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muminat
3 years ago
7

How can you tell? Thanks anyone

Mathematics
2 answers:
GREYUIT [131]3 years ago
8 0

Answer:

it is b i tooken this before and how you can tell thanks is by going to there profile and it says thanks

Step-by-step explanation:

Sholpan [36]3 years ago
4 0

Answer:

................................

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the graph shows the total number of hours katrina worked over a 10-day period. during which one-day interval did she work the mo
liraira [26]

Answer:

4 to 5

Step-by-step explanation:

8 0
3 years ago
A race car driver’s time in seconds to complete 12 laps is plotted on the graph. Why does the graph begin at x= 1?
Tcecarenko [31]
Because the y value is the time it takes to complete 1 lap.
7 0
3 years ago
Evaluate the discriminant of each equation. Tell how many solutions each equation has and whether the solutions are real or imag
Elena L [17]
All these equations are in the form of ax^2 + bx + c = 0, where a, b, and c are some numbers. the discriminants of equations like this are equal to b^2 - 4ac. if the discriminant is negative, there are two imaginary solutions. if the discriminant is positive, there are two real solutions. if the discriminant is 0, there is one real solution.

<span>x^2 + 4x + 5 = 0
</span>b^2 - 4ac
4^2 - 4(1)(5)
16-20
-4, two imaginary solutions.

<span>x^2 - 4x - 5 = 0
</span>b^2 - 4ac
(-4)^2 - 4(1)(-5)
16 + 20
36, two real solutions.

<span>4x^2 + 20x + 25 = 0
</span>b^2 - 4ac
20^2 - 4(4)(25)
400 - 400
0, one real solution.
6 0
3 years ago
Find the volume of this sphere. Round to the nearest tenth.<br><br>plz help me!!!​
raketka [301]

Answer:

523.6 cm^3

Step-by-step explanation:

We know the diameter is 10. The radius is half the diameter, so 10/2=5.

Knowing the radius is 5, we just need to plug it into the formula.

Volume=(4/3)pi5^3

≈523.6

Answer:523.6 cm^3

3 0
3 years ago
(Y+9)x2=42 find the cross products
sveta [45]
2y+18=42
2y=24
y=12
Hope this helps!
8 0
3 years ago
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