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Makovka662 [10]
2 years ago
11

Is 2:4 and 3:8 proportion or not?

Mathematics
1 answer:
serg [7]2 years ago
7 0

Answer:

No

Step-by-step explanation:

While these values are close, they are not equal, so I know the original fractions cannot be proportional to each other. So my answer is: The fractions are not

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Calculate the distance between the points H=(3,-1) and E=(8,-5) in the coordinate plane. Give an exact answer (not a decimal app
tester [92]

Answer: \sqrt{41}

===========================================

Work Shown:

Use the distance formula.

d = \sqrt{(x_1-x_2)^2+(y_1-y_2)^2}\\\\d = \sqrt{(-1-(-5))^2+(3-8)^2}\\\\d = \sqrt{(-1+5)^2+(3-8)^2}\\\\d = \sqrt{(4)^2+(-5)^2}\\\\d = \sqrt{16+25}\\\\d = \sqrt{41}\\\\

Or you could use the pythagorean theorem, which is how the distance formula is set up.

8 0
3 years ago
An object that weighs 24 pounds on Mercury weighs approximately 80 pounds on Earth. A rock weighs 240 pounds on Mercury. What is
AnnyKZ [126]

Answer:

800 pounds.

Step-by-step explanation:

We have been given that an object that weighs 24 pounds on Mercury weighs approximately 80 pounds on Earth. A rock weighs 240 pounds on Mercury. We are asked to find the weight of rock on Earth.

We will use proportions to solve our given problem as proportions state that the ratio between two proportional quantities is equal.

\frac{\text{Weight on Earth}}{\text{Weight on Mercury}}=\frac{80}{24}

Upon substituting our given value, we will get:

\frac{\text{Weight on Earth}}{240}=\frac{80}{24}

\frac{\text{Weight on Earth}}{240}\cdot 240=\frac{80}{24}\cdot 240

\text{Weight on Earth}}=\frac{80}{1}\cdot 10

\text{Weight on Earth}=800

Therefore, the weight of rock on Earth would be approximately 800 pounds.

4 0
3 years ago
mr king is considering a new job. he and his wife sit down and create a list of their monthly expenses, as shown below. which of
koban [17]

Answer:

you didn't include a picture.

Step-by-step explanation:

if you want to include a picture I can try to help you

3 0
1 year ago
ABC is an eqilateral triangle with sides 10cm find the length of the prependicular from A to BC<br>​
il63 [147K]

All sides are equal in an equilateral triangle and the perpendicular bisects the side too.

so BC will be bisected and the segments be 5 each.

you can use Pythagoras theorem to find the altitude length, hypotenuse will be one side of the triangle.

5^2+h^2=10^2

$h^2=100-25=75$

$h=\sqrt{75}=5\sqrt3$

7 0
3 years ago
Maxwell ran4 days last week. He ran 3/8 of a mile each day.How far did he run in all?
Bingel [31]

Answer: 3/2 or 1 .5

Step-by-step explanation:

7 0
3 years ago
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