3 years ago

Iew

Mathematics

1 answer:

Contact [7]3 years ago

6 0

Answer:x

Step-by-step explanation:

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Mary-Ann has $28, which is 2 1 3 as much money as Lola has. How much money does Lola have?

Anuta_ua [19.1K]

Answer:

The amount that Lola has is $12

Step-by-step explanation:

Let

x ----the amount that Lola has

we know that

Two One-third multiplied by the amount that Lola has is equal to $28

$(2\frac{1}{3})x=28$

Convert mixed number to n improper fraction

$2\frac{1}{3}=\frac{2*3+1}{3}=\frac{7}{3}$

substitute

$\frac{7}{3}x=28$

Solve for x

$x=28(3)/7\\x=\$12$

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4 years ago

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alina1380 [7]

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3 years ago

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Please please help please please ASAP please I'm begging you please I have 10 minutes please y'all help please any ACE that can

never [62]

Answer:

x = 24

y = 12

Step-by-step explanation:

∆DEF ~ ∆JHG

Therefore:

DE/JH = EF/HG = DF/JG

x/18 = 20/15 = 16/y

✔️Solve for x:

x/18 = 20/15

x/18 = 4/3

Cross multiply

x*3 = 4*18

3x = 72

x = 72/3

x = 24

✔️Solve for y:

20/15 = 16/y

4/3 = 16/y

Cross multiply

4*y = 16*3

4y = 48

y = 48/4

y = 12

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3 years ago

8 m 6m 4 1/2 4 1/2m 5 1/4ft P=

MAVERICK [17]

Add them together to get your P

7 0

3 years ago

How many ways can an employer send 3 employees to a job fair if she has 11 employees?

algol13

We have to find the number of ways an employer send 3 employees to a job fair if she has 11 employees.

This is the problem from combination.

The formula for combination is given by

$^nC_r= \frac{n!}{r!(n-r)!}$

Here, n= 11, r= 3

Therefore, total number of ways is given by

$^{11}C_3= \frac{11!}{3!(11-3)!}\\
\\
=\frac{11!}{3!8!}\\
\\
=\frac{8!\times 9 \times 10 \times 11}{3!8!}\\
\\
=\frac{9 \times 10 \times 11}{6}\\
\\
=165$

A is the correct option.

6 0

3 years ago