Total: 90

Enoch was not, because God translated him
Gen 5.24 quoted in Heb 11.5
To thy seed
Gn 12.7 quoted in Ga 3.16

Jacob ... worshipped, leaning on the top of his staff
Gen 47.31 quoted in Heb 11.21

Wouldest thou kill me, as thou killest the Egyptian yesterday?
Ex 2.14 quoted in Ac 7.27-28

My name might be published abroad in all the earth
Ex 9.16 quoted in Ro 9.17

A royal priesthood
Ex 19.6 quoted in 1 Pe 2.9

The Lord knoweth them that are his
Nu 16.5 quoted in 2 Tm 2.19

Thou shalt worship the Lord thy God
Dt 6.13 quoted in Mt 4.10 and Lk 4.8

Put away the wicked man from among yourselves
Dt 17.7 quoted in 1 Cor 5.13

Cursed is every one that hangeth on a tree
Dt 21.23 quoted in Ga 3.13

Cursed is everyone who continueth not
Dt 27.26 quoted in Ga 3.10

Let all the angels of God worship him
Dt 32.43 quoted in He 1.6

Why did the Gentiles rage?
Ps 2.1-2 quoted in Ac 4.25-26

Their throat is an open sepulchre
Ps 5.9 quoted in Ro 3.13

Out of the mouth of babes
Ps 8.2 quoted in Mt 21.16

What is man, that thou art mindful of him?
Ps 8.4-6 quoted in He 2.6-8

Whose mouth is full of cursing and bitterness
Ps 10.7 quoted in Ro 3.14

They are together become unprofitable
Ps 14.1-3 quoted in Ro 3.10-12

Thou wilt not leave my soul unto Hades
Ps 16.8-11 quoted in Ac 2.25-28

Their sound went out into all the earth
Ps 19.4 quoted in Ro 10.18

I will declare thy name unto my brethren
Ps 22.22 quoted in He 2.12

Sacrifice and offering thou wouldest not
Ps 40.6-8 quoted in He 10.5-6

That thou mightest be justified in thy words
Ps 51.4 quoted in Ro 3.4

They are together become unprofitable
Ps 53.1-3 quoted in Ro 3.10-12

Let their table be made a snare
Ps 69.22-23 quoted in Ro 11.9-10

He gave them bread out of heaven to eat
Ps 78.24 quoted in Jn 6.31

Today, if ye shall hear his voice
Ps 95.7-8 quoted in He 3.15 and He 4.7

Today, if ye shall hear his voice
Ps 95.7-11 quoted in He 3.7-11

And they all shall wax old as doth a garment
Ps 102.25-27 quoted in He 1.10-12

I believed, and therefore did I speak
Ps 116.10 quoted in 2 Cor 4.13

The Lord is my helper
Ps 118.6 quoted in He 13.6

The poison of asps in under their lips
Ps 140.3 quoted in Ro 3.13

For whom the Lord loveth he chasteneth
Pr 3.11-12 quoted in He 12.5-6

God resisteth the proud, but giveth grace to the humble
Pr  3.34 quoted in James 4.6 and 1 Pe 5.5

And if the righteous is scarcely saved,
where shall the ungodly and sinner appear
Pr 11.31 quoted in 1 Pe 4.18

If thine enemy hunger, feed him
Pr 25.21-22 quoted in Ro 12.20

Except the Lord of Sabaoth had left us a seed,
we should have been as Sodom
Is 1.9 quoted in Ro 9.29

By hearing ye shall hear, and in no wise understand
Is 6.9-10 quoted in Mt 13.14-15 and Mk 4.12

By hearing ye shall hear, and in no wise understand
Is 6.9-10 quoted in Ac 28.26-27

Lest they should see with their eyes ... and I should heal them
Is 6.9-10 quoted in John 12.40

Behold, the virgin shall be with child
Is 7.14 quoted in Mt. 1.23

I will put my trust in him
Is 8.17 quoted in He 2.13

It is the remnant that shall be saved
Is 10.22-23 quoted in Ro 9.27-28

On him shall the Gentiles hope
Is 11.10 quoted in Ro 15.12

When I shall take away their sins
Is 27.9 quoted in Ro 11.27

He that believeth on him shall not be put to shame
Is 28.16 quoted in Ro 9.33, 10.11 and 1 Pe 2.6

Teaching as their doctrines the precepts of men
Is 29.13 quoted in Mt 15.8-9 and Mk 7.6-7

I will destroy the wisdom of the wise
Is 29.14 quoted in 1 Cor 1.19

All flesh shall see the salvation of God
Is 40.3-5 quoted in Lk 3.4-6

The voice of one crying in the wilderness
Is 40.3 quoted in Mt 3.3, Mk 1.3 and Jn 1.23

All flesh is as grass
Is 40.6-8 quoted in 1 Pt 1.24-25

Who hath known the mind of the Lord?
Is 40.13 quoted in Ro 11.34 and 1 Cor 2.16

And in his name shall the Gentiles hope
Is 42.4 quoted in Mt 12.21

A people for God's own possession
Is 43.21 quoted in 1 Pe 2.9

To me every knee shall bow
Is 45.23 quoted in Ro 14.11

At an acceptable time I hearkened unto thee
Is 49.8 quoted in 2 Cor 6.2

For the name of God is blasphemed
among the Gentiles because of you
Is 52.5 quoted in Ro 2.24

They shall see, to whom no tidings of him came
Is 52.15 quoted in Ro 15.21

Who has believed our report?
Is 53.1 quoted in Jn 12.38 and Ro 10.16

He was led as a sheep to the slaughter
Is 53.7-8 quoted in Ac 8.32-33

Neither was guile found in his mouth
Is 53.9 quoted in 1 Pt 2.22

Rejoice thou barren that bearest not
Is 54.1 quoted in Ga 4.27

The holy and sure blessings of David
Is 55.3 quoted in Ac 13.34

To set at liberty them that are bruised
Is 58.6 in Luke 4.18

He shall turn away ungodliness from Jacob
Is 59.20-21 quoted in Ro 11.26-27

The Spirit of the Lord is upon me
Is 61.1-2 quoted in Lk 4.18-19

I was found of them that sought me not
Is 65.1 quoted in Ro 10.20

A disobedient and gainsaying people
Is 65.2 quoted in Ro 10.21

Behold, the days come
Jer 31.31-34 quoted in He 8.8-12

I will put my laws on their heart
Jer 31.33-34 quoted in He 10.16-17

I will call that my people, which was not my people
Ho 2.23 quoted in Ro 9.25

I desire mercy, and not sacrifice
Ho 6.6 quoted in Mt 9.13 and 12.7

O death, where is thy sting?
Ho 13.14 quoted in 1 Cor 15.55

I will pour forth of my Spirit upon all flesh
Jl 2.28-32 quoted in Ac 2.17-21

Ye took up the tabernacle of Moloch
Am 5.25-27 quoted in Ac 7.42-43

I will build again the tabernacle of David, which is fallen
Am 9.11-12 quoted in Ac 15.16-17

For I work a work in your days,
which ye shall in no wise believe
Hab 1.5 quoted in Ac 13.41

But my righteous one shall live by faith
Hab 2.3-4 quoted in He 10.37-38

Total: 9

He that taketh the wise in their craftiness
Job 5.13 quoted in 1 Cor 3.19
Who hath first given to him
Job 41.11 quoted in Ro 11.35

A stone of stumbling, and a rock of offence
Is 8.14 quoted in Ro 9.33 and 1 Pe 2.8

Out of Egypt did I call my son
Ho 11.1 quoted in Mt 2.15

They shall look on him whom they pierced
Zch 12.10 quoted in Jn 19.37

Behold, I send my messenger before thy face
Mal 3.1 quoted in Mt 11.10, Mk 1.2, and Lk 7.27

Summmary:

Out of 99 places where the NT quotes the OT where there's a difference between the Masoretic and LXX, the NT authors chose the LXX 90/99 times = 91% of the time