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oee [108]
3 years ago
12

Evaluate the expression when b=3 and c=-6 4b-c

Mathematics
1 answer:
sveta [45]3 years ago
6 0

Answer:

18

Step-by-step explanation:

4(3) -(-6)

4 times 3 is 12. When you subtract a negative number the negative number gets added so it would be 12 + 6 which is 18. Hope that helps :)

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What is the answer to the fraction 6 5/8-4 2/9
choli [55]
Well, first I split it up into two different equations:
6-4=2
5/8-2/9=.4027
Then, added the two: 2.4027
8 0
3 years ago
Read 2 more answers
Find f(2) if f(x) = 2^x +3
alexira [117]

Answer:

f(2)=7

Step-by-step explanation:

Plug it in

f(x)=2^x+3

f(2)=2^2+3

f(2)=4+3

f(2)=7

If this helps please mark as brainliest

8 0
3 years ago
Read 2 more answers
Solve each problem by forming a pair of simultaneous equations:
Diano4ka-milaya [45]

Answer:

5.5, 9.5

Step-by-step explanation:

Let x and y be the numbers

x+y = 15

x-y = 4

Add the two equations together to eliminate y

x+y = 15

x-y = 4

------------------

2x = 19

Divide by 2

2x/2 =19/2

x = 9.5

Now find y

x+y = 15

9.5+y = 15

Subtract 9.5

x = 15-9.5

x =5.5

7 0
3 years ago
Read 2 more answers
three line segments have measures of 4 units, 6 units, and 8 units. Will the segments form a triangle?
Oliga [24]

Given:

Three line segments have measures of 4 units, 6 units, and 8 units.

To find:

Will the segments form a triangle?

Solution:

We know that three line segments can form a triangle if the sum of two smaller sides is greater than the largest side.

Three line segments have measures of 4 units, 6 units, and 8 units. Here, the measure of the largest sides is 8 units.

The sum of two smaller sides is

4+6=10

4+6>8

Since the sum of two smaller sides is greater than the largest side, therefore the segments will form a triangle.

4 0
3 years ago
10 x y = 122<br> I need to show my work
patriot [66]


You need to divide 122 by 10, then you multiply your answer by 10 and see if you get 122. So 122 divided by 10 = 12.2, then 10 x 12.2= 122.


7 0
4 years ago
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