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3 years ago

Are the ratios 1:3 and 4:5 equivalent? yes or no

Mathematics

2 answers:

oksian1 [2.3K]3 years ago

8 0

Nope 3 does not go into 5

yaroslaw [1]3 years ago

5 0

Answer:

No, they are not.

Remember, a ratio can be written as a fraction. So 1:3 is the same as 1/3 and 4:5 is the same as 4/5.

1/3 = 0.33

4/5 = 0.8

As you can see the both don't equal the same numbers, so they aren't equivalent.

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A craftsman is making a dulcimer with the same dimensions as the one shown. The surface shown requires a special, more durable t

Bogdan [553]

Answer:

$\displaystyle A=\frac{3h^2}{2}+h$

Step-by-step explanation:

Area of trapezoid

Given a trapezoid shape whose parallel sides measure b1 and b2 and whose height (perpendicular to the base) is h, then the area of the trapezoid is given by

$\displaystyle A=\frac{b_1+b_2}{2}\cdot h$

The dulcimer has the following dimensions

$b_1=2h+1$

$b_2=h+1$

and height h

Thus

$\displaystyle A=\frac{2h+1+h+1}{2}\cdot h=\frac{3h+2}{2}\cdot h$

Operating

$\displaystyle A=\frac{3h^2+2h}{2}=\frac{3h^2}{2}+h$

$\boxed{A=\frac{3h^2}{2}+h}$

Is the required polynomial

8 0

3 years ago

Last week, mallory flew two round trips. They were 3,720 miles and 5,985 miles. Select all of the choices that are good estimate

SVETLANKA909090 [29]

Answer:

Mallory flew in total 10,000 miles, rounded :D

Step-by-step explanation:

Since we're using rounding to place values, first we have to have the total amount of miles flown by Mallory, so we make the sum:

3,720 + 5,985 = 9,705 miles

then, we have to round thefirst digit to the right following this rule

0-4 is rounded down

5-9 is rounded up

now, since the number we want to round is the first digit on the left (9), and following the rules above, we change the "9" for a "10". the rest of the numbers are now transformed into zeros (0)

9,705 >>> rounding it up >>> 10,000

Let me know if you have any questions XD

8 0

3 years ago

When X equals eight, Y equals 20 find Y when x equals 42

gavmur [86]

Y is equal to 105 because you divide 42 by 8 and get 5.25 (the amount it increased). then you multiply by its previous version 20 to get 105.

4 0

3 years ago

Read 2 more answers

an airplane takes off 12.5 miles south of a city and flies due north at a constant speed of 170 miles per hour. What is the plan

saveliy_v [14]

75 miles/hr* (45/60) hours=56.25. Initial position is -12.5. Add -12.5 to 56.25 which results in 43.75 miles due north.

6 0

4 years ago

Garrett brown bought $200,000 of term life insurance at the rate of $5.40 per thousand dollar unit how much is the annul premium

EleoNora [17]

Answer:

The annual premium will be = $1080

Step-by-step explanation:

Total life insurance term amount = $200,000

The term life insurance rate per $1000 = $5.40

Let’s divide total term amount i.e. $200,000 by $1000 unit to get the total number of $1000 units in $200,000

So, $200,000 ÷ $1000 = 200

So, it is clear that 200 would be the total number of $1000 units in total term life insurance amount of $200,000.

Therefore, if rate per unit $1000 is $5.40, then we must have to multiply $5.40 by 200 to find the annual premium as the total number of $1000 units in total term life insurance amount

of $200,000 is 200.

So, $5.40 × 200 = $1080

Hence, the annual premium will be = $1080

Keywords: insurance, premium, annual premium

Learn more about insurance and annual premium from brainly.com/question/6108036

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3 0

3 years ago