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ohaa [14]
3 years ago
6

Read the caption! And pls help me :))

Mathematics
1 answer:
alukav5142 [94]3 years ago
8 0

Answer:

ASA

Step-by-step explanation:

If 2 angles and the included side of one triangle are congruent to 2 angles and the included side of the other triangle, then the triangles are congruent.

The included side is the side between the vertices of the 2 triangles.

Here

∠ S = ∠ W ( 1 angle )

∠ R = ∠ X ( 2 angles )

RS = XW ( side between the 2 angles )

Thus the 2 triangles are congruent by the ASA postulate

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One month ruby worked six hours more than Isaac and svetlana worked four times as much hours as ruby together they worked 126 ho
natulia [17]
R=I+6   S=4R   I    

I+(I+6)+4(I+6)=126

Basic algebra (I dont know how to show it) leaves you with: 6I = 90, divide both sides by 6 and I=15
4 0
3 years ago
Which two techniques are used in constructions with paper folding?
yawa3891 [41]

Hi !

<em></em>

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<em>Which two techniques are used in constructions with paper folding?</em>

A. Drawing arcs

C. Folding the tracing paper

7 0
3 years ago
Read 2 more answers
What is the rate of change from x = -7 to x = -13?
AlexFokin [52]

Answer: slope: undefined

y intercept: no y intercept

Step-by-step explanation:

8 0
3 years ago
The formula for the surface area of a cylinder is 2pi r(r+h) where rrr is the radius of the cylinder's base and h is its height.
kodGreya [7K]

Answer:

<h2>4200πcm²</h2>

Step-by-step explanation:

Given the formula for the surface area of a cylinder as S = 2πr(r+h) where r is the radius of the cylinder's base and h is its height.

Given parameters

base radius of the cylindrical pole = 10 cm

Height of the cylindrical pole = 2 m

Since 100 cm = 1 m, then 2 m = 200 cm

Height of the cylindrical pole (in cm) = 200 cm

Required

Surface area of the pole (in cm²)

Using the formula for finding the surface area of a cylinder as shown above;

S = 2\pi r(r+h)\\\\S = 2\pi (10)(10+200)\\\\S = 2\pi 10(210)\\\\S = 2\pi * 2100\\\\S = 4200\pi cm^2

Hence the  surface area of the pole in square centimetres is 4200πcm²

7 0
3 years ago
Divya spends all of her free time playing with her building blocks. She owns building block sets with 333 pieces, 555 pieces, an
DiKsa [7]

Answer:

  5 sets

Step-by-step explanation:

The average number of pieces per set is the ratio of the total number of pieces to the total number of sets.

Let x represent the number of 3-piece sets. Then the total number of pieces is ...

  3x +5(5) +10(2) = 3x +45

The total number of sets is ...

  x +5 +2 = x +7

We want the ratio of these numbers to be 5 pieces per set:

  (3x +45)/(x +7) = 5

  3x +45 = 5x +35 . . . . . multiply by (x+7)

  10 = 2x . . . . . . . . . . subtract (3x+35)

  5 = x . . . . . . . . . divide by 2

Divya owns 5 sets with 3 pieces.

_____

<em>Alternate solution</em>

Each 10-piece set has 5 more pieces than average, so the two of them total 10 more pieces than average.

Each 3-piece set has 2 fewer pieces than average. The total number of 3-piece sets must have a total of 10 fewer pieces than average in order to balance the excess of the 10-piece sets. That is, there must be 10/2 = 5 of the 3-piece sets to have a total lof 10 fewer pieces than average.

Altogether, the differences from average must total zero.

5 0
2 years ago
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