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Ivan
3 years ago
5

When multiplying 0.9 X 4 you must turn the 4 into a 4.0 and then line up the decimal points

Mathematics
1 answer:
irakobra [83]3 years ago
8 0

3.6 is the answer to the question

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Which equivalent fraction would you have to use in order to add 3/5 to 21/25
garik1379 [7]
15/25 = 3/5 because you multiply the numerator and denominator each by 5, and 5/5 = 1.  (multiplying by 1 = equivalence)
The sum would then be 36/25 or 1 and 11/25.
5 0
3 years ago
5.2 Two concentric circles have radii 7cm and 4cm respectively. PQ, a chord to the larger circle, is 13cm.
kodGreya [7K]

Two figures are known as similar figures if there the corresponding angles are equal and the corresponding sider is in ratio. The length of the smaller chord AB is 4 cm.

<h3>What are Similar Figures?</h3>

Two figures are known as similar figures if there the corresponding angles are equal and the corresponding sider is in ratio. It is denoted by the symbol "~".

The diagram for the given condition can be drawn as shown below. Therefore, the measure of the smaller chord AB can be found as shown below.

The two triangles, ΔOPQ and ΔOAB are similar. Therefore, for similar triangles, we can write,

\dfrac{PQ}{AB} = \dfrac{OQ}{OB}=\dfrac{PO}{AO}

Now, we can write further,

\dfrac{13}{AB} = \dfrac{7}{4}\\

AB = 7.43 cm

Hence, the length of the smaller chord AB is 4 cm.

Learn more about Similar Figures:

brainly.com/question/11315705

#SPJ1

4 0
2 years ago
PLZZ HELP NO TIME! HAVE TO SHOW WORK
Rasek [7]
But I want the value of (x) or (y) to complete the solve
I hope that I help you

6 0
3 years ago
-2 2/3, -5 1/3, -10 2/3, -21 1/3, -41 2/3 Which formula can be used to describe the sequence?
Gelneren [198K]

Each term is double the one before it, so the appropriate choice is ...

... D. f(x+1) = 2f(x)

7 0
3 years ago
Read 2 more answers
Give the equation of the circle centered at the origin and<br> passing through the point (4,0)
zimovet [89]

Answer:

x² + y² = 4²

Step-by-step explanation:

The standard equation of a circle centered at the origin and with radius r is

x² + y² = r²

Note that the point (4, 0) is 4 units horizontally and to the right of the center (0, 0).  Thus, we know immediately that the radius is 4.

Thus the equation of this circle is x² + y² = 4²

4 0
3 years ago
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