x =  \frac{1}{9}</h2>

Hope this helps you

5 0
3 years ago
Acellus
navik [9.2K]

Answer:

ASA

Step-by-step explanation:

In ΔBAD , ΔBCE

∠BAD = ∠BCE

AD= EC             { GIVEN}

∠ABD = ∠CBE    { COMMON TO BOTH TRIANGLES}

7 0
4 years ago
Which values for x and y make the statement (x+3)(y-11)=0 true?
eimsori [14]
The first one is the correct answer
4 0
3 years ago
Read 2 more answers
Subtract 98.03 – 7.675<br> a) 21.28<br> b) 90.355<br> c) 91.672<br> d)21.22
Alex

Answer:

90.335

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Solve the equation for x^2=<br> 625
docker41 [41]

Answer:

x = ±25

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

<u>Algebra I</u>

  • Multiple Roots

Step-by-step explanation:

<u>Step 1: Define</u>

x² = 625

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Square root both sides:                    x = ±25

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

x = -25

  1. Substitute in <em>x</em>:                    (-25)² = 625
  2. Exponents:                          625 = 625

Here we see that 625 does indeed equal 625.

∴ x = -25 is a solution to the equation.

x = 25

  1. Substitute in <em>x</em>:                    25² = 625
  2. Exponents:                          625 = 625

Here we see that 625 does indeed equal 625.

∴ x = 25 is a solution to the equation.

8 0
3 years ago
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