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Ilya [14]
2 years ago
13

6. Seven-tenth of a number is 28. What is the number? *

Mathematics
2 answers:
dem82 [27]2 years ago
5 0

Answer:

40

Step-by-step explanation:

7/10x = 28

28/0.7 = x

40 = x

My name is Ann [436]2 years ago
3 0

Answer:

40

Step-by-step explanation:

28 divided by 7= 4 (to get the number of 1/10)

4 x 10= 40

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ehidna [41]

Answer:

The scale factors that make figure smaller are the option D. -0.5 and the option E. 0.25

Step-by-step explanation:

we know that

If the absolute value of the scale factor is greater than 1, then the image will be larger than the pre-image.

If the absolute value of the scale factor is less than 1, then the image will be smaller than the pre-image.

If the absolute value of the scale factor is equal to 1, then the image will be the same size than the pre-image.

Additionally, a negative scale factor causes the dilation to rotate 180 degrees

therefore

In this problem

The scale factors that make figure smaller are the option D. -0.5 and the option E 0.25

6 0
3 years ago
Put these in order starting with the smallest:
AleksandrR [38]

Answer:

1 to the power of 8= 8

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Step-by-step explanation:

2 to the power of 4 =16

3 to the power of 3 =27

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Please help me ... Tim has developed a money saving strategy that use the formula S=450+100r give a possible interpretation of T
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Im not completely sure, because I have to know what S and R mean; however, the equation is basically saying that the amount of money saved= is 450$ and every time he does “R”, he saves another 100$
7 0
3 years ago
Romeo used a mirror to determine the height of Juliet’s window. He stood 0.5m from the mirror and the mirror is
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2 years ago
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lana66690 [7]

Answer:

  5x^2 +10x

Step-by-step explanation:

The area is the product of the height and width. For this exercise, it is convenient to compute the rectangle areas individually, then write their sum:

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If you start by writing an expression for the total area, expanding it requires you deal with the unlike terms separately anyway:

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