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Norma-Jean [14]
3 years ago
7

I will mark as brainliest

Mathematics
1 answer:
Veronika [31]3 years ago
4 0
The answer is the third one so yeah bye djdjdhdhdd
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Jack and Rock agree to meet in London for the weekend. Jack travels 164 miles and Rock travels 106 miles. If Jacks rate of speed
masya89 [10]
v=\frac{s}{t}\\\\v-velocity;\ s-distance;\ t-time\\\\v=\frac{s}{t}\to vt=s\to t=\frac{s}{v}\\---------------------\\v-Rock's\ veloocity\ (mph)\\v+8-Jack's\ velocity\ (mph)\\s_J=164\ mi-Jack's\ distance\\s_R=106\ mi-Rock's\ distance\\t_J=t_R-times\ are\ equal\\\\therefore:\frac{s_R}{v}=\frac{s_J}{v+8}\\\\subtitute\ values\ of\ distance:

\frac{106}{v}=\frac{164}{v+8}\ \ \ \ |cross\ multiply\\\\106(v+8)=164v\\\\106v+848=164v\ \ \ \ |subtract\ 106v\ from\ both\ sides\\\\848=58v\to 58v=848\ \ \ |divide\ btoh\ sides\ by\ 58\\\\v\approx14.6\ (mph)\\\\Answer:\boxed{v+8=(14.6+8)mph=22.6\ mph}
8 0
4 years ago
Which fraction is not equivalent to 7/8
Alborosie

Answer:

C. 15/16

Step-by-step explanation:

A. Divide by 3

B. Divide by 5

C. Can't divide by anything.

D. Divide by 4

3 0
4 years ago
Read 2 more answers
 i will give brainliest
WINSTONCH [101]
The answer is 9. You multiply 1/4 three times which is 1/64 then take 576 and multiply it by 1/64 which gives you 9.
5 0
4 years ago
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Pls help I am failing in this class :((
raketka [301]

Answer:

Step-by-step explanation:

It’s b

4 0
4 years ago
Read 2 more answers
68.6943 rounded to tbe nearest tenth
lutik1710 [3]

The answer to this is 68.7

The tenths place is the first term right after the decimal point. We see a "6" there. Look the number right after that. There is a "9". Since 9 is greater than 5, we round up the "6" to "7".

3 0
3 years ago
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