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Fed [463]
3 years ago
10

Please help and explain

Mathematics
2 answers:
RUDIKE [14]3 years ago
7 0
48 fish.
The first 15 fish plus the new 45 fish minus the 12 that already have tags on them.
15 + 45 = 60
60 - 12 = 48
There should be 48 fish in the pond.
Mama L [17]3 years ago
4 0

Answer:

50 .

Step-by-step explanation:

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Witch proportion can be used to solve the following percent problem what is 50% of 70
RoseWind [281]

Answer:

A

Step-by-step explanation:

50 percent is 50/100 and you are trying to find x which is half of 70. A would make the most sense. X should =35

4 0
3 years ago
Y=-x squared - 6x -5 what is the vertex and x-intercepts
Alenkasestr [34]
y=-x ^2  - 6x -5 \\ \\  standard \  form \\ \\y=ax+bx+c \\ \\V(p,q)\\ \\ p=\frac{-b}{2a}=\frac{-(-6)}{-2}=3\\ \\\Delta = b^{2}-4ac =14^{2}-4*1*(-51)=196+204=400 \\ \\q=\frac{-\Delta }{4a} =\frac{-400}{4}=100\\ \\V( 3,100)\\ \\x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{-14- \sqrt{400}}{2}=\frac{-14-20}{2}= \frac{-34}{2}=-17\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{-14+ \sqrt{400}}{2}=\frac{-14+20}{2}= \frac{6}{2}=3
6 0
3 years ago
Help plz thx thx for the help​
lbvjy [14]

Answer:

A is irrational and I believe the rest are rational

7 0
3 years ago
As an estimation we are told 5 miles is 8 km. <br>Convert 60 km to miles.​
blagie [28]

Answer:

37.5 miles

Step-by-step explanation:

We can find the rate of conversion by dividing kilometers by miles. 5÷8=1.6, so 1.6 km = 1 mile. Now we can divide 60 by 1.6 to find miles.

60/1.6=37.5

Hope this helped!

5 0
3 years ago
Read 2 more answers
Help help<br> Find the value of each variable. Show work
irinina [24]

Answer:

soln,

x-y

=38-30

=68 answer

4 0
2 years ago
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