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hodyreva [135]
2 years ago
8

I need help with number 5

Mathematics
1 answer:
Lelu [443]2 years ago
4 0
It is D (3,6) and (6,3)
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Triangle ABC is congruent with triangle CDA Find the value of the pronumeral x.
brilliants [131]

Answer:

x = 25

Step-by-step explanation:

Since the triangles are congruent then corresponding angles are congruent.

That is ∠ D and ∠ B are corresponding angles and congruent, thus

4x - 20 = 2x + 30 ( subtract 2x from both sides )

2x - 20 = 30 ( add 20 to both sides )

2x = 50 ( divide both sides by 2 )

x = 25

6 0
3 years ago
What is the slope of your line perpendicular to y=5x-12
krok68 [10]

The slope of your line is the x-coefficient: 5.

The slope of a perpendicular line is the negative reciprocal of that: -1/5.

4 0
3 years ago
Read 2 more answers
Daikwon and Chris are about to record a new CD. They have a choice between two back up bands. One band charges $50 plus $20 for
MrRa [10]

Answer:

The second band

Step-by-step explanation:

50+20=70

20+25=45

5 0
2 years ago
Rhombus ABCD with vertices A(2, 6), B(6, 7),<br> C(5, 3), and D(1, 2): 180°
Korvikt [17]

Answer:

Step-by-step explanation:

Rule for the rotation of a point 180° about the origin is,

(x, y) → (-x, -y)

Therefore, images of the points after the rotation of 180° will be,

A(2, 6) → A'(-2, -6)

B(6, 7) → B'(-6, -7)

C(5, 3) → C'(-5, -3)

D(1, 2) → D'(-1, -2)

Now we can plot these points on the graph as attached.

6 0
3 years ago
A man invests $5000 in an account that pays 8.5% interest per year, compounded quarterly
notka56 [123]
5000(1+.085/4)^n=1000
to find n use log:
1.02125^n 
N X log1.02125
when computed=32.9
round to 33 quarters compounded
33/4
equals to 8 years 3 months

3 0
3 years ago
Read 2 more answers
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