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Tpy6a [65]
3 years ago
15

What is 15 times 3 by 7

Mathematics
2 answers:
valentinak56 [21]3 years ago
7 0

Answer:

6.42857142857

Step-by-step explanation:

Stolb23 [73]3 years ago
4 0

Answer:

6 3/7

Step-by-step explanation:

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Two different lines lie in the same plane.
nikitadnepr [17]

Answer:

Two lines, both in the same plane, that never intersect are called parallel lines. Parallel lines remain the same distance apart at all times. The symbol // is used to denote parallel lines.

how to prove that two lines are equal: If two lines are cut by a transversal and the alternate exterior angles are equal, then the two lines are parallel. Angles can be equal or congruent; you can replace the word "equal" in both theorems with "congruent" without affecting the theorem. So if ∠B and ∠L are equal (or congruent), the lines are parallel.                                 therefore the answer is E. The two lines are everywhere equidistant.

8 0
3 years ago
Read 2 more answers
Complete the inequality for this graph.<br> y &lt; [?]
dimaraw [331]

Answer:

2

Step-by-step explanation:

The line is at 2.  Everything below that is shaded in.

So y is less than 2.

3 0
3 years ago
The equation of a parabola is y=x^2-10x+27. Write the equation in vertex form
azamat

Answer:

\large \boxed{y = (x - 5)^{2} + 2 }

Step-by-step explanation:

y = x² - 10x + 27

y = ax² + bx + c

This is the general form of the equation for a parabola.

We must convert it to the vertex form

y = (x - h)² + k, where (h,k) are the coordinates of the vertex.

We can do this by completing the square.

\begin{array}{rcll}y & = & x^{2} - 10x + 27 & \\y - 27 & = & x^{2} - 10x & \text{Subtracted 27 from each side}\\y - 27&= & x^{2} - 10x + 25 - 25 & \text{Added and subtracted (b/2)}^{2}\\y - 27&= & (x - 5)^{2} - 25 & \text{Wrote the first three terms as the square of a binomial}\\y& = & \mathbf{(x - 5)^{2} + 2} & \text{Added 27 to each side}\\\end{array}\\\text{The vertex form of the parabola is $\large \boxed{\mathbf{y = (x - 5)^{2} + 2 }}$}The figure below shows that your parabola has its vertex at (5,2).

4 0
3 years ago
Solve the system of equations - 8x + 3y = -17 and 3x - y = 7 by combining the<br> equlations.
NeTakaya

Given :

Two equations :

-8x + 3y = -17  ....1)

3x - y = 7        ....2)

To Find :

The solution of the system.

Solution :

Multiplying equation 2) by 3 and adding with equation 1), we get :

(-8x + 3y) + 3(3x - y) = -17 + 21

x = 4

Putting above value of x equation 2) we get :

12 - y = 7

y = 5

Therefore, solution of system is ( 4,5 ).

8 0
3 years ago
Can i please get help with this Question?
sashaice [31]

So firstly, I'm going to be converting the mixed number into an improper fraction. To do this, multiply the whole number by the denominator and then add that product with the numerator and that will be your new numerator. In this case:

3 × 8 = 24, 24 + 3 = 27. \frac{-27}{8}

Now since they have the same denominator, you can subtract the numerators.

\frac{-27}{8}-\frac{7}{8}=\frac{-34}{8}

Now simplify the number as such:

\frac{-34}{8}\div\frac{2}{2}=\frac{-17}{4}

<u>In short, your answer is -17/4, or -4 1/4.</u>

3 0
3 years ago
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