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klasskru [66]
3 years ago
10

Select the ratios whose simplest form is 8/7

Mathematics
1 answer:
kap26 [50]3 years ago
8 0
48:42 
16:14
56:49
I hope this helps.
You might be interested in
The square of a number plus three times the number is 70. find the numbers.
Harrizon [31]

Answer:

Step-by-step explanation:

The equation for that is

x^2+3x=70

If we subtract over the 70, we have a quadratic that we can factor to solve for the values of x that will make that equation true.

x^2+3x-70=0

Now we need the factors of 70 that will either add or subtract to give us the linear term of 3. The factors of 70 that will work are 10 and 7. 10 times 7 is 70, and 10 - 7 = 3:

x^2+10x-7x-70=0 and now we will factor by grouping:

(x^2+10x)-(7x-70)=0 and factor out what's common:

x(x+10)-7(x+10)=0

The factor (x + 10) is common, so we will now factor that out:

(x+10)(x-7)=0

By the Zero Product Property, either x + 10 = 0 or x - 7 = 0, so x = -10 or 7

Those are the 2 numbers that will work.

(-10)^2+3(-10)=70 simplifies to

100 - 30 which does in fact equal 70. OR

(7)^2+3(7)=70 which simplifies to

49 + 21 which also equals 70.

So you're done!

3 0
3 years ago
You are given the system of equations to solve by the elimination method, which is an INCORRECT step that will NOT produce a sys
Dennis_Churaev [7]

Answer:

13x 5y

Step-by-step explanation:

3 0
3 years ago
when a coin is flipped n times,what is the probability that the first head comes after exactly m tails
NeTakaya

Answer:

the probability of flipping n times is 12n, since that's the probability of flipping exactly n−1 tails followed by 1 heads.

Step-by-step explanation:

8 0
3 years ago
Sara uses a scale of 1 cm : 12 m to draw a floor plan of a
sweet [91]
The correct answer is B. So for A, 8m is smaller than 12 m. For B, 20 m is Bigger. For C, Find how many meters is 1 centimeter, the answer is 1 cm : 12m, the meter is not bigger than 12, but the same, so C is wrong. For D, divide both sides by 3 to find 1 CM, the answer is 1 cm : 5 m, it is wrong.
8 0
3 years ago
HELP ME PLEASE !!!
Anuta_ua [19.1K]

Answer: The Smith family price for the meal is  $36.39

Step-by-step explanation:

The Smith family went out to dinner. • The price of the meal was $29.85.

The sales tax was 6% of the price of the meal.

LEts find sales tax amount

sales tax amount = price of meal * sales tax 6%(0.06)

= 29.85 * 0.06 = 1.791

sales tax amount = 1.791

Price of the mean with sales tax = 29.85 + 1.791= 31.641

The tip was 15% of the meal and the sales tax

now we find out tip amount for 31.641

15 % is 15/ 100 = 0.15

Tip amount = 31.641 * 0.15 = 4.74615

Now we add the top amount with 31.641

31.641+ 4.74615=36.38715

the Smith family price for the meal = $36.39

3 0
3 years ago
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