2 years ago

The square of a certain number is the same as three times the number. What is the number?

Mathematics

1 answer:

Oduvanchick [21]2 years ago

4 0

Answer:

3 x 3 = 9 or 3²=9

Step-by-step explanation:

Multiply both sides by 1/x

x=3

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In a film, a character is criticized for marrying a woman when he is three times her age. He wittily replies, "Ah, but in 25ye

Sonbull [250]

Answer:age of the man: 75 age of the woman:25

Step-by-step explanation:

First, We need to define the variables

x: age of the man

y: age of the woman

at the first time he has three times her age

x=3y (1)

in 25 years time

(x+25)=2(y+25) (2)

we clear the equation

X+25=2y+50

X=2y+25

we substitute in the (1) equation:

2y+25=3y

y=25

x=3*25=75

5 0

3 years ago

Read 2 more answers

What are the coordinates of point P?

Nadusha1986 [10]

Answer:

(-4,3)

Step-by-step explanation:

hope this helps :)

6 0

2 years ago

P-value for p = 0.23 is closest to: 0.006 or 0.40?

inn [45]

Answer:

0.40 I'm pretty sure tbh

4 0

2 years ago

A bag contains 11 blue marbles and 12 yellow marbles. You randomly choose marbles from the bag without replacement. Show your ca

Maurinko [17]

Answer:

0.2608 or a 26.1% chance of pulling a blue then a yellow.

Step-by-step explanation:

11/23 times 12/22

3 0

3 years ago

Natalka [10]

Answer:

A) SSS

Step-by-step explanation:

We have,

$\frac{AC}{DF}=\frac{10}{15}=\frac{2}{3}\\\frac{AB}{DE}=\frac{12}{18}=\frac{2}{3}\\\frac{BC}{EF}=\frac{8}{12}=\frac{2}{3}\\\text{Thus,}\\\frac{AC}{DF}=\frac{AB}{DE}=\frac{BC}{EF}\\$

Since the sides are in proportion, the two triangles are similar by the SSS test.

6 0

3 years ago