3 years ago

Factor the expression 6m-27n

Mathematics

1 answer:

coldgirl [10]3 years ago

5 0

Answer:

3(2m-9n)

Step-by-step explanation:

Find the greatest common denominator take it out and add what you have left. When you work this out you get 6m-27n

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Solve the following equation: (Find x) <br>a) (x-5)²+(2x-10)(x+3)-x²+25

Alex73 [517]

Answer:

hence the value of x is either 5 or 2

x=5 or x=2

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2 years ago

Hudson went into a grocery store and bought 5 peaches and 7 mangos, costing a total of $16. Austin went into the same grocery st

strojnjashka [21]

Answer:

the mango cost 1.75$ each and the peach 0.75$

Step-by-step explanation:

M= mango

P=peach

we know that Hudson spend 16$ buying 7 mangos and 5 peaches. So we can write the equation

(1) 16=7M+5P---> (2)P=(16-7M)/5

and we know that Austin spend 14.50 buying 4 mangos and 10 peaches.

we write the equation

(3)14.50=4M+10P

and we replace the P with the equation (2)

14.5=4M+10*(16-7M)/5

14.5=4M+2*(16-7M)

14.5-32=4M-14M

M=1,75$

and now we replace M in eq. (2)P=(16-7*1.75)/5=0.75$

6 0

3 years ago

A $300 suit is marked down by 10%. Find the sale price.

user100 [1]

Answer:

270

Step-by-step explanation:

300 × .10 = 30.

300 - 30 = 270.

The sale price is $270

8 0

4 years ago

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Solve for X: 5x+(-x)-1=11-2x

Dvinal [7]

4x-1=11-2x
6x=13
$x = \frac{13}{6}$

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3 years ago

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The general form for a compound interest function is B(t)=P(1+r/n)^nt . Assuming that n=1 , rewrite the compound interest equati

Vesnalui [34]

The formula $B(t)=P(1+\frac{r}{n})^{nt}$ , for n=1 becomes $B(t)=P(1+\frac{r}{1})^{1\cdot t}=P(1+r)^t$ .

Comparing $B(t)=P(1+r)^t$ with $B(t)=900(1.185)^t$ , we see that

P=900, and 1+r=1.185, which means that r=0.185.

r=0.185 can be written as 18.5%, as a percentage.

Answer: 18.5%

3 0

3 years ago