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3 years ago

5th grade math. correct answer will be marked brainliest

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

7 0

15 you split it in half as it goes down

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1. x=1/(root3-root2). find rootx-(1/rootx) 2. if x=[root(a+2b)+root(a-2b)]/[root(a+2b)-root(a-2b]. show that bx^2-ax+b=0

timofeeve [1]

1. x = 1/ ( $\sqrt{3} - \sqrt{2)}$ = $\sqrt{3}+ \sqrt{2}$ ;
( $\sqrt{x} -1/ \sqrt{x} )^{2} = x + 1/x - 2 =$ =

6 0

3 years ago

Read 2 more answers

Please help me i have a test in 15 minutes please say a b c or d it’s the top one

ivanzaharov [21]

Its b !!!!!!!!!!!!!!!!!!!!!!!!!!!!!

6 0

2 years ago

3) Solve the problem using your graphing calculator. Round all para meter values to the nearest hundredth.

Mama L [17]

Answer:

mmm, well, not much we can do per se, you'd need to use a calculator.

I'd like to point out you'd need a calculator that has regression features, namely something like a TI83 or TI83+ or higher.

That said, you can find online calculators with "quadratic regression" features, which is what this, all you do is enter the value pairs in it, to get the equation.

Step-by-step explanation:

8 0

2 years ago

What percentage is 285 feet of an acre

Aleksandr-060686 [28]

Since there are 43560 feet in an acre, 285 feet is 0.654% of an acre.
Hope this helps!

6 0

3 years ago

Read 2 more answers

10 points help due tomarrow

strojnjashka [21]

Answer:

$\boxed{0.2}$

Step-by-step explanation:

Convert $\dfrac{12}{60}$ to a decimal

Step 1. Reduce the fraction to its lowest terms.

Divide both numerator and denominator by their greatest common factor (12)

$\dfrac{12}{60} =\dfrac{1}{5}$

Step 2. Convert the denominator to a power of 10

Multiply both numerator and denominator by 2.

$\dfrac{1}{5} \times \dfrac{2}{2} = \dfrac{2}{10}$

Step 3. Divide the numerator by the denominator

Dividing by 10 moves the decimal point one place to the left.

$\dfrac{2}{10} = \boxed{0.2}$

4 0

3 years ago