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charle [14.2K]
3 years ago
6

I need help fast!!!!

Mathematics
2 answers:
Elena L [17]3 years ago
6 0
3q+21c

q=7

If this helped please give stars and a thanks ^.^ much appreciated!
NNADVOKAT [17]3 years ago
5 0
Apply the distributive property.<span><span><span><span>3⋅2</span>+<span>3q</span></span>+15</span><span><span><span>3⋅2</span>+<span>3⁢q</span></span>+15</span></span>Multiply <span>33</span> by <span>22</span> to get <span>66</span>.<span><span><span>6+<span>3q</span></span>+15</span><span><span>6+<span>3⁢q</span></span>+15</span></span>Add <span>66</span> and <span>1515</span> to get <span>2121</span>.<span><span>3q</span>+<span>21</span></span>
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Three consecutive even integers have a sum of -126. What is the smallest integer ?
SSSSS [86.1K]

Answer:

-40, - 42 and -44

Step-by-step explanation:

The fastes way here is trying. Lets pick a number, intelligently, and then work on it.

We need three even integers that sum -126. These will be all negative numbers and as they are consecutive they will be very similar (for example, -33 and -35 and -37). Thus, lets start by 1/3 of -126, which is -42:

(-42)+ (-44) + (-46) = - 132, so -42 no.

Lets go a step back: -40

(-40) + (-42) + (-44) = -126

So, the integers are -40, -42 and -44

5 0
3 years ago
A Line Segment has the points (1,-2), and (3,-2). What are the new points after its dilated by a scale factor of 3/2 or 1.5
jeka57 [31]

Answer:

The new points after dilation are

(3/2, -3) and (9/2,-3)

Step-by-step explanation:

Here in this question, we want to give the new points of the line segment after it is dilated by a particular scale factor.

What is needed to be done here is to multiply the coordinates of the given line segment by the given scale factor.

Let’s call the positions on the line segment A and B.

Thus we have;

A = (1,-2) and B = (3,-2)

So by dilation, we multiply each of the specific data points by the scale factor and so we have;

A’ = (3/2, -3) and B’= (9/2,-3)

5 0
3 years ago
Which mathematical expression means seven more than the product of three and x
vladimir2022 [97]

Answer:

More than means addition and product means multiplication.  Therefore, seven more than the product of three and x would mean multiplying 3 and x together then adding 7 to that.  Or,  3x + 7.

Step-by-step explanation:


7 0
3 years ago
A railroad crew can lay 5miles of track each day. They need to lay 135 miles of track. The length, l (in miles), that is left to
torisob [31]
What is the function
4 0
3 years ago
What is the exact value of the expressions the square root of 180 − the square root of 125 the square root of 5 ? simplify if po
joja [24]
\sqrt{180}-\sqrt{125}+\sqrt5=\sqrt{36\cdot5}-\sqrt{25\cdot5}+\sqrt5\\\\=\sqrt{36}\cdot\sqrt5-\sqrt{25}\cdot\sqrt5+\sqrt5\\\\=6\sqrt5-5\sqrt5+\sqrt5\\\\=\boxed{2\sqrt5}
5 0
3 years ago
Read 2 more answers
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