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12345 [234]
3 years ago
13

What answer to 10 + a - 5 + 2a

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

Answer:

5+3a

Step-by-step explanation:

10 + a -5 + 2a

5+a+2a

5+3a

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Please solve these 2 ;-;<br><br> y = 2x – 6<br> y = –4x + 3
Yuri [45]

Answer:

x = 3/2 | y = -3

Step-by-step explanation:

Given equations:

  • y = 2x - 6. . . .(i)
  • y = -4x + 3. . . . (ii)

Substituting from equation (i) for y:

==> 2x - 6 = -4x + 3

==> 2x + 4x = 6 + 3

==> 6x = 9

<em>dividing both </em><em>sides by 3</em><em>:</em>

==> 2x = 3

==> x = 3/2

Substituting 3/2 for x in equation (i):

==> y = 2(3/2) - 6

==> y = 3 - 6

==> y = -3

3 0
3 years ago
Read 2 more answers
Which expressions are equivalent to 4(-5z+2)+(-6)
Y_Kistochka [10]

Answer:

4(-5z+2)+(-6)=2(-10z+1) = True

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which intersection forms a parabola?
NeTakaya

Answer

A plane intersects only one nappe of a double-napped cone, and the plane is not parallel to the generating line of the cone.

Step-by-step explanation:

Parabola is a symmetrical open plane bend framed by the crossing point of a cone with a plane parallel to its side. The way of a shot affected by gravity in a perfect world takes after a bend of this shape.

7 0
3 years ago
7.92 8.055<br> 7.9<br> 7.98 8.072 8.027<br> Least to greatest
ioda

Answer:

First, we compare the given numbers using a place value chart. Since I don't have one of those, we won't be using a guide.

<u>7.92</u>

<u>8.055</u>

<u>7.9</u>

<u>7.98</u>

<u>8.072</u>

<u>8.027</u>

Comparing those, this order is the correct arrangement from least to greatest:

<u>7.9</u>

<u>7.92</u>

<u>7.98</u>

<u>8.027</u>

<u>8.055</u>

<u>8.072</u>

~Hope this helps~

8 0
3 years ago
Which choice shows the image of triangle QRS after the reflection over the x-axis followed by a rotation of 180° around the orig
Alex777 [14]

Answer:

A

Step-by-step explanation:

We see that triangle QRS is located in Quadrant III. (See attachment for labelling of quadrants)

Reflecting it over the x-axis means that we flip it over the x-axis, or we flip it vertically. Doing so, QRS will end up in Quadrant II.

Now, we need to rotate QRS 180 degrees about the origin. The quadrants are all 90 degrees away from each other, which means that if we rotate QRS about the origin 180 degrees, we'll end up two quadrants away from Quadrant II: we'll end in Quadrant IV.

Look at each of the answer choices. The only choice that features Q'R'S' (the image of QRS) in the fourth quadrant is the first choice, or A. So that's the answer.

<em>~ an aesthetics lover</em>

3 0
3 years ago
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