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yarga [219]
3 years ago
12

Somebody help me with this 20 points

Mathematics
1 answer:
kiruha [24]3 years ago
4 0
X1=2,X2=10. Hope that helped lovely
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the ratio of dogs to cats is 5:3 ,the ratio of fish to dogs is 6:1 .what is the ratio of cats to fish
e-lub [12.9K]

Answer:

10: 1

Step-by-step explanation:

We have to make the dogs art of the ratio equal first.

5:3>30:18

6:1> 180: 30

After this we have to simplify the ratio.

Cats to fish is 180:18 (divide by 2) 90:9 (then by 3) 30 : 3 (and finally by 3 again) 10 : 1

4 0
3 years ago
A sample of 12 measurements has a mean of 8.5 and a sample of 20 measurements has a mean of 7.5. Find the mean of all 32 measure
nalin [4]
Multiply 8.5 by 12, multiply 7.5 by 20, add them together to get 252, then divide that by 32 to get 7.875. 7.875 is the mean of all 32 measurements
6 0
3 years ago
Hey whats 9+80+90+100
KATRIN_1 [288]

Answer:

279 bro hope it helps

Step-by-step explanation:

hope it helps

3 0
2 years ago
Read 2 more answers
Find the values for x and y
Kruka [31]

Look at the picture.

x=90

\angle B\cong\anlge C\to m\angle B=m\angle C=47^o

We know, the sum of the measures of the triangle is equal 180°.

Therefore in ΔBCD we have:

y+47+90=180

y+137=180             <em>subtract 137 from both sides</em>

y=43

Answer: x° = 90°, y° = 43°.

7 0
3 years ago
I need help yo<br>Will give brainliest
KatRina [158]
The volume of this spherical container would be about 38,762.79 cm³. Hope this helps, and please rate my branliest!
6 0
4 years ago
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