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3 years ago

15

Twenty-seven is the product of three and a number

2 answers:

n200080 [17]3 years ago

7 0

It’s the product of three and nine.

Ksivusya [100]3 years ago

3 0

This situation can be modeled by an equal.

The word is means equal.

So 27=

The product means multiplication
27 = 3*

Then "a number" is an unknown (we'll call it x)

So the equation is
21=3*x
9=x

The number is 9

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alyssa has 6 quarters, 4 dimes and 5 nickels in her change jar. if she picks 2 at random, what is the probability that she will

rusak2 [61]

The probability of Alyssa picking a nickel and a quarter would be 11/15 (eleven over fifteen)

6/15 plus 5/15 which is 11/15
You get 15 as the denominator because you add 6+4+5=15

I hope u understand.

5 0

3 years ago

Which of the following equations has no real solutions?

kupik [55]

B. 5x - 8 = 40x - 8 has no solution because on the right side we will get 0

6 0

3 years ago

Determine the value of that makes the equati

arsen [322]

Answer:

x = 5.5

Step-by-step explanation:

6-(2x-4)+x = 6-2x+4+x = 10-x
3(x-4) = 3x-12
Based on the 1st and the 2nd steps, 10-x=3x-12 --> 10+12=3x+x --> 22 = 4x --> x =22/4 = 5.5

3 0

2 years ago

Please help me!

dybincka [34]

Answer:

They are only equal on day 0, both having 10 population.

Step-by-step explanation:

Given the bacteria on the counter is initially measured at 5 and doubles every 3 days we can generate the following geometric equation:

$f(x)=10*2^{\frac{x}{3} }$

Given the bacteria on the stove is measured at 10 and doubles every 4 days we can create another equation:

$f(x)=10*2^{\frac{x}{4} }$

To find how many days it will take for the bacteria population to equal the same lets set both equations equal to eachother:

$10*2^{x/3}=10*2^{x/4}$

Divide both sides by 10

$2^{x/3}=2^{x/4}$

Since both exponents have the same base we can set the exponents equal to eachother and solve for x:

$\frac{x}{3}=\frac{x}{4}$

Multiply both sides by 3 to isolate x on the left side

$x=\frac{3x}{4}$

Multiply both sides by 4 to remove fraction

$4x=3x$

Subtract 3x to isolate x on the left side

$x=0$

Plug x into one of our original equations

$f(0)=10*2^{0/3}$

Solve

$f(0)=10$

6 0

2 years ago

Stephen and Diana are traveling towards each other from points that are 276 miles apart. If Diana is traveling 4 mph faster than

Allisa [31]

Answer:

Step-by-step explanation:

let speed of Stephen=x mph

speed of Diana=x+4

then

6x+6(x+4)=276

divide by 6

x+x+4=276/6=46

2x=46-4=42

x=42/2=21

Stephen is traveling at 21 mph.

Diana is traveling at 21+4=25 mph.

6 0

2 years ago