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irina [24]
3 years ago
15

2(3x−5a)+9(2a−7b)+3(5a−2x)=0

Mathematics
1 answer:
alexdok [17]3 years ago
7 0

Answer:

a=63b/23, b=23a/63

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Whats the length in the picture
Margaret [11]

Answer:

3.1in

hope it helps

6 0
3 years ago
You run a non-profit agency and a benefactor passed away and left your organization 25% of his estate. If he had $384,000 in his
Andrews [41]
25% times $384,000 is $96
So the organization would receive $ 96 bucks
also 25 can be written .25 which make it much more easier to calculate. hope this help 
6 0
4 years ago
Read 2 more answers
For which intervals is the function negative? Select each correct answer.
Talja [164]

ANSWER

(1,4)

(-∞,-3)

EXPLANATION

The interval where a portion of the graph is below the x-axis is where the graph is negative.

From the graph , the curve is below the x-axis on the interval (-∞,-3). Hence the graph is negative on this interval.

Also the graph is below the x-axis on the interval (1,4). This is also another interval where the graph is negative.

6 0
3 years ago
Jason and Ron together have 97 baseball cards. Jason has four more than twice as many cards as ron. How many baseball cards does
mr Goodwill [35]
Let r be the number of cards Ron has. 

r + 2r + 4 = 97
3r + 4 = 97
3r + 4 - 4 = 97 - 4
3r = 93
3/3r = 93/3
r = 31

Ron has a total of 31 cards and Jason has a total of 66 cards.
8 0
3 years ago
Point C is on line segment BD
Gekata [30.6K]

Answer:

BD measures 20 units.

Step-by-step explanation:

We are given that Point C is on the line segment BD, where:

BD = 5x, BC = 4x \text{ and } CD = 4

And we want to determine the numerical length of BD.

Since C is somewhere on BD, BD is the sum of BC and CD:

\displaystyle BD = BC + CD

Substitute:

(5x) = (4x) + (4)

Solve for <em>x</em>. Subtract:

x = 4

Hence, the value of <em>x</em> is 4.

BD is given by 5<em>x</em>. Therefore:

BD = 5(4) = 20\text{ units}

In conclusion, BD measures 20 units.

4 0
3 years ago
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