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3 years ago

Hey guys!!! U think u can help me?? Pls :))

Mathematics

1 answer:

docker41 [41]3 years ago

3 0

12 yards to 36 yards is 3 time the length, so this means the new scaled drawing would need to be 1/3 the size of the original one.

9 inches / 3 = 3 inches

6 inches / 3 = 2 inches

The new scaled drawing would be 3 inches, 2 inches.

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PLS SQDANCEFAN. PLEASE SHOW ALL WORK!!! A bag contains 27 coins, all of which are either quarters or dimes. If their total value

Butoxors [25]

Answer:

There are 19 quarters and 8 dimes.

Step-by-step explanation:

We will let x denote the amount of quarters.

Since there are 27 coins in total, (27-x) will be the amount of dimes there are.

Since each quarter is worth $0.25, the total value of quarters is given by 0.25x.

And since each dime is worth $0.10, the total value of dimes is given by 0.1(27-x).

We know that the total value of all 27 coins is $5.55. So, we can write the following equation:

$0.25x+0.1(27-x)=5.55$

So, we will determine the value of x, the amount of quarters there are.

First, let’s multiply everything by 100 to remove the decimals. So:

$100(0.25x+0.1(27-x))=100(5.55)$

Distribute:

$25x+10(27-x)=555$

Distribute:

$25x+270-10x=555$

Combine like terms:

$15x+270=555$

Subtract 270 from both sides:

$15x=285$

Divide both sides by 15:

$x=19$

So, the value of x is 19.

This means that there are 19 quarters.

So, the amount of dimes must be 27-19 or 8 dimes.

5 0

3 years ago

Read 2 more answers

I snowboard originally cost $120 but it is on sale for 45% off if a customer buying a snowboard has a coupon of $15 off of any p

murzikaleks [220]

Answer:

$39

Step-by-step explanation:

5 0

3 years ago

Please help me, but the answer choices are

VladimirAG [237]

Answer:

Step-by-step explanation:

answer is B

and what is ypur grades

4 0

3 years ago

List possible rational zeroes of the function. 3x^5-8x^4+6x^2+7x-12.

spayn [35]

First list all the positive and negative factors of the constant term in the expression: ±(1,2,3,4,6,12) these will be the values for "p"

Second list all the positive and negative factors of the leading coefficient:
±(1,3) these will be the values for "q"

Now list all the possible values of $\frac{p}{q}$ these will be the possible rational zeros of the polynomial function:
±( $\frac{1}{1} , \frac{1}{3} , \frac{2}{1} , \frac{2}{3} , \frac{3}{1} , \frac{3}{3}, \frac{4}{1} , \frac{4}{3} , \frac{6}{1} , \frac{6}{3} , \frac{12}{1} , \frac{12}{3}$ )

these can be reduced to the following list:
±(1, $\frac{1}{3}$ , 2, $\frac{2}{3}$ , 3, 4, $\frac{4}{3}$ , 6, 12

This list represents the possible rational zeros of the function. You can then use synthetic division to narrow down the actual roots of the function.

8 0

3 years ago

Is a repeating decimal a real number?

pochemuha

Yes, all number sets are a real number

6 0

4 years ago

Read 2 more answers