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3 years ago

The ratio of a to b is 9:2, and the ratio of c to b is 5:3. What is the ratio of a to c?

Mathematics

1 answer:

xz_007 [3.2K]3 years ago

8 0

The answer is that the ratio of a to c is 9/5

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33% of what number is 1.45? Round to the nearest tenth.

tatuchka [14]

Take the unknown number as 'y'.

=》33% = 33/100

=》1.45 = 145/100

33/100 × y = 1.45

33/100 × y = 145/100

33y = 145/100 × 100/1

33y = 145

y = 145/33

y = 4.39

______

RainbowSalt2222 ☔

3 0

2 years ago

Read 2 more answers

I have asked so many times and no one will answer. :(

andrew-mc [135]

Answer:

1) $\frac{1}{2^7}$ ; 2) $11^7$

Step-by-step explanation:

1) Using the Power of a Fraction Rule $(\frac{a}{b} )^x = (\frac{a^x}{b^x} )$ ,

$(\frac{1}{2} )^7 = (\frac{1^7}{2^7} )$ , which can just be simplified to $\frac{1}{2^7}$ .

2) Using the Negative Exponent Rule, $a^{-x} = \frac{1}{a^{x}}$ ,

$(\frac{1}{11} )^{-7} = \frac{1}{\frac{1}{11^7}}$ , which can be simplified to $11^7$ .

4 0

2 years ago

John playing with his friends a game where you need to get 20 points to win. In the start of the game John lose 10 points and th

zloy xaker [14]

Answer:

Step-by-step explanation:

0 - 10 = -10

-10 + 12 = 2

John has 2 points

3 0

3 years ago

Step 1: [($52.65 ⋅ 5) + $46.25 − $16.25] ⋅ 1 over 6

Goshia [24]

[ (52.65 * 5) + 46.25 - 16.25] * 1/6
[ 263.25 + 46.25 - 16.25] * 1/6
293.25 * 1/6 =
293.25/6 =
48.875

error occurred in step 3....he multiplied by 6 instead of multiplying by 1/6

4 0

3 years ago

Do han and tyler meet on the path within 1 hour?Explain or show your reasoning At 10:00 a.M., Han and Tyler both started running

serious [3.7K]

Answer:

No, They will do it in more than an hour

t=1,1 h

Step-by-step explanation:

Vh=1mile/12min, Vt=1mile/15min They will meet to same time th=tt

sh=x, st=10-x, so V=s/t we have Vh=sh/t ; Vt=st/t ; t=(sh/Vh) = (st/Vt);

$\frac{x}{\frac{1}{12} } = \frac{10-x}{\frac{1}{15} }\\\frac{x}{15}=\frac{10-x}{12}\\ 12x=15(10-x)$ ; so $12x+15x=150; 27x=150; x=\frac{150}{27}=\frac{150}{9} mile$ : if Vh=sh/t then $t=\frac{\frac{50}{9}mile }{\frac{1mile}{12min} } =\frac{600}{9}min*\frac{h}{60min}=1,1 h$

Note: V=s/t : but in this case are 12 min (t) per mile (s), so $V=\frac{mile}{12min}$

8 0

3 years ago