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charle [14.2K]
3 years ago
9

Which expression correctly represents “ten times the difference of a number and six”?

Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Answer: 10(x-6)

Step-by-step explanation:

Vaselesa [24]3 years ago
7 0

Answer:

10(n-6)

Step-by-step explanation:

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The are of a shaded region is 118 ft squared. Which equation can be- used to find the value of X, in feet?
Triss [41]

Answer:

x^2+ 18x -130=0

Step-by-step explanation:

Given

See attachment for diagram

Required

The equation to find x

First, calculate the area of the big rectangle using:

Area = Length * Width

So:

A_1 = (x + 6) * (3x - 2)

The smaller rectangle

A_2 = (x - 1) * (2x)

The difference between this areas give the area of the shaded region.

So:

A_1 - A_1 = 118

(x+6)*(3x-2) - (x-1)*2x = 118

Open brackets

3x^2 - 2x + 18x -12 -2x^2 +2x = 118

Collect like terms

3x^2 -2x^2- 2x +2x+ 18x -12   - 118=0

x^2+ 18x -130=0

<em>The above equation can be used to solve for x</em>

4 0
3 years ago
Henry drives at a speed of 80 miles per hour. <br> How long will it take to drive 400 miles?
mart [117]

Answer:

5hrs

Step-by-step explanation:

...................

4 0
2 years ago
Write a expression that can be used to multiply 6x198
nydimaria [60]

In this problem, we are asked to give an expression that can be used to mentally multiply 6 and 198. In order not to go through the rigorous multiplication, we can estimate 198 to 200, that is 6 *200 equal to 1200. Since there is a 2*6 excess or 12 then we subtract: 1200 -12 equal to 1188.

8 0
3 years ago
which order pair is a solution of the equation? y-4=7(x-6) A. only (5,4) B. only (6,5) C. both (5,4) and (6,5) D. neither​
Svet_ta [14]

Answer:

option D. Neither

Step-by-step explanation:

y-4=7(x-6)

using (5,4):

4-4=7(5-6)

0=7(-1)

0=-7

using (6,5):

5-4=7(6-6)

1=7(0)

1=0

so option D is the answer

6 0
3 years ago
What place value would you use to compare the numbers 14,321 and 11,941?
inna [77]
The place value that would compare the numbers is the ten thousands.


3 0
3 years ago
Read 2 more answers
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