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ValentinkaMS [17]
2 years ago
6

Which expression is equivalent to 13(5x+3y)+25y+7

Mathematics
1 answer:
Masteriza [31]2 years ago
3 0
13(5x + 3y) + 25y + 7
= 65x + 39y + 25y + 7
= 65x + 64y + 7

Is this what you were asking?
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Which equation is satisfied by all of the plotted points?
Brums [2.3K]
The equation that is satisfied by all of the plotted points would be F. 3x because the y-intercept is at 0 so there wouldn't be one and the graph has a ratio of 3/1 so for every 3 numbers the line moves up it moves 1 space to the right, also indicating that it is positive.
3 0
3 years ago
The price of an article is increased from Rs 75 to Rs 78. Find the percentage increase in the price of the article.
andreev551 [17]

( 78 -75 / 75 ) × 100 =

(3/75 )× 100 =

( 3 / 3 × 25 ) × 100 =

(1/25) × 100 =

100/25 =

% 4

4 0
3 years ago
The points(0,2) and (4,-10) lie on the same line and the points (-5,-3) and (2,11) lie on another line. Determine by graphing wh
joja [24]
You are asked to do this problem by graphing, which would be hard to do over the Internet unless you can do your drawing on paper and share the resulting image by uploading it to Brainly.

If this were homework or a test, you'd get full credit only if you follow the directions given.

If <span>The points(0,2) and (4,-10) lie on the same line, their slope is m = (2+10)/(-4), or   m =-3.  Thus, the equation of this line is y-2 = -3x, or y = -3x + 2.

If </span><span>points (-5,-3) and (2,11) lie on another line, the slope of this line is:

m = 14/7 = 2.  Thus, the equation of the line is y-11 = 2(x-2), or y = 11+2x -4, or y = 2x + 7.

Where do the 2 lines intersect?  Set the 2 equations equal to one another and solve for x:

</span>y = -3x + 2 = y = 2x + 7.  Then 5x = 5, and x=1.

Subst. 1 for x in y = 2x + 7, we get y = 2(1) + 7 = 9.

That results in the point of intersection (2,9).

Doing this problem by graphing, on a calculator, produces a different result:  (-1,5), which matches D.

I'd suggest you find and graph both lines yourself to verify this.  If you want, see whether you can find the mistake in my calculations.

3 0
3 years ago
Name two different numbers that round to 7.42 when rounded to the nearest hundredth
natulia [17]

Answer:

7.00 and 7.40

Step-by-step explanation:

you see 4 it under the five you are going down if it over five ur going up

8 0
3 years ago
Two boats start their journey from the same point A and travel long directions AC and AD as shown below what is the distance CD
Olegator [25]

I think its B but ima have to check again and get back to you

4 0
3 years ago
Read 2 more answers
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