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zhenek [66]
3 years ago
11

i have a test tomorrow about writing ratios in different ways i'm not sure how to tho. How do u do that????????!!!!HELP!!!!!

Mathematics
2 answers:
olga nikolaevna [1]3 years ago
7 0
One way to write a ratio, is as a fraction. For example, you have 6/8, right, so now you basically rewrite that, but instead of the (/) sign, you put the (:) sign, which we normally use for writing ratios. That's the most common way of writing ratios, but also, you can do this;
*you have the same fraction, 6/8, but you basically say it in words. (six to eight) that's exactly how you would say it in words. Remember, your first number thats given is the number you ALWAYS write, or say first
Sphinxa [80]3 years ago
5 0
There are 3 different ways to write a ratio this first is a fraction, 5/8. You could also write it using the word "to", 5 to 8. Finally you could write it using a colon, 5:8. Hope this clears things up for you!
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Mrs.farnam is getting new carpet in her classroom! Her classroom is 18 meters long and 12 meters wide. How many square meters of
aleksley [76]

Answer:

216 meters

Step-by-step explanation:

make a 4 square box. put the numbers 10 & 2 on top an 8 & 10 on the side.then multiply...

8 * 10 = 80

8 * 2 = 16

10 * 10 = 100

&

10 * 2 = 20

then add all the numbers together.... 80+16+100+20 = 216 meters

the end. Can u mark me the brainliest when u get the chance? thnxs

7 0
3 years ago
Y = 3 <br><br><br> X intercept : ________<br> Y intercept : ________<br> Slope: ________
erik [133]
Y = 3 will be a straight, horizontal line on 3. It will only touch the y-axis since there's no x. So, the X-Intercept doesn't exist, the Y-Intercept will be (0,3), and the slope of the line is 0.
8 0
3 years ago
Give an example of an addition problem in which you would and would not group the addends differently to add
madam [21]
<span>Changing the grouping of the addends should not change the sum, according to the associative property of addition. You might group them differently with (50 + 3) + 47, so that you have 50 + (3 + 47). You might not regroup them with (16 + 4) + 5 rather than 16 + (4 + 5).</span>
8 0
3 years ago
[ Please help! ] Choose the equation that represents the graph below.
Kitty [74]

The line crosses the x -axis at point (9,0) and the y-axis at point (0,6).

If the equation of the line is y=kx+b, then substitute the coordinates of the points into this equation:

1) 0=9k+b;

2) 6=b.

Substitute the second equation into the first:

9k+6=0,\\ \\k=-\dfrac{2}{3}.

The equation of the line is

y=-\dfrac{2}{3}x+6.

Answer: option C


8 0
3 years ago
WILL GIVE BRAINLIEST Chang deposited $5000 into an account with a 4.8% annual interest rate, compounded monthly. Assuming that n
Mariulka [41]

Answer:

9.42 years (= 113 months)

Step-by-step explanation:

Use the compound rate interest formula:

A=P(1+\frac{r}{n})^{nt}

where:

  • A = amount
  • P = principal
  • r = interest rate (in decimal format)
  • n = number of times interest is compounded per unit t
  • t = time

Given:

  • A = $7850
  • P = $5000
  • r = 4.8% = 0.048
  • n = 12
  • t = years

\implies 7850=5000(1+\frac{0.048}{12})^{12t}

\implies 7850=5000(1.004)^{12t}

\implies \dfrac{7850}{5000}=(1.004)^{12t}

\implies 1.57=(1.004)^{12t}

Take natural logs:

\implies \ln1.57=\ln(1.004)^{12t}

\implies \ln1.57=12t\ln(1.004)

\implies t=\dfrac{\ln 1.57}{12 \ln1.004}

\implies t=9.42\textsf{ years (nearest hundredth)}

\implies t=113 \textsf{ months}

5 0
2 years ago
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