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Serga [27]
2 years ago
15

Help asap!!! 50 points total if u get big brain! elect the expressions that are equivalent to 10 + 2x + 5y + 3x.

Mathematics
2 answers:
SCORPION-xisa [38]2 years ago
5 0

Answer:

D.5(x + y + 2) and           E).5x + 5y + 10

Step-by-step explanation:

10 + 2x + 5y + 3x.

combine x :      (2x+3x=5x)

<em>           10+5x+5y</em>

Factor 5

        5(x + y + 2)

5*x=5x

5*y=5y

5*2=10

andrew-mc [135]2 years ago
4 0

Answer:

D and E

Step-by-step explanation:

Explanation is in photo

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Someone please help me will give brainliest!!!!!
ololo11 [35]
I believe the fastest way to solve this problem is to take any two of the given points and to find the slope and y-intercept of the line connecting those two points.  

Let's choose the 2 given points (-3,16) and (-1,12).
Going from the first point to the second, the increase in x is 2 and the increase in y is actually a decrease:  -4.  Thus, the slope of the line connecting these two points is m = -4/2, or m = -2.

Now use the slope-intercept formula to find the y-intercept, b.

One point on the line is (-3,16), and the slope is m = -2.

Thus, the slope-intercept formula y = mx + b becomes 16 = -2(-3) + b.
Here, b comes out to 10.

So now we have the slope and the y-intercept.  Write the equation:

y = mx + b becomes y=-2x+10.  Which of the four given answer choices is the correct one?
3 0
3 years ago
If y = 45 when x = 180, what is the y when x= 90
bearhunter [10]

Answer:

24.5

Step-by-step explanation:

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6 0
3 years ago
What are the solutions of the equation?<br> X - 10=3
Nookie1986 [14]

Answer: X = 13

Step-by-step explanation:

10 + 3 = 13

13 - 10 = 3

4 0
2 years ago
(05.03)Lisa has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate t
dexar [7]
To find the area<span> of a regular </span>polygon<span>, you use an apothem, which is  a segment that joins the </span>polygon's center to the midpoint of any side and that is perpendicular (<span> angle of 90°) </span>to that side
8 0
3 years ago
Decrease £19064.67 by 9.5%<br> Give your answer rounded to 2 DP.
alina1380 [7]

Answer:

New amount (decrease) = £17253.53

Step-by-step explanation:

<u>Given the following data;</u>

Amount = £19064.67

Percentage = 9.5%

To find the percentage decrease;

Percentage \; cost = \frac {9.5}{100} * 19064.67

Percentage \; cost = 0.095 * 19064.67

Percentage cost = £1811.14

New amount (decrease) = Original amount - percentage cost

Substituting into the equation, we have;

New amount (decrease) = £19064.67 - £1811.14

<em>New amount (decrease) = £17253.53</em>

6 0
3 years ago
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