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mr Goodwill [35]
4 years ago
13

Can someone help me with this please :)

Mathematics
2 answers:
nekit [7.7K]4 years ago
3 0
It 90 because u mult 10 x9
TEA [102]4 years ago
3 0

Answer:

47.25

Step-by-step explanation:

9 times 10.5=94.5/2=47.25

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Find three consecutive even integers whose sum is 252
Naily [24]
82, 84, and 86 are your three consecutive even integers.
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3 years ago
A triangle with vertices at A(20, –30), B(10, –15), and C(5, –20) has been dilated with a center of dilation at the origin. The
Kobotan [32]

Answer:

One-fifth

Step-by-step explanation:

step 1

Find the distance between the origin and the point B

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

O (0,0) and B(10, –15)

substitute

d=\sqrt{(-15-0)^{2}+(10-0)^{2}}

d=\sqrt{325}\ units

step 2

Find the distance between the origin and the point B'

the formula to calculate the distance between two points is equal to

d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}

we have

O (0,0) and B'(2,-3)

substitute

d=\sqrt{(-3-0)^{2}+(2-0)^{2}}

d=\sqrt{13}\ units

step 3

Find the scale factor of the dilation

The scale factor is equal to divide the length of segment OB' by the length of segment OB

so

\frac{\sqrt{13}}{\sqrt{325}}=\frac{1}{5}

so

One-fifth

4 0
3 years ago
Read 2 more answers
Find the area of the outlined sector
koban [17]
Please attach a picture or the question itself
5 0
4 years ago
Which number line correctly shows 1.5 + 2.5?
GrogVix [38]

Answer:

We conclude that the first line number represents 1.5 + 2.5.

Step-by-step explanation:

Given the expression

1.5 + 2.5

It means the first segment must represent 1.5 units starting from 0.

Since we have to add 2.5 to 1.5, so the next segment must represent 2.5 units, starting from 1.5

Combining them would make

1.5 + 2.5=4

Now, if we observe the first number line,

  • The first arrow represents the 1.5 units starting from 0.
  • The second arrow represents the 2.5 units starting from 1.5.
  • The combined units of both arrows represent the length of 4 units. i.e. 1.5 + 2.5 = 4

Thus, we conclude that the first line number represents 1.5 + 2.5.

The correct line number is also attached below.

4 0
3 years ago
Has grades of 71 and 87 on her first two algebra tests. if she wants an average of at least 75, what possible scores can she mak
Vikki [24]
On her third test she should get 67 marks
so therefore 71 + 87 + 67 = 225
225 divide by 3 (as three tests) = 75

6 0
3 years ago
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