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3 years ago

I really need help pls

Mathematics

1 answer:

LenKa [72]3 years ago

6 0

Answer:

Step-by-step explanation:

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Triangles IJK and LMN are similar. Find y using proportions. Explain and show all your steps.

Deffense [45]

Triangles IJK and LMN are similar. Then, the proportion between their similar sides must be equal. That is:

IJ/ML = JK/MN = IK/LN

where:

IJ = x

JK = 54

IK = y

MN = 42

ML = 28

NL = 35

In order to find the value of y, you consider the equation JK/MN = IK/LN, and solve for y, just as follow

JK/MN = IK/LN replace by the values

54/42 = y/35 multiply both sides by 35

(54/42)(35) = y

45 = y

Hence, y = 45

4 0

1 year ago

Pls help me!!!! I'm stuck on how to solve this!!??

lisabon 2012 [21]

Let A represent the value of the car after each year.
A= initial value (P)×(1+percent increase(r)) ^time
A=P×(1+r)^t
A=18710×(1+(-12%))^8
A=18710×(1-12%)^8
A=18710×(1-0.12)^8
A=18710×(0.88)^8
A= 6728.7619591115
The best approximation is 6729
Therefore the value of the car will be about $6729 after 8 years
Your answer is B.

4 0

3 years ago

which statement is always true A. the sum of two irrational numbers is rational. B. the product of a rational and irrational num

fomenos

The answer is D hope this helps

4 0

2 years ago

If a wheel of a bicycle covers 440m in 200 rotation. find the area of a wheel.

madreJ [45]

Answer:

7/22

Step-by-step explanation:

Area = 400/200 × 400/200 ×1/4 × 7/22 = 7/22

5 0

3 years ago

Read 2 more answers

Benny wants to make cookies.To make cookies, he needs 7/3 cups of flour per batch of cookies.If Benny has 7 cups of flour, then

Amanda [17]

Answer:

With 7 cups of flour 3.13 batches of cookies can be made.

Step-by-step explanation:

The amount of flour needed per batch of cookies = 7/3 cups

= 2.33 cup

⇒ 1 batch of cookies = 2.33 cup of flour

or the ratio of cookie to flour = 1 : 2.33

Now, the amount of flour Benny has = 7 cups

Let the total batches of cookie made = m

or, ratio of cookie to flour = m : 7

So, by the RATIO OF PROPORTIONALITY:

$\frac{1}{2.23} = \frac{m}{7 }$

⇒ m = 7 /2.23

or, m = 3.13

or, total batches of cookie made = 3.13

Hence, from 7 cups of flour 3.13 batches of cookies can be made.

8 0

3 years ago