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Digiron [165]
3 years ago
13

I need help i dont understand at all kl

Mathematics
1 answer:
Sloan [31]3 years ago
6 0

Answer:

y=1/4(x-2)²-5

Step-by-step explanation:

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Determine the measure of the angle labeled (4x+7)°.
Murrr4er [49]

Answer:

32

Step-by-step explanation:

First, combine like terms

4x+7=6x-9

     +9     +9

4x+16=-9

     -16   -16

Then divide by four to isolate x

4x=-25

x=-6.25

Plug in X to get the angle measure .

3 0
2 years ago
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vova2212 [387]

Answer:

-20b-35

Step-by-step explanation:

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2 years ago
What type of triangle is formed by joining the points D(7, 3), E(8, 1), and
KiRa [710]

D(7, 3), E(8, 1), and  F(4, -1)

We calculate the squared distances between the points:

DE^2 = 1^2 + 2^2 = 5

EF^2=4^2+2^2=20

DF^2=3^2+4^2=25

Since DF^2=DE^2+EF^2 we have a right triangle with hypotenuse DF.

7 0
3 years ago
The sum of two consecutive integers is 91. Find the integers.
Reil [10]

Answer:

Let the smaller integer be x and greater integer be (x+1)

x+(x+1)=91

2x+1=91

2x=91-1=90

x=90/2

x=45

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According to the Bohr model, the radius of a hydrogen atom is approximately 5.29 × 10-11 meters.
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Simplify the expression:
41.9
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