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lbvjy [14]
2 years ago
6

Simplify the expression 6(x+4)+1 and 5+8(3+x) Thanks

Mathematics
2 answers:
STatiana [176]2 years ago
8 0
6(x+4)+1
6x+24+1
6x+25

5+8(3+x)
5+24+8x
29+8x
8x+29
abruzzese [7]2 years ago
4 0
6(x + 4)+1

To simplify this, first, you want to get rid of the parenthesis.
To do that, use the distributive property, and distribute the 6 to everything inside the parenthesis, by multiplying it to everything inside the parenthesis.

So:

6(x + 4) + 1 -> 6 * x + 6 * 4 + 1

Then just multiply.

6x + 24 + 1

Then simplify.

6x + 25

5 + 8 (3 + x)

Again, do the same thing, and use the distributive property to distribute 8 to 3 and x.

5 + 8 * 3 + 8 * x

5 + 24 + 8x

29 + 8x
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3 1/2 divided by 2 3/5
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Step-by-step explanation:

31/2×5/23 (use reciprocal)

31×5=155

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155/46

3 and 17/46

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2 years ago
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schepotkina [342]

Answer:

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3 years ago
Nine scores have an average of 8. Scores x and x+1 are added, and these increase the average to 9. Find x
Degger [83]

Answer:

x must be 13

Step-by-step explanation:

Represent the nine scores by a, b, c, d, e, f, g, h, i.

Write the following equation to indicate that the average of these nine scores is 8:

a+b+c+d+e+f+g+h+i

----------------------------- = 8, or <em>a+b+c+d+e+f+g+h+i = 72</em> if we multiply both

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Next, we add scores x and x+ 1 to

a+b+c+d+e+f+g+h+i  +  x + x + 1

and divide the result by 11, as there are now 11 scores instead of just 9:

a+b+c+d+e+f+g+h+i  +  x + x + 1

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

                        11

Earlier, we saw that a+b+c+d+e+f+g+h+i = 72.  We can now replace

a+b+c+d+e+f+g+h+i in the above fraction by 72:

 72 + 2x + 1

------------------- = 9 (as the new average is 9)

         11

Multiplying both sides of this equation by 11 results in:

73 + 2x = 99, or  2x = 26.

Then x must be 13, and x + 1 must be 14.

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3 years ago
718.012 in expanded form and written form
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Please can someone help me ill mark brainliest
kramer
#5 is 4, #6 is graph A, and #7 is graph B. I hope this helped, Please mark as brainliest because I am 3 more away from the next level.
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