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kozerog [31]
3 years ago
6

What is the answer and how do you solve... 2(a-8)+7=5(a+2)-3a-19

Mathematics
1 answer:
Dafna1 [17]3 years ago
6 0

Answer:

2a-9=2a-9

<em>Infinitely Many Solutions</em>

Step-by-step explanation:

2(a-8)+7=5(a+2)-3a-19

<em>Use Distributive Property</em>

2a-16+7=5a+10-3a-19

<em>Combine Like Terms</em>

2a-9=2a-9

<u><em>You don't have to go further unless it helps</em></u>


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Answer:

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Step-by-step explanation:

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4 years ago
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Solve the rational equation quantity 2 times x plus 6 end quantity divided by 3 equals quantity 5 times x minus 1 divided by 7.
fomenos

Answer:

x = 45

Step-by-step explanation:

(2x + 6)/3 = (5x - 1)/7

<em>Cross multiply</em>

7(2x + 6) = 3(5x - 1)

<em>Expand both expressions</em>

14x + 42 = 15x - 3

<em>Collect like terms</em>

42 + 3 = 15x - 14x

45 = x

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<em>Check:</em>

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5 0
4 years ago
Find the percent rate per annum at which $275 will double itself in 2 year​
pochemuha

Answer:

50%

Step-by-step explanation:

50/100 x 275 = 137.5

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7 0
2 years ago
Name two fractions that are closer to 1 than 1/2. Then name two fractions that are closer to 1 than to 0 or 1 and two other frac
Natasha2012 [34]

Answer:

1)

<em>Name two fractions that are closer to 1 than 1/2?</em>

We are asked to find two fractions that are closer to 1 than 1/2.

We know that the equivalent fraction to 1/2 is 5/10

and 1 can be written as 10/10.

Hence,

the fraction between 5/10 and 10/10 are:

6/10, 7/10, 8/10, 9/10

The fractions that are close to 1( i.e. 10/10) than to 1/2( i.e. 5/10) are:

 8/10 and 9/10.

2)

<em>Name two fractions that are closer to 1 than to 0?</em>

We know that the equivalent fraction to 1 is 5/5.

also to 0 is 0/5

The fractions that lie between 0(i.e. 0/5) and 1( i.e. 5/5) are:

1/5, 2/5, 3/5 , 4/5

Hence the fractions closer to 1 than to 0 are:

3/5 and 4/5.

3)

<em>Name two other fractions that are closer to 0 than to 1/2?</em>

We know that the equivalent fraction to 0 is 0/10

and to 1/2 is 5/10

The fractions that lie between 0(i.e. 0/10) and 1/2(i.e. 5/10) are:

1/10, 2/10 , 3/10 , 4/10

Hence the fraction closer to 0 than to 1/2 are:

1/10 , 2/10.

4)

<em> Find two of your fractions that have a sum of about 1 1/2?</em>

We know that 1 1/2 can also be written as: 3/2

The two fractions such that they sum upto 3/2 are:

1/2 and 2/2 i.e.

\dfrac{1}{2}+\dfrac{2}{2}=\dfrac{3}{2}

Hence the two fractions are:

1/2 and 2/2

<em />

8 0
3 years ago
Find the value of a and m∠ZWT if ZW is an
nevsk [136]
If <span>ZW is an altitude of △XYZ, then m</span>∠ZWY = 90°

3a + 5 + 5a + 13 = 90
8a + 18 = 90
8a = 72
a = 72/8
a = 9

<span>m∠ZWT = 3a + 5 = 3*9 + 5 = 27 + 5 = 32</span>°
3 0
4 years ago
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