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miskamm [114]
3 years ago
10

Distribute-3/7 (21x - 7)​

Mathematics
1 answer:
Shkiper50 [21]3 years ago
3 0

Answer:

-9x+3

Step-by-step explanation:

See the steps below:)

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dem82 [27]

Answer: C≈75.4

You can use C = πd as the formula.

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3 years ago
How many real solutions does the equation t^2+6t+9=0 have?
AlekseyPX

Answer:

3.3

Step-by-step explanation:

Solving t2-6t+9 = 0 by the Quadratic Formula . This quadratic equation has one solution only. That's because adding zero is the same as subtracting zero.

3 0
2 years ago
Which must be true? Select two options. Point H is the center of the circle that passes through points D, E, and F.
olga nikolaevna [1]

Answer:

A. Point H is the center of the circle that passes through points D, E, and F.

C. Line segment H E is-congruent-to line segment H D

Step-by-step explanation:

The center of a circle is a point within it that has the same distance to all other points on its circumference.

Constructing a circle with center H would pass through the points D, E and F at the three vertices of the given triangle. Thus producing a circumscribed circle to the triangle. A circumscribed circle is one that can is constructed outside a given figure.

It can also be observed that, DH ≅ EH ≅ FH. So that, the line segment HE is congruent to line segment HD.

The correct options in the given question are: A and C.

5 0
3 years ago
Help what is x^2-2x-24=0
ankoles [38]
x^2-2x-24=0\\\\a=1;\ b=-2;\ c=-24\\\\\Delta=b^2-4ac\\\\\Delta=(-2)^2-4\cdot1\cdot(-24)=4+96=100\\\\x_1=\frac{-b-\sqrt\Delta}{2a};\ x_2=\frac{-b+\sqrt\Delta}{2a}\\\\x_1=\frac{2-\sqrt{100}}{2\cdot1}=\frac{2-10}{2}=\frac{-8}{2}=-4\\\\x_2=\frac{2+\sqrt{100}}{2\cdot1}=\frac{2+10}{2}=\frac{12}{2}=6
4 0
3 years ago
Read 2 more answers
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Answer:

66

Step-by-step explanation:

The answer is 66 because 6 x 11 equals 66!!!!

Do Mental math if not work on it on a piece of paper.

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