help me please!!!!!!!​

The value of fraction 0.5 7  is equal to 1/2.

We are given that;

Number = 0.57

Now,

There are different ways to express a fraction as a decimal, but one common method is to divide the numerator by the denominator.

For example, 1/2 as a decimal is 1 ÷ 2 = 0.512.

Another method is to use a fraction to decimal conversion chart or calculator345. According to these sources, 0.5 as a fraction is equal to 5/10 or 1/2.

These fractions are equivalent because they have the same value when simplified or reduced.

To simplify a fraction, we can divide both the numerator and the denominator by their greatest common factor (GCF).

Therefore, by algebra the answer will be 1/2.

More about the Algebra link is given below.

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Answer:

5+2=7

Step-by-step explanation:

Answer:

[tex](8x^2)^3\\= 512x^6[/tex]

You have to multiply the whole equation by cubed, since the parenthesis applies for the entire equation.

Answer:

-3, -0.5, 1 3/4, 3

Step-by-step explanation: in a number line negative is always less than positive so the bigger the negative number the more is goes down on the number line so that's why -3 is smaller then -0.5 because -0.5 is closer to positive than -3

Answer:

E

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

8 white balloons

56 balloons in total

8:56 = 1:7

Answer:

A) 0

B) 0

C) 0

D) 0.5

Step-by-step explanation:

We are told that Men have XY (or YX) chromosomes and women have XX chromosomes

A) If a father has the defective x chromosome and the mother has good XX chromosomes, the four possible outcomes will be;

{xX, YX, YX, xX}

The outcome for the son is;

{YX, YX}

The son will have the disease only if it's xY. Thus, probability of son having the disease is; 0/2 = 0

B) If a father has the defective x chromosome and the mother has good XX chromosomes, the four possible outcomes will be;

{xX, YX, YX, xX}

The outcome for the daughter is;

{xX, xX}

The daughter will have the disease only if it's xx. Thus, probability of daughter having the disease is; 0/2 = 0

C) If a mother has one defective x chromosome and one good Xchromosome, and the father has good XY chromosomes, the possible outcomes are;

{xX, xY, XX, XY}

Outcome for daughter is {xX, XX}

The daughter will have the disease it's xx. Thus, probability of daughter having the disease is; 0/2 = 0

D) If a mother has one defective x chromosome and one good Xchromosome, and the father has good XY chromosomes, the possible outcomes are;

{xX, xY, XX, XY}

The male outcome is;

{XY, xY}

The son will have the disease only if it's xY. Thus, probability of son having the disease is; 1/2 = 0.5

Answer:

b

Step-by-step explanation:

Answer:13/50

Step-by-step explanation:

Answer: 26/100 or 13/50

Step-by-step explanation: 0.26 means in word form 26 hundreths. so you put 26 over 100. its your choice if you want to simplify though

Answer:

Step-by-step explanation:

Solving exponents

a)

b)

Answer:

D.

Step-by-step explanation:

I got it right on the test.

Answer:

B

Step-by-step explanation:

3x -2

Answer:  D(3) = 4 miles according to the graph.

Step-by-step explanation:

Look for the 3 on the time scale at the bottom of the graph. Follow the grid line straight up to where it meets the graphed line. Follow the grid line to the distance scale at the left to find the value at that point. It is 4 miles.

Answer:

45 mph = x

Step-by-step explanation:

Engineering manager professional, proficient in all levels of Math

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Distance (D) = Rate (R) * Time (T)

For Car  A:  

D = 30T    {Eqn 1}

For Car B:

The Distance D and the time T is the same as for Car A

But, unlike Car A, Car B travels at two different rates.  It travels at 20mph for a time T1.  Then it passes Car A and travels at a rate of x for a period of time T2.

D = (20T1) + (x * T2)

Note that T2 must equal the total time T minus T1, so

D = (20T1) + (x * (T - T1))    {Eqn2}

Substitute Eqn 1 into Enq 2 :   30T = 20T1 + xT - xT1

Rewrite as:  30T = 20T1 + x(T-T1)  {Eqn 3}

At what point do the two cars pass one another?  

Car A travels 30T1  = D1

Car B is traveling in the opposite direction at 20T1 = D2

D2 = D - D1 (where D is the total circular length of the track)

Substituting, 20T1 = D - 30T1.   Or 50T1 = D   {Eqn 4}

Now we can establish a relationship between T and T1 by substituting Eqn1 into Eqn4

D = 30T = 50T1

30T = 50T1

(30/50)T = T1

T1 = (3/5)T   {Eqn 5}

Now substitute Eqn 5 into Eqn 3

30T = 20T1 + x (T-T1)

30T = 20(3/5)T+ x (T - 3/5 T)

30T = 12T +  xT(2/5)

18T = (2/5)x

(5/2)18 = x

45 mph = x

Recall that x is the speed that Car B must travel after it passes Car A.

Answer:

3,000

Step-by-step explanation:

Answer:

3,000

Step-by-step explanation:

Since 4 is less than 5, the digit must not change. Meaning its 3,000

hoped i helped and hopefully i didnt sound confusing

Answer:

5.6 miles

Step-by-step explanation:

[tex]\frac{80 minutes}{7 miles} = \frac{64 minutes}{x}[/tex]

80x = 448

x = 5.6 miles

Answer:

0.5

Step-by-step explanation:

[tex] \sqrt{0.25} = \sqrt{ \frac{25}{100} } = \frac{5}{10} = 0.5 \\ [/tex]

Answer:

0.5

Step-by-step explanation:

√

0.25

⇒

√

0.5

×

0.5

⇒

√

(

0.5

)

2

⇒

0.5

Answer: k=3

Step-by-step explanation:

To solve for k, you want to isolate k.

[tex]\frac{2}{5} (5k+35)-8=12[/tex]            [add both sides by 8]

[tex]\frac{2}{5} (5k+35)=20[/tex]                  [multiply both sides by 5/2]

[tex]5k+35=50[/tex]                       [subtract both sides by 35]

[tex]5k=15[/tex]                               [divide both sides by 5]

[tex]k=3[/tex]

Now, we know that k=3.

Answer:

13 1/2

Step-by-step explanation:

Answer:

B (-5, 3)

Step-by-step explanation:

The line a passes through point ( 2,3 ).

Line b has equation y= -1

Plot the graph for line b, y=-1 , which is a horizontal line as shown in the attached graph

Plot point (2, 3) and draw the graph of line a, y=3 to form a line a parallel to line b

You will notice that point B (-5, 3) is the one the lies on line a.

The answer option A,(2,9) is incorrect  because it does not lie on any of the lines

The answer option C (0, 1) is incorrect because it lies along the y-axis

The answer option D (1, 4) is incorrect because it does not lie on any of the lines.

Answer:

[tex]\boxed{x=10}[/tex]

Step-by-step explanation:

We are given two angles, which together, have a sum of 90°. We call these complementary angles. The angle ∠EAF is the complement of angle ∠FAB and vice versa.

Therefore, because they sum up to be 90°, we can simply add the angles together and solve for x this way.

[tex]4x+5x=90\\\\9x = 90\\\\\frac{9x}{9} = \frac{90}{9}\\\\\boxed{x = 10}[/tex]

The variable x equals 10. We can go even further to check and verify that this is correct by substituting our original value for x into the equation.

[tex]4(10)+5(10)=90\\\\40 + 50 = 90\\\\90 = 90[/tex]

90 does in fact equal 90, so your final answer is x = 10°.

Hope this helps! :)

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[tex]2 \times 24 = 48[/tex]

Thus we have 48 pencils in all.

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[tex]5000 - (2265 + 2150) = [/tex]

[tex]5000 - 4415 = [/tex]

[tex]585 \: \: dollors[/tex]

Thus the shopkeeper returned her 585 $.

Answer:

-The force on an object due to it's mass and gravity

Answer:

81,000,000

Step-by-step explanation:

(3²)² × (10³)²

(9)² × (1000)²

81 × 1000000

81,000,000

Answer:

1000081

Step-by-step explanation:

=3^6+10^6

=81+1,000,000

Answer:

80 9. 0.5 0.06 0.008 (89.568)

Step-by-step explanation:

9.2568x 10-3 would equal 89.568

Answer:

A. is the answer did you need an explanation

Answer:

-27

Step-by-step explanation:

First, let's call the smallest number: n

Then, the next two consecutive odd numbers would be:

n+2 and n+4 (this is because it's only odd numbers so we add 2)

We know the sum of these is −75 so we can write this equation and solve for n:

n + (n + 2) + (n + 4) = -75

n + n + 2 + n + 4 = -75

n + n + n + 2 + 4 = -75

n + n + n + 6 = -75

1n + 1n + 1n + 6 = -75

3n + 6 = -75        Subtract 6 from each side, which cancels the 6 on the left.

3n + 6 - 6 = -75 - 6

3n = -75 - 6

3n = -81       Divide each side by 3

3n/3 = -81/3

n = -81/3

n = -27

n + 2 = -27 + 2 = -25

n + 4 = -27 + 4 = -23

The 3 consecutive odd integers would be:

-27, -25, -23

Let's check our work:

-27 + -25 + -23 = -75    We are correct!

The smallest number is -27

Answer:

allen

Step-by-step explanation:

Answer:

58 lbs

Step-by-step explanation:

if it weighs 1 pounds on earth, it weighs 0.4 pounds on Mars. So multiply 145 by 0.4 to get the answer