Ms.beatly Is trying to get healthy and starts running in the morning.She is able to run 5 miles in 45 minutes how many how many minutes does is for her to run 1 miles

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Work Shown:

x = brother's age, which is some positive whole number

x-6 = sister's age, since she is 6 years younger than her brother

The product is the result of multiplication, so we multiply x and (x-6) to get 135

x*(x-6) = 135

x^2-6x = 135

x^2-6x-135 = 0

Use the quadratic formula to solve from here

We plug in a = 1, b = -6, c = -135

[tex]x = \frac{-b\pm\sqrt{b^2-4ac}}{2a}\\\\x = \frac{-(-6)\pm\sqrt{(-6)^2-4(1)(-135)}}{2(1)}\\\\x = \frac{6\pm\sqrt{576}}{2}\\\\x = \frac{6\pm24}{2}\\\\x = \frac{6+24}{2}\ \text{ or } \ x = \frac{6-24}{2}\\\\x = \frac{30}{2}\ \text{ or } \ x = \frac{-18}{2}\\\\x = 15\ \text{ or } \ x = -9\\\\[/tex]

x represents the brother's age, in years. So x must be positive.

Since x must be positive, this means we rule out x = -9

The value x = 15 is the only practical solution.

If x = 15, then x-6 = 15-6 = 9

The brother is 15 years old and the sister is 9 years old.

The product of their ages is 15*9 = 135, which confirms the answers.

The quotient of the given fractions is 9/44.

Given that, [tex]1\frac{1}{2}\div 7\frac{1}{3}[/tex].

The first step to dividing fractions is to find the reciprocal (reverse the numerator and denominator) of the second fraction. Next, multiply the two numerators. Then, multiply the two denominators. Finally, simplify the fractions if needed.

The given mixed fractions can be written as, [tex]1\frac{1}{2}=\frac{3}{2}[/tex] and [tex]7\frac{1}{3}=\frac{22}{3}[/tex]

Now, 3/2 ÷ 22/3

=3/2 × 3/22

=9/44

Therefore, the quotient of the given fractions is 9/44.

To learn more about the fractions visit:

https://brainly.com/question/10354322.

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Answer:

68°

Step-by-step explanation:

90°(right angle)-22°(angle 5 measurement) = 68°

Answer: the answer is 2.64 or 264

Explanation: if you multiply 3.3 × 0.8=264 but if you mulyiply 33×8=264

Step-by-step explanation:

I think it would be c if not D

The simplification of the given expression using laws of exponents is: 80x⁸

Some of the laws of exponents are:

- When multiplying by like bases, keep the same bases and add exponents.

- When raising a base to a power of another, keep the same base and multiply by the exponent.

- If dividing by equal bases, keep the same base and subtract the denominator exponent from the numerator exponent.  

The expression we want to solve is given as:

4x²√(5x⁴) * 3√(5x⁸)

Using the concept of laws of exponents, this simplifies as:

4x² * x² * 3x⁴ * 5

= 80x⁸

Read more about Laws of Exponents at: brainly.com/question/11761858

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Answer:

Autumn spends $44.95 On hats. Why would she need 5 hats? I don’t know.

Step-by-step explanation:

5 hats, all costing $8.99

You do 5*8.99, and this gives you $44.95

Answer:

5 x 8.99 = 44.95

Step-by-step explanation:

Answer:

There were 16 ounces of Cat Food after 24 days.

Answer:

si, todos los números naturales son enteros

Answer:

what are there any numbers

Step-by-step explanation:

Answer:

1/2(l1+l2) is the area of trapezium

Answer:

A=a+b /2h

Step-by-step explanation:

Answer:

1. True

2. True

3. False

Step-by-step explanation:

1. As long as a few of the animals reproduce the species should survive unless a terrible tragedy were to happen and all of the species lie with a d because their food ran out or their predators Drilled with a k them all. Honestly I am not sure about this question that much an even though these are fifth grade problems I am in fifth grade right now so yeah.

2. I did a quick search about this and I also used some of my logic and it would not make since if animals were to hang out in dry vernal pools. Unless there are animals out in the world that like living in stead plants and dried up water it would not make much since to choose false.

3. Scientists knowledge are growing every day so it is impossible to know everything about one subject because there is always more to learn.

Answer:

as it a cyclic quadrilateral

its opposite sides sum be 180

z/2+z/4+30=180

2z+z/4=150

3z/4=150...z=200

angles...

b=z/2=200/2=100

d=80

e=200-59=141

c=180-141=39

Answer:

h = 5.318 m

Step-by-step explanation:

6.5/11 = h/9

0.5909 = h/9

h = 5.318

Answer:

Height: 5.32

Step-by-step explanation:

Area=29.24

Heron's Formula

Answer:

50 - 10 = 40 = x

Good luck!

Answer:

40

Step-by-step explanation:

50-10=40=x

40+10=50 40=x

Answer:

4y+5=3x, 4 y + 5 = 3 x .

Step-by-step explanation:

Please give thanks to all my answers and please mark as brilliant and please follow me

Step-by-step explanation:

Answer:

Step-by-step explanation:

Each vertex will appear on the other side of the line y=x a the exact same distance that it originally had to the line.

Answer:

B:y6 yan ang. answer wag puro brainy

Answer:

61.52

Step-by-step explanation:

5.66+ 13.75 + 6.76 + 4.59 + 5.66+ 6.76 + 13.75 +4.59

Answer:

61.52

Step-by-step explanation:

Given the values, you can solve for the remaining sides.

a + c will equal the side on the right and b + d will equal the side at the top.

So 2(a+c) + 2(b+d) will give the perimeter.

2(5.66+6.76) + 2(13.75+4.59) = 24.84 + 36.68 = 61.52

Step-by-step explanation:

15=3

35=x

15x=3×35

x= 3×35÷15

x=105÷15

x=7

Answer:

x = 30

m<2 = 94°

m<3 = 94°

Step-by-step explanation:

✔️m<2 = m<3 (vertical angles)

4x - 26 = 3x + 4 (substitution)

Collect like terms

4x - 3x = 26 + 4

x = 30

✔️m<2 = 4x - 26

Plug in the value of x

m<2 = 4(30) - 26

m<2 = 94°

✔️m<3 = 3x + 4

m<3 = 3(30) + 4

m<3 = 94

Set up 2 equations:

Total items sold: x + y = 300

This gets rewritten as x = 300-y

The second equation is for total amount made:

2.50x + 1.50y = 522

Replace x in the 2nd equation with the value of x from the first one:

2.50(300-y) + 1.50y = 522

Simplify:

750 - 2.50y + 1.50y = 522

Combine like terms:

750 - y = 522

Subtract 750 from both sides:

-y = -228

Divide both sides by -1 ( to make y positive)

y = 228

Now replace y in the first equation to solve for x:

x+ 228 = 300

Subtract 228 from both sides:

x = 72

He sold 72 bags of popcorn and 228 sodas.

Answer:

no........... is not the answer

Answer:

1. 6

2. 15

3. 11

Step-by-step explanation:

Answer:

y+3=4(x-1)

Step-by-step explanation:

y-y1=m(x-x1)

y-(-3)=4(x-1)

y+3=4(x-1)

Answer:

4

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

Answer:

8n+12=36, triplets are 8 years old

Step-by-step explanation:

total age is 36

one of them is 12 years old so -> 36-12 = 24

three triplets so 24/3 = 8

there are three 8 years olds and one 12 year old. n = 3

Answer:

Step-by-step explanation:

3n + 12 = 36

3n = 24

n = 8 (the triplets)

another child: 12 years

Answer:

[tex]-6x^6[/tex]

Step-by-step explanation:

We have the expression (3x^2)(-2x^4) and are being asked to solve.

(3x^2)(-2x^4)

When we have this type of question with exponents, it may seem easier to try and solve/simplify the exponents, but here's an easier way, add the exponents and multiply the constant numbers.

Therefore :

2 + 4 are the exponents

^6

and 3 * -2 are the constant numbers

-6

-6x^6

[tex]-6x^6[/tex]

Answer:

6

Step-by-step explanation:

cause 3+3 is 6

thanks for the easy points :3

Answer:

id.kkkkk.. maybe 5.. maybe 6...

:O

Answer:

exponential!!! That is the answer if this is for Khan Academy!!