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aliya0001 [1]
3 years ago
8

Plz need answer, would mean alot

Mathematics
1 answer:
saw5 [17]3 years ago
4 0
The three answers are 1.5m, 1.7m, and 1.9m
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What is not preserved under dilation?
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Read 2 more answers
Help needed. Only 1-5 is needed help on plz and ty
aleksley [76]

Answer:

number 5 is y= 3    7-3=4x4=16

Step-by-step explanation:

6 0
2 years ago
To travel 105 miles, it takes Sue, riding a moped, 3 hours less time than it takes Doreen to travel 64 miles riding a bicycle. S
Volgvan
<span>Let t=time Doreen travels; let r=rate of Doreen

                RATE * TIME = DIST.
        Sue | r+13      t-3       105
   Doreen |   r           t          64
 
Now solve the system:
(r+13)(t-3)=105
</span>r*t=64<span>
 
</span>r= \frac{64}{t} &#10;\\&#10;\\(\frac{64}{t} +13)(t-3)=105 &#10;\\&#10;\\64- \frac{192} {t}+13t-39-105=0&#10;\\&#10;\\13t- \frac{192} {t}-80=0&#10;\\&#10;\\ 13t^2-80t-192=0&#10;\\&#10;\\t_{1,2}= \frac{80\pm \sqrt{(-80)^2-4\times13(-192)} }{2\times13}= \frac{80\pm128}{26}  &#10;\\&#10;\\t=\frac{80+128}{26}  =8&#10;\\&#10;\\r=\frac{64}{t} =\frac{64}{8} =8<span>
             
Doreen: rate = 8 mph, time = 8 hours
Sue:  </span>rate = 21 mph, time = 5 hours<span>


</span>
8 0
3 years ago
8.
melomori [17]

Answer:

B

Step-by-step explanation:

Communities and associative

5 0
3 years ago
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