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3 years ago

Tito reads 80% of his 200 page book. how many pages did tito read

Mathematics

2 answers:

SpyIntel [72]3 years ago

6 0

Answer:

160 pages

Step-by-step explanation:

80/100×200

=160

Kitty [74]3 years ago

4 0

Answer:

160

Step-by-step explanation:

8x2= 16

just add zero

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The vertices of a triangle ABC are A(7, 5), B(4, 2), and C(9, 2). What is measure of angle ABC? 30° 45° 56.31° 78.69°

GenaCL600 [577]

The measure of angle ABC is 45°

Explanation

Vertices of the triangle are: A(7, 5), B(4, 2), and C(9, 2)

According to the diagram below....

Length of the side BC (a) $=\sqrt{(4-9)^2+(2-2)^2}= \sqrt{25}= 5$

Length of the side AC (b) $= \sqrt{(7-9)^2 +(5-2)^2}= \sqrt{4+9}=\sqrt{13}$

Length of the side AB (c) $= \sqrt{(7-4)^2 +(5-2)^2} =\sqrt{9+9}=\sqrt{18}$

We need to find ∠ABC or ∠B . So using Cosine rule, we will get...

$cosB= \frac{a^2+c^2-b^2}{2ac} \\ \\ cos B= \frac{(5)^2+(\sqrt{18})^2-(\sqrt{13})^2}{2*5*\sqrt{18} }\\ \\ cosB= \frac{25+18-13}{10\sqrt{18}} =\frac{30}{10\sqrt{18}}=\frac{3}{\sqrt{18}}\\ \\ cosB=\frac{3}{3\sqrt{2}} =\frac{1}{\sqrt{2}}\\ \\ B= cos^-^1(\frac{1}{\sqrt{2}})= 45 degree$

So, the measure of angle ABC is 45°

7 0

3 years ago

Read 2 more answers

23.45+ 435.1 =??? plz help me

Alona [7]

Answer:

458.55!!!

Please? : Brainliest? :D

4 0

3 years ago

Read 2 more answers

2. True or false: In an exponential expression, you multiply the base by the exponent.

zysi [14]

Answer:

true

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

Please help thank you :) brainliest?

dybincka [34]

Answer:

VXY = 38 degrees

YXW = 19 degrees

Step-by-step explanation:

The line XY is a angle bisector, meaning it divides the angle in half. YXW is the angle between the XY and XW lines. Which we know is 19 degrees.

Since we know the XY line divides the angle in half, we know VXW is also 19 degrees.

Therefore, VXW would be the sum of VXY and YXW: 19 + 19 = 38.

5 0

2 years ago

For circle Q, (DC) ̅ and (GC) ̅ are tangent line segments. Use the given information to solve for

luda_lava [24]

Arc DB = 2 ( angle DAB ) = 2 (35) = 70 degrees
Arc DG = 2 (Arc DB) = 2 (150) =150 degrees

Arc DAG = 360 - Arc DG = 360 - 150 = 210 degrees

Angle DCG = (210 - 150) /2 = 30 degrees
Angle DCB = 30/2 = 15 degrees

6 0

3 years ago