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Minchanka [31]
3 years ago
6

Katy is making a necklace out of 24 purple and red beads she uses a pattern of one purple bead and three red beads how many red

beads will she use in her necklace
Mathematics
2 answers:
nirvana33 [79]3 years ago
7 0
She will use 72 red beads
SVETLANKA909090 [29]3 years ago
4 0
She will use 72 red beads while making her necklace.
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A pole that is 2.6 m tall casts a shadow that is 1.03 m long. At the same time, a nearby tower casts a shadow that is 46.25 m lo
photoshop1234 [79]

Answer:

Therefore the height of the tower is 116.75 m.

Step-by-step explanation:

Given that a pole that is 2.6 m tall casts a shadow that is 1.03 m long.

Here the height of a object directly proportional to the shadow. It means

Height of the object ∝ shadow

Height of the object= k.shadow

[k is the proportional constant.]

\Rightarrow \frac{h}{s} =k    [Height of object is denoted by h and shadow is denoted by s]

Then,

\frac{h_1}{s_1} =k       [h₁ is the height of the pole and s₁is the length of the shadow]

Again for the tower

\frac{h_2}{s_2}=k      [h₂ is the height of the tower and s₂ is the length of the shadow]

Therefore,

\frac{h_1}{s_1}=\frac{h_2}{s_2} =k

\Rightarrow\frac{h_1}{s_1}=\frac{h_2}{s_2}............(1)

Given h_1 = 2.6 m  ,s_1=1.03m  and   s_2=46.25m

Putting the value of h_1,s_1 and s_2  equation (1)

\frac{2.6}{1.03}=\frac{h_2}{46.25}

\Rightarrow h_2 \times1.03= 2.6\times 46.25          [cross multiplication]

\Rightarrow h_2 = \frac{2.6\times 46.25}{1.03}

\Rightarrow h_2= 116.75

Therefore the height of the tower is 116.75 m.

3 0
3 years ago
Look at the photo I need help pleasse
Serjik [45]
It is -5, simply divide the number with the variable.
6 0
4 years ago
PLEASE HELP!! Worth 15 points
nataly862011 [7]

Answer:

x =  \frac{a}{y}

explanation:

A = xy

divide y on both sides.

A/y = xy/y

x = A/y

5 0
3 years ago
Why does -2^6 equal -64 but -2 x -2 x -2 x -2 x -2 x -2 equal 64?
user100 [1]

Answer:

Step-by-step explanation:

-2⁶ = -(2⁶) = -(64) = -64

(-2)×(-2)×(-2)×(-2)×(-2)×(-2) = (-2)⁶ = (-1⋅2)⁶ = (-1)⁶⋅2⁶ = 1⁶⋅2⁶ = 64

6 0
3 years ago
PLEASE HELP LOTS OF POINTS
Cloud [144]

Answer:

Yes

Step-by-step explanation:

they are on the same plane

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3 years ago
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