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ser-zykov [4K]
3 years ago
7

Rewrite each expression by combining like terms. 8pq - 3pq 2m - 3m + 4

Mathematics
1 answer:
qaws [65]3 years ago
4 0

Answer:

  1. 8pq-3pq= 5pq
  2. 2m-3m+4 =4-m

Step-by-step explanation:

  1. The first equation shows two terms can be combine as follow: 8pq-3pq= (8-3)pq by applying common factoring. Then, because 8-3=5, it can be expressed as 5pq.
  2. In the second equation, we have only two terms that can be factored by combining the terms that share the same factor (which is m). Then, 2m-3m+4 can be expressed like m(2-3)+4. Because (2-3)=-1 and because the order of the sum does not affect the result, the result is 4-m.
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inessss [21]

You applied the rule improperly.  When dividing exponents, you subtract the exponent of the denominator <em>from</em> the exponent of the numerator, not the other way around.  The exponent you should have gotten was 8^{-6}

8 0
3 years ago
A sequence is separated by which symbol <br><br>A ,<br>B +<br>C .​
lions [1.4K]
A: ,
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3 0
3 years ago
A, B, C and D are four towns.
djverab [1.8K]

Three of the four towns are on the vertices of the triangle ΔCBD, through

which the bearing can calculated.

<h3>Response:</h3>
  • The bearing of D from B is approximately <u>209.05°</u>

<h3>Method by which the bearing is found;</h3>

From the given information, we have;

AC = AB = 25 km

∠BAC = 90° (definition of angle between north and east)

ΔABC = An isosceles right triangle (definition)

∠ACD = ∠ABC = 45° (base angles of an isosceles right triangle)

tan(\angle ABD) = \dfrac{45}{25}

  • \angle ABD = arctan \left(\dfrac{45}{25} \right)  \approx 60.945^{\circ}

The bearing of <em>D</em> from <em>B</em> is the angle measured from the north of <em>B</em> to the

direction of <em>D.</em>

<em />

Therefore;

  • The bearing of D from B ≈ 90° + (180° - 60.945°) = <u>209.05°</u>

Learn more about bearings in mathematics here:

brainly.com/question/10710413

5 0
3 years ago
Can someone please check if this is correct?
Solnce55 [7]

Answer:

Just two corrections!  See attached image.

Step-by-step explanation:

The product of 8 and b taken <u>from</u> 10 means begin with 10 and subtract 8b from it.

8 times the difference of 10 and b means find 10 - b first, <u>then</u> multiply by 8.

7 0
2 years ago
Share 60 in the ratio 5 7
nignag [31]
If the ratio is 5:7 then the each part has a value of:

60/(5+7)=5 so from a total of 60

5:7 becomes 5*5:7*5 which is:

25:35
7 0
3 years ago
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