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eimsori [14]
3 years ago
15

9. Round 45.2374 to the nearest tenth.

Mathematics
1 answer:
Alexxx [7]3 years ago
7 0

Answer:

45.2

Step-by-step explanation:

the tenths is the first number to the right after the decimal

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Use compatible numbers to estimate 104/16<br><br> A. 15<br> B. 5<br> C. 9<br> D. 7
Illusion [34]

Answer:

D

Step-by-step explanation:

104/16=6.5

6.5 rounds up to 7

3 0
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which set does square 7 belong to? integers and irrational numbers irrational and real numbers real and rational numbers rationa
pashok25 [27]

Answer:This number belongs to a set of numbers that mathematicians call rational numbers. Rational numbers are numbers that can be written as a ratio of two integers. ... square root of a number that is not a perfect square, for example , is irrational. ... The set of real numbers is all the numbers that have a location on the number ...

Step-by-step explanation:

8 0
3 years ago
How do I construct angle XYZ with a measure of 2 times the measure of angle ABC
Serjik [45]
I can’t understand why everyone complicates this question. It can be easily solved by similar triangles.


In this png, we have something to make sure.

∠B=∠DAB
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This also means AD=BD
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This is our basic construction of D, which is going to help us.

∠ADC=∠DAB+∠B=2∠B=∠CAB
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∠CAD=∠CAB−∠DAB=∠B
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These are based on the fact that ∠A=2×∠B
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Actually these conditions suffice. Because I am just proving that △ACD∼△BCA
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∼
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Similarity makes us realize the following:

ACBC=ADAB
A
C
B
C
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D
A
B

and

ACBC=CDAC
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C
B
C
=
C
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So

AC×AB=BC×AD
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C
×
A
B
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B
C
×
A
D

and

AC2=BC×CD
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So

BC2=BC×(BD+CD)=BC×(AD+CD)
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(
B
D
+
C
D
)
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C
×
(
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=AC×AB+AC2
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Q.E.D.
2.4k Views ·
6 0
3 years ago
List the sides of ΔRST in in ascending order (shortest to longest) if m∠R = 2x+47°, m∠S = x+38°, and m∠T = 4x−52°
Irina18 [472]

Answer:

ST, RS, TR

Step-by-step explanation:

(i entered it and it was right)

3 0
3 years ago
Read 2 more answers
On a coordinate plane, quadrilateral Q R S T has points (0, 2), (negative 4, 0), (0, negative 3), and (4, 0).
Afina-wow [57]

By applying the definitions of <em>rigid</em> transformation ((x, y) → (0.5 · x, 0.5 · y)) and dilation, we conclude that the coordinates of Q'(x, y) are (0.1).

<h3>How to apply rigid transformations on a point</h3>

Herein we must apply a rigid transformation into a given point to determine an image. <em>Rigid</em> transformations are transformations applied on a <em>geometric</em> locus such that <em>Euclidean</em> distance is conserved. Dilations are a kind of <em>rigid</em> transformations such that:

(x, y) → (k · x, k · y), for k > 0

If we know that Q(x, y) = (0, 2) and k = 0.5, then the coordinates of Q' are:

Q'(x, y) = (0.5 · 0, 0.5 · 2)

Q'(x, y) = (0, 1)

By applying the definitions of <em>rigid</em> transformation ((x, y) → (0.5 · x, 0.5 · y)) and dilation, we conclude that the coordinates of Q'(x, y) are (0.1).

To learn more on dilations: brainly.com/question/13176891

#SPJ1

8 0
2 years ago
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