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3 years ago

Evaluate 6+4/a+b/3 when a=4 and b=3

Mathematics

1 answer:

vodka [1.7K]3 years ago

6 0

Answer:

Step-by-step explanation:

First, insert the values into the problem. It would look like this: 6 + 4/4 + 3/3

We can then reduce 4/4 into 1 and 3/3 into 1 as well.

Then, you get:

6+1+1 or 6+2 which is equal to 8

-Cheers, Galaxy

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If the measure of angle BCD=51 degrees, solve for x.

BabaBlast [244]

Answer:

$x=5$

Step-by-step explanation:

step 1

Find the measure of angle EFD

In this problem I will assume that ABCD is a parallelogram

In a parallelogram opposite angles are congruent and consecutive angles are supplementary

$m\ angle BCD=m\angle BED=51^o$

$m\ angle FED=(1/2)m\angle BED=(1/2)51^o=25.5^o$ --- > given problem

Remember that the sum of the interior angles in any triangle must be equal to 180 degrees

In the triangle EFD

$m\ angle FED+m\ angle FDE+m\ angle EFD=180^o$

substitute the given values

$25.5^o+55^o+m\ angle EFD=180^o$

$80.5^o+m\ angle EFD=180^o$

$m\ angle EFD=180^o-80.5^o$

$m\ angle EFD=99.5^o$

step 2

Find the measure of angle EFB

we know that

$m\angle EFB+m\angle EFD=180^o$ ---> by supplementary angles

we have

$m\ angle EFD=99.5^o$

substitute

$m\angle EFB+99.5^o=180^o$

$m\angle EFB=180^o-99.5^o$

$m\angle EFB=80.5^o$

step 3

Find the value of x

Remember that the sum of the interior angles in any triangle must be equal to 180 degrees

In the triangle EBF

$m\ angle BEF+m\ angle EFB+m\ angle EBF=180^o$

we have

$m\angle BEF=m\ angle FED=25.5^o$

$m\angle EFB=80.5^o$

$m\angle EBF=(14x+4)^o$

substitute

$25.5^o+80.5^o+(14x+4)^o=180^o$

solve for x

Combine like terms

$(14x+110)^o=180^o$

$14x=180-110$

$14x=70$

$x=5$

4 0

3 years ago

Is 11/12 less that or greater than 1/2

Kryger [21]

Answer:

11/12 is greater than 1/2.

Step-by-step explanation:

We can make them have a common denominator of 12 to compare:

11/12 = 11/12

1/2 = 6/12.

So from this, we can see that 11/12 > 6/12.

6 0

3 years ago

Read 2 more answers

A car salesperson earns a 18% commission on every car sold. The salesperson sells a car for $37,560. What is the commission?

Hatshy [7]

100% = $37,560

18% = ?

(18 × 37560) ÷ 100

= 676,080 ÷ 100

= $6760.8 commission

3 0

3 years ago

What the difference in temperature is

Alexandra [31]

The answer would be a positive 15.1 or +15.1 because the positive number is greater than the negative which would make your answer positive, thats why you got it wrong :)

6 0

3 years ago

The leader board at the Lakeside Golf Tournament shows that Mei's score is 3

weeeeeb [17]

Part A.) the answer is B:9
Part B.) together their total score is -3

4 0

4 years ago