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2 years ago

I need help! QUICK! i give 15 coins! and brainiest!

Mathematics

2 answers:

Anika [276]2 years ago

3 0

Answer:

number 3 is 264 and the other one is 30

Step-by-step explanation:

Anvisha [2.4K]2 years ago

3 0

The first one is 34cm.

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WILL GIVE BRAINLIEST AND 20 PTS

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Answer:16

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3 years ago

If the radius of the circle is 9, find the area of the shaded region. Round your

zmey [24]

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we dont know the shaded area...

Step-by-step explanation:

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2 years ago

How do you write 7,020,032 in expanded forms.

yulyashka [42]

7,000,000. 20,000. 30. 2

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3 years ago

Write each word phrase as an algebrale

dedylja [7]

66) ten less than a number

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Must click thanks and mark brainliest

8 0

2 years ago

The coordinates of AB are A(-5, -1) and B(-2, -6). If AC : CB = 3 : 7, what are the coordinates of point C?

navik [9.2K]

$\text{Let the coordinates of AB are }A(-5,-1), \text{ and }B(-2, -6)\\
\\
\text{let the coordinate of th point C be (x, y), such that}\\
\\
AC:CB=3:7\\
\\
\text{By the section formula, we know that if P(x,y) lies on a line segment AB}\\
\text{where, }A(x_1,y_1), \ B(x_2,y_2)\text{ and satisfy the ratio, }AP:PB=m:n, \text{ then}$

$P=\left ( \frac{mx_2+nx_1}{m+n}, \ \frac{my_2+ny_1}{m+n} \right ).\\
\\
\text{So using this formula, we get for the given problem}\\
\\
C=\left ( \frac{3(-2)+7(-5)}{3+7}, \ \frac{3(-6)+7(-1)}{3+7} \right )\\
\\
\Rightarrow C=\left ( \frac{-6-35}{10}, \ \frac{-18-7}{10} \right )\\
\\
\Rightarrow C=\left ( \frac{-41}{10}, \ \frac{-25}{10} \right )\\
\\
\Rightarrow C=\left ( -4.1, \ -2.5 \right )$

Coordinates of the point C is: (-4.1, -2.5)

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3 years ago