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borishaifa [10]
3 years ago
5

Help Please.. Write out mixed decimals using words.

Mathematics
1 answer:
Tatiana [17]3 years ago
6 0
Twenty point twelve
ten point fourhundred and two
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What is (2x + 1)(3x + 7) simplified
motikmotik

Answer:

6x^2+14x+3x+7=6x^2+17x+7

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2 years ago
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Suppose x and y vary together such that y = 2 x + 11 . Suppose x varies from x = 2 to x = 8.5 .
Stells [14]

Answer:

a) x changes by 6.5 units

b) y changes by 13 units

Step-by-step explanation:

a. Over this interval, how much does x change by?

Initially, we have that x = 2.

In the end, we have that x = 8.5.

So x changes by 8.5-2 = 6.5 units

b. Over this interval, how much does y change by?

Initially, when x = 2, we have that y = 2x + 11 = 2*2 + 11 = 15

In the end, when x = 8.5, we have that y = 2*8.5 + 11 = 28

So y changes by 28 - 15 = 13 units

8 0
3 years ago
Can someone help me find x of this triangle
uysha [10]

Answer:

x = 9

Step-by-step explanation:

Sum of a triangle is 180°.

6x + 1 + 6x - 14 + 9x + 4 = 180°

Arrange the like terms together and simply this equation.

6x + 6x + 9x + 1 + 4 - 14 = 180°

21x - 9 = 180°

Shifting '-9' to the other side of the equation gives you '+9'

21x = 180° + 9

21x = 189

Shifting 21 to the other side of the equation (to get x) makes it  ÷21 (multiply)

x = 189 ÷ 21

x = 9

3 0
3 years ago
What is the slope of a line that is perpendicular to a line whose slope is -1/3.
solniwko [45]

Answer:

3

Step-by-step explanation:

the perpendicular slope is the negative reciprocal.

-1 divided by -1/3 = 3

6 0
3 years ago
Jefferson works part-time and earns $1,520 in four weeks how much does he earn each week​
EleoNora [17]

Answer: $380 per week

Step-by-step explanation:

Assuming that Jefferson works the same amount each week, you need to divide the total that he earns by four weeks in order to determine how much he made each week.

$1,520 divided by 4 equals $380 per week.

5 0
3 years ago
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