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rjkz [21]
2 years ago
9

Can somebody help I don’t understand this question.

Mathematics
1 answer:
lions [1.4K]2 years ago
5 0

Answer

# of pennies :7

#of nickels :6

#of quarters:20

Step-by-step explanation:

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Which pair of ratios is proportional?
sergey [27]
The answer is = d due to the proportional
8 0
2 years ago
Ms. Placencio weighed 153 pounds in 2018. She now weighs 132 pounds. What is the percent change round to the nearest tenths plac
Lera25 [3.4K]

Answer:17.7%

Step-by-step explanation:

132      x

____=_____

153      100

132(100)=153(x)

13200=153x

__________

153        153

x=82.3

100-82.3=17.7

4 0
2 years ago
M is the midpoint of AB. Find the coordinates of B given A(3,8) and M(5,4).
Harlamova29_29 [7]

Answer: B(7,0)

Step-by-step explanation:

Since coordinate of A(3,8) and M(5,4), where M is the midpoint of AB.

Let the coordinate of B be (x,y)

Therefore, the distance AM is equal to distance MB.

Distance = sqrt{ (5 - 3)² + (4-8)² } =sqrt { (x-5)² + (y-4)²}

Comparing corresponding coordinates,

5-3 = x-5

x= 5+5-3 = 7

4-8 = y-4

y= 4-8+4= 0

Therefore, the coordinate of B is (7,0)

3 0
3 years ago
What is the domain of f?
larisa86 [58]

Answer:

\huge \boxed{\mathrm{A}}

Step-by-step explanation:

The domain of a function is all possible values for the value of x.

The denominator in a rational function cannot equal to 0.

x+2\neq 0

Subtracting 2 from both sides.

x\neq -2

The domain of the function is all real numbers except -2.

7 0
3 years ago
Angle K and angle L are complementary angles. If angle k = (3x + 3)" and angle k= (10x - 4)". find the
soldier1979 [14.2K]

Answer:

3X+3+10X-4=90

13X-1=90

13X=91

X=91/13=7

<K=10X7-4

70-4

<K=66(SUM OF COMPLEMENTARY ANGLE =90)

<K=24

5 0
2 years ago
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