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schepotkina [342]
3 years ago
10

0-%202a%20%2B%203c" id="TexFormula1" title="solve \: this \: \\ \\ 2a + 5b + 7a + 3b - 2a + 3c" alt="solve \: this \: \\ \\ 2a + 5b + 7a + 3b - 2a + 3c" align="absmiddle" class="latex-formula">
​
Mathematics
2 answers:
ozzi3 years ago
7 0

Answer:

7a + 8b + 3c

Step-by-step explanation:

Group together like terms and simplifyy

Gelneren [198K]3 years ago
4 0

Answer:

7a + 8b + 3c

Step-by-step explanation:

2a + 5b + 7a + 3b - 2a + 3c

= 2a - 2a + 7a + 5b + 3b + 3c

= 7a + 8b + 3c

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What are the coordinates of the image of the point (4, 2) after a dilation with a center of (0, 0) and a scale factor of 2? A. (
frez [133]

Answer:

Option D (8,4)

Step-by-step explanation:

we know that

The dilation centered at the origin  (0,0) is very simple. To find out the image point multiply the scale factor to the x  and  y-coordinates of the pre-image point.

so

(2*4,2*2) -----> (8,4)

8 0
3 years ago
What is the value of 3x+3y?
NNADVOKAT [17]

Answer:

3(x+y)

Step-by-step explanation

this is the right answer

7 0
3 years ago
Let f(x) =-2x-7 and g(x)=-4x+3 find (f•g)(-5)
Ierofanga [76]
F(-5) x g(-5)

f(-5) = -2(-5) - 7
f(-5) = 10 - 7
f(-5) = 3

g(-5) = -4(-5) + 3
g(-5) = 20 + 3
g(-5) = 23

f(-5) x g(-5) = 3 x 23 = 69

Your answer is 69
4 0
3 years ago
What is the equation of a line that is perpendicular to the line y=3x-6 and passes through the point (15,5)?
Goshia [24]

the fouth option is correct ans....

3 0
3 years ago
Unitary method
tangare [24]

Answer:

60 kilometers per hour.

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Step-by-step explanation:

speed = distance ÷ time.

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Therefore 60 x 3 hour is 180km added to 240 is 420km. So in 7 hours traveling 60 kilometers per hour the will cover 420kms.

4 0
2 years ago
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