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Naily [24]
3 years ago
6

30 POINTS WILL MARK BRAINLIEST!!

Mathematics
1 answer:
Ronch [10]3 years ago
5 0

The coefficient of x needs to be 2.

The current coefficient is 2/5.

To eliminate the 5 in the denominator, we can multiply the equation by 5.

We get

2x + 30y =  - 50

Now, to solve the equations, all we need to do is add them.

Hope this helps!

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The area of a circle is 28.26 square miles. What is the circle's diameter?
DochEvi [55]
The diameter is 6. Explanation:

radius: 3.14r^2

28.26=3.14r^2

28.26/3.14=r^2

r^2=9

r=3

and we know that diameter is two times the radius so:

3*2=6

diameter equals 6.

if you want to check it plug back in:

3^2 * 3.14 = 28.26

hope this helped :)
3 0
2 years ago
9,15 it that equivalent
Cloud [144]

Answer:

No

Step-by-step explanation:

5 0
3 years ago
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Please answer correctly !!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!
zepelin [54]

Answer:

Step-by-step explanation:

∠DEF is congruent to ∠EFA

4 0
3 years ago
Becca solved the division problem 1.8 ÷ 0.3. Her work is shown below. Long division problem showing one and eight-tenths divided
just olya [345]

Answer and Step-by-step explanation:

The complete options to choose from in order to explain her mistake are not shown, therefore I'll solve the problem generally.

To solve 1.8/0.3 easily we multiply but numerator and denominator by 10

(1.8*10)/(0.3*10) = 18/3 = 6

8 0
3 years ago
H is the circumcenter, or point of concurrency, of the perpendicular bisectors of ΔACE.
Radda [10]

Answer:

∠HDC ≅ ∠HDE, AB ≅ BC, HC ≅ HE

Step-by-step explanation:

yup

7 0
3 years ago
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